Fifth Wheel Catalog - JOST International

Fifth 

Wheel 

Catalog

RevJ 

FEATURE: 

-Locking bar 

engages regardless 

of adjustment 

BENEFIT: 

-Fifth Wheel always 

locks 

FEATURE: 

-Integral 2 nd & 3 rd lock 

BENEFIT: 

-Keeps lock secure 

FEATURE: 

-Easy pull handle 

BENEFIT: 

-Reduce driver injury 

FEATURE: 

-Simple adjustment 

with infinite positions 

BENEFIT: 

-Provides a snug fit to 

kingpin reducing 

impact and wear 

60lbs 

FEATURES 

FEATURE: 

-Safe & Simple with 

only 4 moving parts 

BENEFIT: 

-Reliable Coupling 

FEATURE: 

-High coupling lugs 

BENEFIT: 

-Decrease potential for 

improper coupling 

FEATURE: 

-Non-Metallic cushion ring 

BENEFIT: 

-Cushions kingpin impact 

-Aids lubrication 

-Topplate fully rebuildable 

FEATURE: 

-Locks replaceable on tractor in 

30min or less at 1/2 the cost. 

BENEFIT: 

-Reduced vehicle down time 

-Reduce rebuild cost

RevJ 

TABLE OF CONTENTS 

Pages 

TOPPLATE ASSEMBLIES 1-2 

TOPPLATE PARTS 3-7 

Standard Model JSK 37U 3 

Low Lube Model JSK 37U”W” 4 

Air Release Components 5 

Replacement Model JSK 37H 6 

Replacement Model JSK 37F 7 

TOPPLATE OPTIONS 8 

SLIDING FIFTH WHEEL ASSEMBLIES 9-20 

Outboard Model 9-14 

Inboard Model 15-20 

STATIONARY FIFTH WHEEL ASSEMBLIES 21-29 

Outboard Flat Plate Mount 21-22 

Outboard Plate Mount 23-24 

Inboard Angle Mount 25-26 

Bracket for Angle Mount 27-28 

Stationary Mounting Brackets 

29 

NO-TILT CONVERTIBLE 30 

FIFTH WHEEL ACCESSORIES 31-34 

Replacement Kits 31 

Air Line Kits 32-33 

Air Cylinders 34 

MOUNTING ACCESSORIES 35-39 

Hardware Kits 35 

Sliding Outboard Mounting Angle 36 

Stationary Inboard Mounting Angle 37 

Stationary Outboard Mounting Angle 38 

Corrugated Mounting Plate 39 

SERVICE TOOLS 40

RevJ 

2.5 

3.35 MIN 

5.5 MAX. 

24.6 

Fifth Wheel Product 

Line Prefix 

36.63 

JSK 

12.0 MIN. 

13.5 MAX. 

Locked 

PART NUMBER MASTER 

Topplate 

Style 

37U 

TOPPLATE* 

Standard Lube Surface – S 

With Low Lube Plates – W 

Auto Lube (4 holes) – A 

±.5 

5.0 

Topplate 

Lube Type 

__ 

Example: JSK 37USL 

Topplate 

Release Type 

DIMENSIONAL INFORMATION 

11.6 

19.7 

Page 1 

__ 

L - Left Hand Release 

A - Air Release 

B - Left Hand Retractable Handle 

31.25 

*Pins, bushings & collars not included when ordering 37U topplate only. 

TOPPLATE 

ASSEMBLIES 

Unlocked

RevJ 

Topplate 

Lube Type 

Standard 

With Low 

Lube Plates 

Auto Lube 

(4 holes) 

Topplate 

Lube Type 

Standard 

Auto Lube 

(4 holes) 

TOPPLATES 

JSK 37U 

Topplate Release Type Weight 

Model Number 

Found on page # 

Left Hand Release 240 lbs. JSK 37USL Page 3 

Air Release** 246 lbs. JSK 37USA Page 5 

Left Hand Retractable 242 lbs. JSK 37USB Page 3 

Left Hand Release 242 lbs. JSK 37UWL Page 4 

Air Release** 248 lbs. JSK 37UWA Page 4 & 5 

Left Hand Retractable 244 lbs. JSK 37UWB Page 4 

Left Hand Release 240 lbs. JSK 37UAL Page 3 

Air Release** 246 lbs. JSK 37UAA Page 5 

Left Hand Retractable 242 lbs. JSK 37UAB Page 3 

** Jost International recommends that our manifold assembly kit be installed with the 

Air Release because it contains important safety interlock components (see pg. 33). 

JSK 37H 

FIELD REPLACEMENT FOR HOLLAND TOPPLATES* 


Model Number 


Left Hand Release 240 lbs. JSK 37HSL Page 6 

Air Release** 246 lbs. JSK 37HSA Page 5 & 6 

Left Hand Release 240 lbs. JSK 37HAL Page 6 

Air Release** 246 lbs. JSK 37HAA Page 5 & 6 

* The JSK37H topplate increases fifth wheel height by 3/4”. 

JSK 37F 

FIELD REPLACEMENT TOPPLATE 

Topplate 

Lube Type 


Model Number 


Standard Left Hand Release 240 lbs. JSK 37FSL Page 7 

* The JSK37F topplate increases fifth wheel height by 5/16”. 

Page 2 

TOPPLATE 

ASSEMBLIES

SK 79002-00 1 

See page 5 for air release 

components 

4 

See page 8 for topplate options 

2 

3 

SK 75014-01 

8 

7 

6 5 

10 

11 

12 

SK 75016-00 

RevJ 

SK 75014-03 

(Bushings Only) 

9 

13 

14 

15 

JSK37U 

SK 75013-20 

17 

16 

25 

21 

19 

18 

20 

24 

22 

SK 72953-01 

23 

REBUILD PROCEDURES 

INSTALLATION INSTRUCTIONS 

OPERATION INSTRUCTIONS 

MAINTENANCE PROCEDURES 

TOPPLATE 

ASSEMBLIES 

RIGHT HAND RELEASE 

18R 

26 

13R 

16R 

LEFT HAND 

RETRACTABLE HANDLE 

SK 71005-07 

(spring only) 

Item Description Part No. Item Description Part No. 

1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

13B 

13R 

14 

Cushion ring bolt 

Retainer 

Cushion ring insert 

Lock jaw pivot pin 

Collar 

Bushing 

Bracket pin 

Tab washer 

1/2-13 x 3/4 lg. Hex bolt 

Plate spring 

External tooth lock washer 

Hex bolt 

LH Release handle 

Retractable Handle w/spring 

RH Release handle 

Pivot bolt assembly 

SK 73121-55 

SK 3105-93 

SK 3105-92 

SK 72106-67 

SK 3105-95 

SK 2905-94 

SK 79011-03 

SK 73104-47 

SK 70202-15 

SK 70993-00 

SK 70301-00 

SK 73121-28B 

SK 73105-15 

SK 75016-04 

SK 79009-27 

SK 71513 

15 

16 

16R 

17 

18 

18R 

19 

20 

21 

22 

23 

24 

25 

26 

27 

Locking bar bolt assembly 

LH Lever with bushing 

RH Lever with bushing 

Locking bar 

LH Lock jaw 

RH Lock jaw 

Lock jaw spring 

Eye bolt 

Ring 

Guide piece 

Adjusting screw with hex nut 

Double tension spring 

Lubricating kit 

Rebuild Procedures 

Info Pack 

27 

SK 73221-01 

SK 3105-140 

SK 3105-18 

SK 3205-06 

SK 1489LZ 

SK 1489Z 

SK 847 

SK 2106-69 

SK 2106-70 

SK 73205-07 

SK 3105-151 

SK 3105-20 

SK 3108-02 

LT JSK37-03 

SK 75020-01 

Major Rebuild Kit Minor Rebuild Kit (see pg. 31) 

Complete Topplate 

Includes Items 1-26 above 

Cushion and Lock Jaw 

Includes Items 1-4, 18-21 & 25 above 

Release Type 

Order Number 

Weight 

Order Number 

Weight 

Left Hand 

L.H. Retractable 

SK 75013-00 

SK 75013-09 

33 lbs. 

