HS SERIES ZT MOWERS - Opico

BUSH HOG®
LAND MAINTENANCE
REPAIR PARTS MANUAL
MODELS: HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
HOME SERIES ZERO TURN MOWER
SECTION: 85
P.O. Box 1039 • Selma, AL 36702-1039
(334) 872-6261 • (334) 874-2700
Parts Ordering 1-800-304-2836
Fax 1-800-572-1784
www.bushhog.com

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
HS SERIES ZERO TURN MOWERS
MODELS: HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
TABLE OF CONTENTS
MOWER DECK & RELATED PARTS
Blade Spindle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-1-1
36” Deck (Belts, Blades, Idlers, Rollers, Tensioners) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-1-2, 85-1-3
42” Deck (Belts, Blades, Idlers, Rollers, Tensioners) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-1-4, 85-1-5
Deck Lift & Related Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-1-6, 85-1-7
FRAME & SEATING
Frame & Related Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-2-1
Seat, Non-Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-2-2
SUSPENSION, STEERING & PARKING BRAKE CONTROLS
Steering Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-3-1
Parking Brake Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-3-2
Front Caster Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-3-3
Rear Drive Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-3-3
POWER SUPPLY - ENGINES, TRANSMISSIONS & BELTS
Transaxle Mounting Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-4-1
Transaxle Assy. R.H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-4-2
Transaxle Assy. L.H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-4-3
Transaxle Drives & Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-4-4
Engines & Related Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-4-5
FUEL, ELECTRICAL & CONTROL PANEL
Fuel System & Related Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-5-1
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-5-2
Electrical Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-5-3
OPTIONS / KITS
Mulching Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-6-1
Light Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-6-2
ROPS & Related Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-6-3
Canopy / Sunshade Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-6-4
Hour Meter Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-6-5
Decal Replacement Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-6-6, 85-6-7

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL October, 2007
BLADE SPINDLE ASSEMBLY
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
3
5
2
1
3
4
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055552 1 Spindle Assembly
2 50055551 1 Spindle Housing
3 50055548 2 Bearing 25mm
4 50055550 1 Spindle Shaft
5 50055549 1 Spindle Spacer
85-1-1

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
36” DECK AND RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1836B
1
33
24
35
2
25
34
35
5
4
9
3
29
30
23
6
28
31
12
14
15 15
16
21
28
47
32
6
8
7
27
42
41
39
36
11
13
19
18
17
18
17
16
15
17
18
19
22
39
21
20
38
31
30
29
10
26
40
43
44
45
46
85-1-2

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
APRIL, 2008
REF.
NO.
36” DECK AND RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1836B
PART
NO.
QTY.
DESCRIPTION
1 50023377 1 Belt 36” Deck
2 50055782 2 Idler Pulley, Flat 5”
3 50055787 2 Drive Pulley, 5”
4 50055644 1 Idler Arm
5 50055683 1 Spacer, Idler
6 50055031 2 Bushing, Flanged
7 50055708 1 Spring, Tension
8 88669 1 Rod, Tension
9 88753 2 Woodroff Key, #606
10 50055552 2 Spindle Assy.
11 50055820 1 Discharge Chute Assy.
12 50055818 1 Discharge Chute
13 50055816 1 Inner Band
14 50055819 1 Outer Band
15 45119 4 Carriage Bolt 3/8” x 1” Gr.5
16 50063814 2 Washer, 2.25” Dia.
17 ------- 4 Hex Nut 3/8”
18 ------- 4 Lockwasher 3/8”
19 ------- 2 Flatwasher 3/8”
20 50055821 1 Pin, Discharge Chute
21 ------- 2 Cotter Pin 1/8” x 1”
22 ------- 2 Flatwasher, 3/8” SAE
23 45058 1 Flatwasher, 1/2” SAE
24 45157 2 Locknut, 5/8”
25 45154 2 Locknut, Flanged 5/8”
26 45129 8 Capscrew 3/8” x 1-1/4” Gr.5
27 ------- 8 Lockwasher 3/8”
28 ------- 10 Hex Nut 3/8”
29 ------- 6 Capscrew 5/16” x 1” Gr.5
30 ------- 6 Lockwasher 5/16”
31 ------- 6 Hex nut 5/16”
32 45103 1 Locknut 1/2” , Flanged
33 50055521 1 Shield w/Decal L.H.
34 50055520 1 Shield w/Decal R.H.
35 50012615 2 Decal, Warning
36 50055524 1 Deck weldment w/Decals
37 50043280 1 Danger Decal
38 83056 1 Warning Decal
39 50043277 1 Danger Decal
40 50055673 1 Belt Installation Decal
41 94134 1 Warning “Read Manual” Decal
42 50028246 1 Non-Skid Surface
43 44040 2 Safety Washer, Heavy Duty
44 45198 2 Capscrew, 1/2” x 1-1/4” Gr.5 NF
45 50056498 2 Blade, Standrad -CW Rotation, Parallel Uplift w/Cutout
46 50044451 2 Gator Blade, Optional - CW Rotation
47 45120 1 Carriage Bolt 5/8” x 3-1/2” Gr.5
85-1-3

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
42” DECK AND RELATED PARTS