35 lbs. 

SK 73221-50Z 6 lbs. 

Right Hand SK 75013-01 33 lbs. SK 75013-02 6 lbs. 

Page 3 

13B

RevJ 

SK 75014-01 

SK 75016-00 

JSK37U”W” 

LOW LUBE 






1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

13B 

13R 

14 

SK 79002-00 


components 


SK 75014-03 


9 

8 

7 

6 

10 

5 

11 

12 

28 

4 

13 

2 

3 


Retainer 



Collar 

Bushing 

Bracket pin 

Tab washer 

1/2-13 x 3/4 lg. Hex bolt 

Plate spring 


Hex bolt 


Retractable Handle w/spring 

RH Release handle 


See page 3 for rebuild kits 

1 

14 

15 

SK 73121-55 

SK 3105-93 

SK 3105-92 

SK 72106-67 

SK 3105-95 

SK 2905-94 

SK 79011-03 

SK 73104-47 

SK 70202-15 

SK 70993-00 

SK 70301-00 

SK 73121-28B 

SK 73105-15 

SK 75016-04 

SK 79009-27 

SK 71513 

Page 4 

16 

17 

SK 75013-20 

15 

16 

16R 

17 

18 

18R 

19 

20 

21 

22 

23 

24 

25 

26 

27 

28 

29 

25 

19 

18 

24 

29 

20 

21 

22 

SK 72953-01 



RH Lever with bushing 

Locking bar 

LH Lock jaw 

RH Lock jaw 


Eye bolt 

Ring 

Guide piece 





Info Pack 

Low lube liner plates 

Securing bolt 

Low Lube Plate Replacement Kit 

Includes items 28 & 29 (see pg. 31) 

Order Number 

Weight 

SK 3106-003 6 lbs. 

TOPPLATE 

ASSEMBLIES 

23 

RIGHT HAND RELEASE 

18R 

26 

27 

SK 73221-01 

SK 3105-140 

SK 3105-18 

SK 3205-06 

SK 1489LZ 

SK 1489Z 

SK 847 

SK 2106-69 

SK 2106-70 

SK 73205-07 

SK 3105-151 

SK 3105-20 

SK 3108-02 

LT JSK37-03 

SK 75020-01 

SK 3105-129 

SK 0010060 

13R 

16R 

LEFT HAND 

RETRACTABLE HANDLE 

SK 71005-07 

(spring only) 

13B

9 

8 

SK 75014-01 

Standard JSK37U & 

Low Lube JSK37UW 

SK 75014-03 

JSK37U Bushing Kit 


RevJ 

SK 75014-02 

JSK37H 

9H 8 

7H 

7 

5H 

6 

5 

SK 71005-07 

(spring only) 

10 

11 

4 

12 

3 

1 

2 

24 

AIR RELEASE 

25 

23 

14 

13 

30 

16 

15 

18 

17 

22 

TOPPLATE 

ASSEMBLIES 

29 28 

21 

27 

20 or 20w 

19 

26W Low Lube only 

JSK37UW 

SK 72953-01 




32 Standard JSK37U 

32w Low Lube JSK37UW 

32H JSK37H 


1 

2 

3 

4 

5 

5H 

6 

7 

7H 

8 

9 

9H 

10 

11 

12 

13 

14 

15 

16 


Retainer 



Collar (JSK37U) 

Collar (JSK37H) 

Rubber Bushing 

Bracket pin (JSK37U) 

Bracket Pin (JSK37H) 

Tab washer 

1/2-13 x 3/4 lg. Hex bolt (JSK37U) 

3/8-16 x 3/4 lg. Hex bolt (JSK37H) 

Retractable handle w/spring 



LH Lever w/chamfer 

Locking bar 

LH Lock jaw 


SK-73121-55 

SK-3105-93 

SK-3105-92 

SK-72106-67 

SK-3105-95 

SK-73105-95 

SK-2905-94 

SK-79011-03 

SK-73104-05 

SK-73104-47 

SK-70202-15 

SK-73121-28B 

SK-75016-04 

SK-71513 

SK-73221-01 

SK-3105-140 

SK-3205-06 

SK-1489LZ 

SK-847 

17 

18 

19 

20 

20w 

21 

22 

23 

24 

25 

26w 

27 

28 

29 

30 

32 

32w 

32H 

Eye bolt 

Ring 

Air cylinder (see pg. 34) 

3/8-16 x 1/2 lg. Low hd scr. (37H&37U) 

3/8-16 x 3/4 lg. Low hd scr. (Low Lube) 

3/8 dia. Clevis pin (long) 

Cylinder mount 

3/8 dia. Clevis pin (short) 

Cylinder clevis 

Flat washer 

Cylinder mount spacer (Low Lube only) 

Guide piece 




Info pack (standard JSK37U) 

Info pack (standard JSK37UW) 

Info pack (standard JSK37H) 


Complete Topplate 


Topplate 

Order Number 

Weight 

37U SK 75013-16 33 lbs. 

37H SK 75013-18 35 lbs. 

37UW SK 75013-19 33 lbs. 

Page 5 



Order Number 

SK-2106-69 

SK-2106-70 

SK-79020-04 

SK-70209-00 

SK-73121-55 

SK-70105-00 

SK-79020-05 

SK-70105-01 

SK-79020-06 

SK-70302-01 

SK-79020-11 

SK-73205-07 

SK-3105-151 

SK-3105-20 

SK-3108-02 

SK 75020-09 

SK-75020-12 

SK-75020-14 

Weight 

SK 73221-50Z 6 lbs.

RevJ 


components 

SK 75014-02 

8 

JSK37H 

FIELD REPLACEMENT FOR HOLLAND TOPPLATES 






1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

7 

6 

SK 75016-00 

5 

9 

10 

11 

SK 79002-00 



Retainer 



Collar 

Bracket pin 

Tab washer 

Hex bolt 

Plate spring 


Hex bolt 

Release handle 


1 

2 

3 

4 

12 

13 

SK 73121-55 

SK 3105-93 

SK 3105-92 

SK 72106-67 

SK 73105-95 

SK 73104-05 

SK 73104-47 

SK 73121-28B 

SK 70993-00 

SK 70301-00 

SK 73121-28B 

SK 73105-15 

SK 71513 

14 

15 

16 

17 

18 

19 

20 

21 

22 

23 

24 

25 

26 


Lever with bushing 

Locking bar 

Lock jaw 


Eye bolt 

Ring 

Guide piece 





Info Pack 


Complete Topplate – L.H. Only 


Cushion and Lock Jaw – L.H. Only 


Order Number 

Weight 

Order Number 

Weight 

SK 73221-52Z 33 lbs. SK 73221-50Z 6 lbs. 

Page 6 

14 

SK 75013-20 

16 

15 

24 

26 

25 

20 

18 

17 

19 

23 

21 

TOPPLATE 

ASSEMBLIES 

22 

SK 72953-01 

SK 73221-01 

SK 3105-140 

SK 3205-06 

SK 1489LZ 

SK 847 

SK 2106-69 

SK 2106-70 

SK 73205-07 

SK 3105-151 

SK 3105-20 

SK 3108-02 

LT JSK37-03 

SK 75020-00

RevJ 

SK 75014-07 

JSK37F 

FIELD REPLACEMENT TOPPLATE 






1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

8 

7 

SK 75016-00 

6 

5 

9 

10 

11 

SK 79002-00 


Retainer 



Collar 

Bracket pin 

Tab washer 

1/2-13 x 3/4 lg. Hex bolt 

Release handle plate spring 

Lock washer 

3/8-16 Hex bolt 



1 

2 

3 

4 

12 

13 

SK 73121-55 

SK 3105-93 

SK 3105-92 

SK 72106-67 

SK 79048-02 

SK 79011-12 

SK 73104-47 

SK 70202-15 

SK 70993-00 

SK 70301-00 

SK 73121-28B 

SK 73105-15 

SK 71513 

14 

15 

16 

17 

18 

19 

20 

21 

22 

23 

24 

25 

26 



Locking bar 

LH Lock jaw 


Eye bolt 

Ring 

Guide piece 





Info Pack 


Complete Topplate – L.H. Only 


Cushion and Lock Jaw – L.H. Only 


Order Number 

Weight 

Order Number 

Weight 

SK 75013-14 33 lbs. SK 73221-50Z 6 lbs. 

14 

SK 75013-20 

Page 7 

16 

15 

24 

26 

25 

20 

18 

17 

19 

23 

21 

TOPPLATE 

ASSEMBLIES 

22 

SK 72953-01 

SK 73221-01 

SK 3105-140 

SK 3205-06 

SK 1489LZ 

SK 847 

SK 2106-69 

SK 2106-70 

SK 73205-07 

SK 79010-07 

SK 3105-20 

SK 3108-02 

LT JSK37-03 

SK 75020-15

TOPPLATE 

Release Handle extended to improve accessibility when using fenders. 

Option is available with all mounting configurations. 

Adjustment Screw located under the Topplate to hide from view and avoid 

Kingpin damage when a miscouple occurs. 

Option is available with all mounting configurations. 

Release handle lowered and Adjustment Screw located under the Topplate 

to avoid Kingpin damage when a miscouple occurs. 

Option is only available with stationary mounts above 6” high (see page 29). 

Release handle located in the front of the fifth wheel. 

Option is only available with stationary mounts above 6” high (see page 29). 

RevJ 

Page 8 

Order Number* 

JSK 37001 

JSK 37002 

JSK 37003 

Order Number* 

JSK 37015 

JSK 37020 

JSK 37017 

Extended Handle 

Topplate Style Weight 

Standard 

L.H. Release 

Low Lube 

L.H. Release 

Holland 

Replacement 

Topplate 

Internal Adjustment 

242 lbs. 

244 lbs. 

242 lbs. 


Standard 

L.H. Release 

Standard 

Air Release 

Holland 

Replacement 

Topplate 

240 lbs. 

246 lbs. 

240 lbs. 

Drop Handle & Internal Adjustment 

Order Number* 

JSK 37010 

*Pins, bushings & collars not included when ordering the topplate only. 


Standard 

L.H. Release 

Front Release 

TOPPLATE 

OPTIONS 

240 lbs. 

Order Number* 


JSK 37009 Auto Lube 240 lbs. 

JSK 37012 Standard 246 lbs. 

JSK 37013 Low Lube 242 lbs. 

*Order numbers listed are for topplate assemblies only. To order fifth wheel assemblies add the desired mounting 

configuration number to the end of the topplate assembly (Example: JSK 37001-A7PX24).

RevJ 

CAPACITY: 

50,000 maximum vertical load. 

150,000 maximum drawbar pull. 

FEATURES: 

MADE IN U.S.A. – BY 

OUTBOARD MOUNT 

AIR SLIDER 

Allows adjustment for vehicle combination lengths and tractor axle load distribution. 

Lightweight high strength low alloy construction that allows you to maximize payloads. 

Maintenance free construction allows for maximum equipment utilization. 

Slide travel is adjustable in 2” increments for precise positioning of fifth wheel. 

Release mechanism features an in-line secondary lock, assures positive, safe locking. 

Available in popular heights and slide travels. 

Automatic spring loaded adjustment of locking plungers. 

Composite cylinder and rod for long trouble free life. 

Maintenance-free pivot eliminates routine lubrication requirements. 

Upshock cushion reduces impact and provides torsional relief between tractor and trailer. 

Page 9 

SLIDING FIFTH WHEEL 

ASSEMBLIES 

Slide mechanism locked 

Slide mechanism unlocked

RevJ 


Line Prefix 

JSK 

Topplate 

Style 

37U 




“C” Bolts 

Req’d To Mount 

(See Page 35) 

Topplate 

Lube Type 

__ 


AIR SLIDER 

TOPPLATE SLIDE BRACKET SLIDE PLATE 

Left Hand Release – L 

**Air Release – A 

**Left Hand Retractable Handle – B 

** No-Tilt Convertible option is not available with 

7”, 10” or 11” height Slide Brackets, with the 

Retractable Handle Release or Air release. 

See page 30 for details. 

2.91 

“L” 

“A” Spaces @ 4.0 = “B” 

10° Min. 

(See Page 1) (See Page 13) (See Page 14) 

“T” 

11.6 

Topplate 

Release Type 

__ 

Standard – Leave Blank 

**No-Tilt Convertible – N 

Articulation 

__ 

Slider 

Style 

A 

**6.75” – 7 

7.75” – 8 

8.75” – 9 

**9.75” – 10 

**10.75” – 11 

Example: JSK 37USL-A7PX24 


10.7 

19.7 

5.0 ±.5 

12.0 Min. 

13.5 Max. 

8° 

5° Min. 

Page 10 

Height 

__ 

Pneumatic – P 

Slide 

Release 

P 

Travel 

Options* 

__ 

Slide 

Travel 

__ 

12 – 12” 

16 – 16” 

24 – 24” 

36 – 36” 

48 – 48” 

X – None 

A – Travel minus 8" 

B – Travel minus 10" 

C – Travel minus 12” 

D – Travel minus 14” 

Etc… 

Dim “T” Dim “L” Bolt Pattern 

Travel Length “A” “B” “C” 

12” 40 ¼” 9 36” 20 

16” 44 ¼” 10 40” 22 

24” 52 ¼” 12 48” 26 

36” 64 ¼” 15 60” 32 

48” 76 ¼” 18 72” 38 

Available 

Reduced 

Travel 

Options 

Height = 6.75, 7.75, 8.75, 

9.75 or 10.75 

“T” = Slide Travel “L” = Overall Length = Length of Mounting Angle (See Page 36) 

37.25 

39.25 


ASSEMBLIES 

*Travel options restrict the 

forward travel as described 

above using a removable stop. 

For a fixed weld in stop specify 

“X” and select the desired travel 

length from the chart below. 

Weld in Slide Stops 

Original Travel 

12” 16” 24” 36” 48” 

10 14 22 34 46 

08 - 20 32 44 

06 - 18 30 42 

- - - 28 40 

- - - 26 38 

Example: JSK 37USL-A7PX08 

12” travel slider restricted to 8” of forward travel

RevJ 

Travel Height Weight 

12” 

16” 

24” 

36” 

48” 


AIR SLIDER 

Model Number 

6.75 457 lbs. JSK 37USL-A7PX12 

7.75 462 lbs. JSK 37USL-A8PX12 

8.75 468 lbs. JSK 37USL-A9PX12 

9.75 490 lbs. JSK 37USL-A10PX12 

10.75 501 lbs. JSK 37USL-A11PX12 

6.75 465 lbs. JSK 37USL-A7PX16 

7.75 470 lbs. JSK 37USL-A8PX16 

8.75 476 lbs. JSK 37USL-A9PX16 

9.75 498 lbs JSK 37USL-A10PX16 

10.75 509 lbs. JSK 37USL-A11PX16 

6.75 479 lbs. JSK 37USL-A7PX24 

7.75 484 lbs. JSK 37USL-A8PX24 

8.75 490 lbs. JSK 37USL-A9PX24 

9.75 512 lbs. JSK 37USL-A10PX24 

10.75 523 lbs. JSK 37USL-A11PX24 

6.75 501 lbs. JSK 37USL-A7PX36 

7.75 506 lbs. JSK 37USL-A8PX36 

8.75 512 lbs. JSK 37USL-A9PX36 

9.75 534 lbs. JSK 37USL-A10PX36 

10.75 545 lbs. JSK 37USL-A11PX36 

6.75 523 lbs. JSK 37USL-A7PX48 

7.75 528 lbs. JSK 37USL-A8PX48 

8.75 534 lbs. JSK 37USL-A9PX48 

9.75 556 lbs. JSK 37USL-A10PX48 

10.75 567 lbs. JSK 37USL-A11PX48 

† Model numbers shown have standard topplate, left hand release and air slide. 

Page 11 

† 


ASSEMBLIES 

Low Lube Plates 

Low Lube 

Plates 

Change “S” to “W” 

e.g. JSK 37UWL-A7PX24 

Auto Lube 

Drilled & Tapped 1/8 

NPT (4) Holes 

Change “S” to “A” 

e.g. JSK 37UAL-A7PX24 

Air Release 

Change “L” to “A” 

e.g. JSK 37USA-A7PX24

RevJ 

Air cylinder not included, order 

SK 75015-03 (see pg. 34) 

To Order Slide 

Bracket Assembly Only 


AIR SLIDER 


Plate Assembly Only 

Order Number 

Height 

Order Number 

Travel 

A7P 7” F.W. Height X12 12” Travel 





Page 12 

**Slide Plate 

Assembly 

*Slide Bracket 

Assembly **Slide Plate Assembly is available in standard 

*Slide Bracket Assembly is available in 

fifth wheel heights: 7”, 8”, 9”, 10” or 11”. 

See chart below for order numbers and 

see page 13 for details. 


ASSEMBLIES 

travel lengths: 12”, 16”, 24”, 36”, 48”. 

See chart below for order numbers and see 

page 14 for details.

RevJ 


AIR SLIDER 

Slide Bracket Assembly 


1 

2 

3 

4 

5 

6 

7 

8 

11 

2 

7 

12 

4 

10 

Slide bracket* 

Spring 

Pivot Arm 

Pivot Linkage 

Double Coil Spring 

1/2-13 Lock Nut 

3/8 Dia.x 3/4 Shoulder Screw 

Flanged Bearing 

9 

14 

3 

15 6 

12 

13 

12 

9 

8 

SK 77001-xx 

SK 77293-00 

SK 77289-00 

SK 77290-00 

V2026100 

SK 70402-04 

SK 70201-09 

SK 77292-00 

7 

9 

10 

11 

12 

13 

14 

15 

Page 13 

1* 

5/16-18 Lock Nut 

Cylinder Assembly (see pg 34) 

Plunger 

Flat Washer 

Cotter Pin 

3/8 Dia. Clevis Pin 

Flat Washer 

*Item #1 available in fifth wheel heights: 7”, 8”, 9”, 10” or 11”. Replace XX in part 

number with appropriate height (e.g. SK 77001-08). 

5 

4 

12 

2 


ASSEMBLIES 

11 

SK 70402-01 

SK 75015-03 

SK 77007-01 

SK 70302-05 

SK 70101-01 

SK 70102-00 

SK 70302-02

RevJ 


AIR SLIDER 

Slide Plate Assembly 


1 

1* 

Slider weldment* 

SK 77037-xx 

Page 14 

2 

Rear Stop 

*Item #1 available in travel lengths: 

12”, 16”, 24”, 36” & 48”. Replace XX in part number with 

appropriate length (e.g. SK 77037-12). 


ASSEMBLIES 

2 

SK 77041

RevJ 

CAPACITY: 



FEATURES: 


INBOARD MOUNT 

AIR SLIDER 

Allows adjustment for vehicle combination lengths and tractor axle load distribution. 

Patented integral mounting angle design eliminates additional mounting angle weight. 

Lightweight high strength low alloy construction (up to 120 lbs. lighter than competitive models) that allows 

you to maximize payloads. 

Maintenance free construction allows for maximum equipment utilization. 

Slide travel is adjustable in 2” increments for precise positioning of fifth wheel. 

Fully adjustable for all frame widths. 

Release mechanism features an in-line secondary lock, assures positive, safe locking. 

Available in popular heights and slide travels. 

Automatic spring-loaded adjustment of locking plungers. 

Composite cylinder and rod for long trouble free life. 



Removable/Repositionable slide stops that allow for easy: 

Removal of slide bracket. 

Limitation of slide travel for special applications. 

Page 15 


ASSEMBLIES 

Slide mechanism locked 

Slide mechanism unlocked


Line Prefix 

JSK 

Topplate 

Style 

37U 




2.91 

Topplate 

Lube Type 

__ 

“L” 

10° Min. 

“T” 

11.6 

INBOARD MOUNT 

AIR SLIDER 

TOPPLATE SLIDE BRACKET SLIDE RAIL 


**Air Release – A 

**Left Hand Retractable Handle – B 

** No-Tilt Convertible option is only available with 

9” height Slide Bracket and with the Left Hand 

Release. See page 30 for details. 

RevJ 

Topplate 

Release Type 

__ 

13.06 

Articulation 

19.7 

__ 

Slider 

Style 

Example: JSK 37USL-B7PG24 


“T” = Slide Travel “L” = Overall Length 

Page 16 

B 

**6.75” – 7 

**7.75” – 8 

8.75” – 9 

**9.75” – 10 

5.0 ±.5 

12.0 Min. 

13.5 Max. 

Height 

__ 

Pneumatic – P 

5° Min. 

Dim “T” 

Travel 

Slide 

Release 

8° Height = 6.75, 7.75, 

8.75 or 9.75 

Bolt pattern specified by customer 

“A” Bolts Min. Req’d To Mount 

(See Page 35) 


ASSEMBLIES 

(See Page 1) (See Page 13) (See Page 14) 

Standard – Leave Blank 

**No-Tilt Convertible – N 

P 

Dim “L” 

Length 

Travel 

Options* 

__ 

“A” 

12” 41” 10 

18” 47” 12 

24” 53” 14 

36” 65” 18 

48” 77” 22 

Slide 

Travel 

__ 

C – 33 1/2” 

E – 33 3/4” 

F – 33 7/8” 

G – 34” 

H – 34 1/8” 

J – 34 1/4” 

12 – 12” 

18 – 18” 

24 – 24” 

36 – 36” 

48 – 48”

RevJ 

† 

Travel Height Weight 

12” 

18” 

24” 

36” 

48” 

† Weight includes mounting angles. 

INBOARD MOUNT 

AIR SLIDER 

Model Number 

6.75 473 lbs. JSK 37USL-B7PG12 

7.75 479 lbs. JSK 37USL-B8PG12 

8.75 483 lbs. JSK 37USL-B9PG12 

9.75 489 lbs. JSK 37USL-B10PG12 

6.75 481 lbs. JSK 37USL-B7PG18 

7.75 487 lbs. JSK 37USL-B8PG18 

8.75 491 lbs. JSK 37USL-B9PG18 

9.75 497 lbs. JSK 37USL-B10PG18 

6.75 499 lbs. JSK 37USL-B7PG24 

7.75 505 lbs. JSK 37USL-B8PG24 

8.75 509 lbs. JSK 37USL-B9PG24 

9.75 515 lbs. JSK 37USL-B10PG24 

6.75 524 lbs. JSK 37USL-B7PG36 

7.75 530 lbs. JSK 37USL-B8PG36 

8.75 534 lbs. JSK 37USL-B9PG36 

9.75 540 lbs. JSK 37USL-B10PG36 

6.75 549 lbs. JSK 37USL-B7PG48 

7.75 555 lbs. JSK 37USL-B8PG48 

8.75 559 lbs. JSK 37USL-B9PG48 

9.75 565 lbs. JSK 37USL-B10PG48 

‡ Model numbers shown have standard topplate, left hand release, air slide and 

34” frame width. 

Page 17 

‡ 


ASSEMBLIES 


Low Lube 

Plates 


e.g. JSK 37UWL-B7PG24 

Auto Lube 


NPT (4) Holes 


e.g. JSK 37UAL-B7PG24 

Air Release 


e.g. JSK 37USA-B7PG24 

Frame Width 

C = 33 1/2 

E = 33 3/4 

F = 33 7/8 

G = 34 

H = 34 1/8 

J = 34 1/4 

For other frame widths, change “G” 

to appropriate letter above. 

e.g. JSK 37USL-B7PC24

RevJ 

*Slide Bracket 

Assembly 


SK 75015-03 (see pg. 34) 

*Slide Bracket Assembly is available in 

fifth wheel heights: 7”, 8”, 9” or 10”. 

See chart below for order numbers 

and see page 19 for details. 


Bracket Assembly Only 

INBOARD MOUNT 

AIR SLIDER 


Rail Assembly Only 

Order Number 

Height 

Order Number 

Travel 

B7P 7” F.W. Height SK 75039-12 12” Travel 




SK 75039-48 48” Travel 

Page 18 


ASSEMBLIES 

**Slide Rail 

Assembly 

**Slide Rail Assembly is available in standard 

travel lengths: 12”, 18”, 24”, 36”, 48”. 

See chart below for order numbers and see 

page 20 for details.

RevJ 

8 

9 

INBOARD MOUNT 

AIR SLIDER 

Slide Bracket Assembly 


1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

10 

7 

11 

3 

6 

2 

13 

16 

12 

Slide bracket* 

3/4-10 Jam nut 

3/4-10 Hex head bolt (full thread) 

3/8-16 Lock nut 

Flat washer 

3/8-16 Hex head bolt 

Spring bracket 

Plunger 

Spring 

3/4-16 Jam nut 

Plunger screw 

5 

4 

15 

5 

20 

17 

14 

19 

18 

22 

5 

5 

SK 77240-xx 

SK 70403-05 

SK 70207-01 

SK 70402-00 

SK 70302-05 

SK 70202-05 

SK 77238-00 

SK 77233-01 

SK 77293-00 

SK 70403-01 

SK 77234-00 

Page 19 

12 

13 

14 

15 

16 

17 

18 

19 

20 

21 

22 


Pivot Arm 

3/8 Dia. x 3/4 shoulder screw 

Pivot linkage 

Cylinder Assembly (see pg. 34) 

3/8 Dia. clevis pin 

Cotter pin 


Flat washer 

Flanged bearing 

Double Coil Spring 

*Item #1 available in fifth wheel heights: 7”, 8”, 9” or 10”. Replace XX in part 

number with appropriate height (e.g. SK 77240-08). 

12 

21 

14 

15 

6 

7 

11 

4 

5 


ASSEMBLIES 

10 

*1 

8 

9 

2 

3 

SK 70402-01 

SK 77289-00 

SK 70201-09 

SK 77290-00 

SK 75015-03 

SK 70102-00 

SK 70101-01 

SK 70402-04 

SK 70302-02 

SK 77292-00 

V2026100

RevJ 

5 

2 

3 

INBOARD MOUNT 

AIR SLIDER 

Slide Rail Assembly 


1 

2 

3 

6 

*1 

Slide Rail* (1) side only 

Clamp 

Clamp Plate 

4 

SK 77275-xx 

SK 77220-00 

SK 77222-00 

*Item #1 available in travel lengths: 

12”, 18”, 24”, 36” & 48”. Replace XX in part number with 

appropriate length (e.g. SK 77275-12). 

Page 20 

4 

5 

6 

*1 

Cross Brace 

3/8-16 x 1 3/4 Lg. Hex Bolt 

3/8-16 x 1 1/4 Lg. Hex Bolt 


ASSEMBLIES 

SK 77221-00 

SK 70202-06 

SK 70202-05

RevJ 

CAPACITY: 



FEATURES: 


OUTBOARD FLAT 

PLATE MOUNT 

Heavy-duty brackets constructed of high strength low alloy material combine durability with lightweight. 




Line Prefix 

† 

JSK 

Topplate 

Style 

37U 




PART NUMBER 

TOPPLATE BRACKET 

(See Page 1) 

Topplate 

Lube Type 

__ 


† 

Air Release – A 

Left Hand Retractable Handle – B 

No-Tilt Convertible option is not available with 

the Retractable Handle Release or Air Release. 

See page 30 for details. 

† 

Topplate 

Release Type 

__ 

Example: JSK 37USL-DB6X 

Page 21 

Articulation 

__ 

Bracket 

Style 

DB 

(See Page 29) 

Leave Blank – Standard 

N – No-Tilt Convertible* 

STATIONARY FIFTH WHEEL 

ASSEMBLIES 

Height 

__ 

† 

Frame 

Width 

X 

6 – 5.85” * 

7 – 6.85” * 

8 – 7.85” 

9 – 8.85” 

10 – 9.85” * 

11 – 10.85” * 

* No-Tilt Convertible option is available 

with 8” or 9” height Brackets only.

RevJ 

(10) Holes 

For 5/8 Bolts 

(See Page 35) 

2.91 

40.0 

10° Min. 


18.5 

9.25 

11.6 19.7 

* 

Height Weight 

.31 

4.0 

Typ. 

OUTBOARD FLAT 

PLATE MOUNT 

5.0 ±.5 

12.0 Min. 

13.5 Max. 

Model Number † 

6” 317 lbs. JSK 37USL-DB6X 






* Nominal height shown, for actual height see line drawing above. 

† Model numbers shown have standard topplate and left hand release. 

8° 

5° Min. 

37.25 

Height = 5.85, 6.85, 7.85, 

8.85, 9.85 or 10.85 

Page 22 


ASSEMBLIES 


Low Lube 

Plates 


e.g. JSK 37UWL-DB6X 

Auto Lube 


NPT (4) Holes 


e.g. JSK 37UAL-DB6X 

Air Release 


e.g. JSK 37USA-DB6X

RevJ 

CAPACITY: 



FEATURES: 


OUTBOARD 

PLATE MOUNT 





Line Prefix 

JSK 

Topplate 

Style 

37U 




PART NUMBER 


(See Page 1) (See Page 29) 

Topplate 

Lube Type 

__ 




Topplate 

Release Type 

__ 

Example: JSK 37USL-PM6X 

Page 23 

Bracket 

Style 

PM 


ASSEMBLIES 

Height 

__ 

6 – 5.85” 

7 – 6.85” 

8 – 7.85” 

9 – 8.85” 

Frame 

Width 

X

RevJ 

.65 x 1.75 Slot 

For 5/8 Bolts 

(See Page 35) 

2.91 

39.75 

8.5 

10° Min. 


11.6 

18.0 

Note: For corrugated mounting plate, see page 39. 

9.0 

8.0 

Typ. 

OUTBOARD FLAT 

PLATE MOUNT 

5.44 TYP. 

Height * Weight 


6” 300 lbs. JSK 37USL-PM6X 




CENTERLINE 

37.88 MAX. 

35.75 MIN. 



.31 

19.7 

5.0 ±.5 

12.0 Min. 

13.5 Max. 

8° 

Page 24 

5° Min. 

Height = 5.85, 6.85, 

7.85 or 8.85 


ASSEMBLIES 


Low Lube 

Plates 


e.g. JSK 37UWL-PM6X 

Auto Lube 


NPT (4) Holes 


e.g. JSK 37UAL-PM6X 

Air Release 


e.g. JSK 37USA-PM6X

RevJ 

CAPACITY: 



FEATURES: 


INBOARD 

ANGLE MOUNT 





Line Prefix 

JSK 

Topplate 

Style 

37U 




PART NUMBER 


(See Page 1) 

Topplate 

Lube Type 

__ 




Topplate 

Release Type 

__ 

Example: JSK 37USL-AM6G 

Page 25 

Bracket 

Style 

AM 


ASSEMBLIES 

(See Page 29) 

Height 

__ 

6 – 5.91” 

7 – 6.91” 

8 – 7.91” 

9 – 8.91” 

Frame 

Width 

__ 

C – 33 1/2” 

E – 33 3/4” 

F – 33 7/8” 

G – 34” 

H – 34 1/8” 

J – 34 1/4”

RevJ 

2.91 

.38 

4.0 

4.0 

.38 

10° Min. 


11.6 

36.0 

18.0 

19.7 

INBOARD 

ANGLE MOUNT 

‡ For other frame widths change “G” to appropriate letter shown. 

e.g. JSK 37USL-AM6C 



6” 334 lbs. JSK 37USL-AM6G 





† Model numbers shown have standard topplate, left hand release 

and 34” frame width. 

4.0 

5.0 ±.5 

12.0 Min. 

13.5 Max. 

8° 

5° Min. 

Height = 5.91, 6.91, 

7.91 or 8.91 

Page 26 

‡ 

C = 33 1/2 

E = 33 3/4 

F = 33 7/8 

G = 34 

H = 34 1/8 

J = 34 1/4 


ASSEMBLIES 


Low Lube 

Plates 


e.g. JSK 37UWL-AM6G 

Auto Lube 


NPT (4) Holes 


e.g. JSK 37UAL-AM6G 

Air Release 


e.g. JSK 37USA-AM6G

RevJ 

CAPACITY: 



FEATURES: 


BRACKET FOR 

ANGLE MOUNT 





Line Prefix 

JSK 

Topplate 

Style 

37U 




PART NUMBER 


(See Page 1) (See Page 29) 

Topplate 

Lube Type 

__ 




Topplate 

Release Type 

__ 

Example: JSK 37USL-XM6X 

Page 27 

Bracket 

Style 

XM 


ASSEMBLIES 

Height 

__ 

6 – 5.54” 

7 – 6.54” 

8 – 7.54” 

9 – 8.54” 

Frame 

Width 

X

RevJ 

2.91 

34.0 


3.9 

3.9 

10° Min. 

11.6 

13.8 

BRACKET FOR 

ANGLE MOUNT 



6” 275 lbs. JSK 37USL-XM6X 






19.7 

5.0 ±.5 

12.0 Min. 

13.5 Max. 

8° 

Page 28 

5° Min. 

Height = 5.54, 6.54, 

7.54 or 8.54 


ASSEMBLIES 


Low Lube 

Plates 


e.g. JSK 37UWL-XM6X 

Auto Lube 


NPT (4) Holes 


e.g. JSK 37UAL-XM6X 

Air Release 


e.g. JSK 37USA-XM6X

RevJ 

STATIONARY MOUNTING 

BRACKETS 

*Pins, bushings & collars not included when ordering brackets only. 

Page 29 


ASSEMBLIES 

Outboard Flat Plate 

Mounting Bracket * 

Order Number 

Height 

DB6X 6” F.W. Height 




Outboard Plate Mount 


Order Number 

Height 

PM6X 6” F.W. Height 




Inboard Angle 


Order Number 

Height 

AM6G** 6” F.W. Height 




**For other frame widths change “G” to 

appropriate shown on page 25. (e.g. AM6C) 

Bracket * for 

Mounting Angle 

Order Number 

Height 

XM6X 6” F.W. Height 



XM9X 9” F.W. Height

1 

RevJ 

Outboard Slide Bracket Assemblies 

8” High Slide Bracket Asm – NA8P 

9” High Slide Bracket Asm – NA9P 

1 

2 

2 

Inboard Slide Bracket Assembly 

9” High Slide Bracket Asm – NB9P 

16 

15 

3 

Complete Stationary Assemblies 

8” High Flat Plate Asm – NDB8X 

9” High Flat Plate Asm – NDB9X 

16 

3 

15 

3 

2 

13 

13 

14 

14 

NO-TILT CONVERTIBLE 

1 

OUTBOARD SLIDER PARTS 

(Adds 17 lbs to standard weight) 


SK 75015-03 (see pg. 34) 

INBOARD SLIDER PARTS 


4 

5 

4 

5 

6 

7 

8 

9 

10 

11 

12 

6 

7 

8 


SK 75015-03 (see pg. 34) 

STATIONARY PARTS 


4 5 

12 

Page 30 

6 

7 

8 

9 

10 

11 

9 

10 

11 

12 

BRACKET 

OPTIONS 

Item Description Part No. 

1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

Lock Nut 

Rear Stop – 8” height 

Rear Stop – 9” height 

2 1/2 lg. Shoulder Screw 

Thick Shim (round) 

Thin Shim (round) 

1/2-13 Screw – 8” height 


Front Stop – 8” height 

Front Stop – 9” height 

Spring Plunger 

Plug 

Jam Nut 

3/4 lg. Shoulder Screw 

Front Tilt Stop Plate 

SK-70402-01 

SK-72066-01 

SK-72066-02 

SK-70201-02 

SK-72068-12 

SK-72068-06 

SK-70202-08 

SK-70202-16 

SK-72065-08 

SK-72065-09 

SK-71015-01 

SK-71003-01 

SK-70403-04 

SK-70201-14 

SK-77084-00 


1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

14 

15 

16 

Lock Nut 

Rear Stop 


Thick Shim (rectangle) 

Thin Shim (rectangle) 

1/2-13 Screw 

L.H. Front Stop 

1 lg. Shoulder Screw 

Spring Plunger 

Jam Nut 

Roll Pin 

L.H. Front Tilt Stop Plate 

R.H. Front Stop 

R.H. Front Tilt Stop Plate 



SK-70402-01 

SK-72066-01 

SK-70201-02 

SK-72069-12 

SK-72069-06 

SK-70202-26 

SK-72067-29 

SK-70201-12 

SK-71015-01 

SK-70403-04 

SK-70104-03 

SK-72064-00 

SK-72065-29 

SK-72063-00 

SK-72068-12 

SK-72068-06 


1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

14 

15 

16 

Lock Nut 

Rear Stop 


Thick Shim (rectangle) 

Thin Shim (rectangle) 



LH Front Stop – 8” height 

LH Front Stop – 9” height 

1 lg. Shoulder Screw 

Plunger Spring 

Jam Nut 

LH Front Tilt Stop Plate 

Roll Pin 

RH Front Stop – 8” height 

RH Front Stop – 9” height 

RH Front Tilt Stop Plate 



SK-70402-01 

SK-72066-01 

SK-70201-02 

SK-72069-12 

SK-72069-06 

SK-70202-17 

SK-70202-18 

SK-72067-08 

SK-72067-09 

SK-70201-12 

SK-71015-01 

SK-70403-04 

SK-72064-00 

SK-70104-03 

SK-72065-18 

SK-72065-19 

SK-72063-00 

SK-72068-12 

SK-72068-06

RevJ 


Rebuild Kit–L.H. only 

Order Number 

Weight 

SK 73221-50Z 6 lbs. 

Low Lube Plate 

Replacement Kit 

Order Number 

Weight 

SK 3106-003 6 lbs. 

REPLACEMENT KITS 

Page 31 

Includes: Ring, Eye bolt, Lock jaw spring, 

Lock jaw, Lock jaw pivot pin, 

Cushion ring insert, Cushion ring fixture, 

Lubrication kit, 

(4) Socket head cap screws 

Includes: (2) Plates, (12) Bolts 

FIFTH WHEEL 

ACCESSORIES

RevJ 

Complete Air Slide Control and Air 

Line Kit 

Order Number 

Slide Travel Weight 

SK 75002-01 36” or less 2 lbs. 

SK 75002-04 48” or more 2 lbs. 

Air Slide and Air Line Kit 

Order Number 

Slide Travel Weight 

SK 75002-02 36” or less 2 lbs. 

SK 75002-16 48” or more 2 lbs. 

AIR LINE KITS 

Page 32 

To air supply 

To air 

cylinder 

Includes: Cab Control Valve 

30’ SAE JS44 type A Nylon Tubing 

Fittings 

Bulk Head Fitting 

Coiled Air Line 

Wire Ties 

To air 

cylinder 

Includes: Bulk Head Fitting 

Coiled Air Line 

Wire Ties 

FIFTH WHEEL 

ACCESSORIES

RevJ 

Air Release Manifold 

Assembly Kit 

Order Number 

Weight 

SK 75002-05 2 lbs. 

Air Release Air Line Kit 

AIR LINE KITS 

Order Number 

Fifth Wheel type Weight 

SK 75002-12 

36” travel or less 

Stationary 

1 lb. 

SK 75002-15 48” travel or more 1 lb. 

Page 33 

Includes: Air Release Manifold Valve 

Air Release Inversion Valve 

Cab Control Plate 

Finger Guard 

To air 

cylinder 

FIFTH WHEEL 

ACCESSORIES 

To manifold 

assembly 

Includes: 30’ SAE JS44 type A Nylon Tubing 

Fittings 

Bulk Head Fitting 

Coiled Air Line

RevJ 

15 3/4" 

Old Style Sliding Fifth Wheel 

Air Cylinder (long) 

Order Number 

Weight 

SK 75015-01 6 lbs. 

Includes: Composite cylinder, 

(2) Mounting Screws, (2) Lock Nuts 

(2) Spring Brackets, Double Coil Spring 

Old Style Air Release Topplate 

Slip Rod Air Cylinder 

Order Number 

Weight 

SK 75015-02 5 lbs. 

Includes: Stainless Steel Air Cylinder, 

AIR CYLINDER 

Page 34 

12" 

Current Sliding Fifth Wheel 

Air Cylinder (short) 

Order Number 

Weight 

SK 75015-03 4 lbs. 

Includes: Composite cylinder & rod, 

(2) Mounting Screws, (2) Lock Nuts 

Current Air Release Topplate 

Standard Air Cylinder 

Order Number 

Weight 

SK 75015-05 5 lbs. 

FIFTH WHEEL 

ACCESSORIES 

Includes: Stainless Steel Air Cylinder, 

Clevis, Long Clevis Pin, 

Short Clevis Pin, Washer

RevJ 

HARDWARE KITS 

Includes: 5/8” grade 8 fasteners 

Hardened steel SAE washers 

Grade C lock nuts 

Note: Outboard sliding fifth wheel to mounting angle kits 

attach fifth wheel to mounting angles. 

To attach mounting angle to tractor frame order a 

mounting angle to tractor frame hardware kit. 

Outboard Sliding Fifth Wheel To Mounting Angle Kits 

Slide Travel Fastener Qty. Weight 

Order Number 

12” 20 8 lbs. SK 75000-20 

16” 22 9 lbs. SK 75000-22 

24” 26 11 lbs. SK 75000-26 

36” 32 14 lbs. SK 75000-32 

48” 38 16 lbs. SK 75000-38 

Stationary Fifth Wheel To Mounting Angle Kit 

Mounting Style Fastener Qty. Weight 

Flat Plate 

Mount 

Corrugated 

Mounting Plate 

Order Number 

10 5 lbs. SK 75001-10 

18 8 lbs. SK 75017-18 

Mounting Angle To Tractor Frame Kits 

Model Type Fastener Qty. Weight 

Order Number 

Stationary 

12” Slider 

10 5 lbs. SK 75001-10 

18”/16” Slider 12 6 lbs. SK 75001-12 

24” Slider 14 6 lbs. SK 75001-14 

36” Slider 16 7 lbs. SK 75001-16 

48” Slider 18 8 lbs. SK 75001-18 

Page 35 

MOUNTING 

ACCESSORIES

RevJ 

2.13 

Material Type Thickness 

Structural 

ASTM-A-36 

Formed 

High 

Strength Low 

Alloy Steel 

5/16 

3/8 

5/16 

3/8 

4.0 Typ. 

2.13 

SLIDING OUTBOARD 

MOUNTING ANGLE 

Sliding Outboard Mounting Angle 

Slide 

Travel 

4.0 Typ. 

“L” 

“L” 

Length 

“A” Leg 

Weight 

Per Angle 

Order Number 

12 40 1/4 4” 22 lbs. SK 75007-12 

16 44 1/4 4” 24 1/2 lbs. SK 75007-16 

24 52 1/4 4” 29 lbs. SK 75007-24 

36 64 1/4 4” 35 1/2 lbs. SK 75007-36 

48 76 1/4 4” 42 lbs. SK 75007-48 

12 40 1/4 4” 26 1/4 lbs. SK 75008-12 

16 44 1/4 4” 29 lbs. SK 75008-16 

24 52 1/4 4” 34 lbs. SK 75008-24 

36 64 1/4 4” 42 lbs. SK 75008-36 

48 76 1/4 4” 50 lbs. SK 75008-48 

12 40 1/4 3 1/2” 19 1/2 lbs. SK 75009-12 

16 44 1/4 3 1/2” 21 1/2 lbs. SK 75009-16 

24 52 1/4 3 1/2” 25 1/2 lbs. SK 75009-24 

36 64 1/4 3 1/2” 31 lbs. SK 75009-36 

48 76 1/4 3 1/2” 37 lbs. SK 75009-48 

12 40 1/4 3 1/2” 24 lbs. SK 75010-12 

16 44 1/4 3 1/2” 26 lbs. SK 75010-16 

24 52 1/4 3 1/2” 31 lbs. SK 75010-24 

36 64 1/4 3 1/2” 38 lbs. SK 75010-36 

48 76 1/4 3 1/2” 45 lbs. SK 75010-48 

Page 36 

3.0 

1.69 

2.38 

MOUNTING 

ACCESSORIES 

Top of Truck Frame 

“A” 

.65 x 1.38 Slot 

For 5/8 Bolt 

(See Page 35)

RevJ 

“A” 

2.0 

STATIONARY INBOARD 


“B” Typ. 

36.0 

Stationary Inboard Mounting Angle 

“B” 

Spacing 

Weight 

Per Angle 

Material Type Thickness “A” Leg 

Order Number 

Structural 5/16 4” 4” 23 1/2 lbs. SK 75003-31 

ASTM-A-36 3/8 4” 4” 28 1/2 lbs. SK 75003-38 

Formed 

High Strength 

Low Alloy Steel 

5/16 

3/8 

3 1/2” 

3 1/2” 

2” 

2” 

20 1/2 lbs. 

25 lbs. 

SK 75004-31 

SK 75004-38 

Page 37 

MOUNTING 

ACCESSORIES 

4.0 Top of Mounting Angle 

2.38 

.65 x 1.38 Slot 

For 5/8 Bolt 

(See Page 35)

RevJ 

2.0 

“B” Typ. 

2.0 

STATIONARY OUTBOARD 


“B” Typ. 

36.0 

Stationary Outboard Mounting Angle 

“B” 

Spacing 

Weight 

Per Angle 

Material Type Thickness “A” Leg 

Order Number 

Structural 5/16 4” 4” 19 1/2 lbs. SK 75005-31 

ASTM-A-36 3/8 4” 4” 24 lbs. SK 75005-38 

Formed 

High Strength 

Low Alloy Steel 

5/16 

3/8 

3 1/2” 

3 1/2” 

2” 

2” 

16 lbs. 

20 lbs. 

SK 75006-31 

SK 75006-38 

Page 38 

3.0 Typ. 

1.69 

MOUNTING 

ACCESSORIES 

Top of Truck Frame 

2.38 

“A” 

.65 x 1.38 Slot 

For 5/8 Bolt 

(See Page 35)

RevJ 

.65 x 1.65 Slot 

For 5/8 Bolt 

(10) Holes 

Drilled & Tapped 

For 5/8 Bolt 

(8) Holes 

16.0 

Typ. 

CORRUGATED 

MOUNTING PLATE 

4.0 

Typ. 

CORRUGATED MOUNTING 

PLATE 

Order Number 

Weight 

SK 75011-00 99 lbs. 

Page 39 

5.438 

Typ. 

26.0 

36.813 

MOUNTING 

ACCESSORIES 

40.0 

1.00 Height

RevJ 

FIFTH WHEEL LOCK 

TESTER 

Order Number 

Weight 

SK 76000-00 30 lbs. 

FIFTH WHEEL 

RELEASE HOOK 

Order Number 

Weight 

SK 75021-00 1 1/4 lbs. 

SERVICE TOOLS 

Page 40 

KINGPIN 

GAGE 

Order Number 

Weight 

SK 76001-01 4 1/2 lbs. 

DOUBLE COIL SPRING 

TOOL 

Order Number 

Weight 

SK 76003-00 1/4 lb. 

BRACKET PIN 

SLIDE HAMMER 

Order Number 

Weight 

SK 76005-01 19 lbs. 

SERVICE TOOLS 

Includes 

Standard 5/8-11 tip & 1/2-13 tip adapter

The right to alter specifications is reserved. 

Today, Jost fifth wheels 

are recognized around 

the world for their 

high-quality, durability, 

and cost savings. The 

same qualities apply to 

all Jost equipment. 

Jost landing gear is 

standard equipment on 

most of the trailers in 

North America and our 

kingpins and turntables 

have proven themselves in the 

toughest conditions. 

You can also rely on Jost for 

personal, flexible service that 

meets your schedule. And with 

two manufacturing plants and distribution centers in the U.S., 

along with seven plants and thirteen distribution centers outside 

of North America, you can 

count on Jost to have the 

products you need. 

1770 Hayes Street 

Grand Haven, MI 49417 

www.jostinternational.com 

The reasons are simple. 

• Fifth Wheels • Landing Gear • Kingpins • Turntables 

Ph. (616) 846-7700 (800) 253-5105 

Fax (616) 846-0310 

LT SKCAT-01 Rev.J

Fifth Wheel Catalog - JOST International

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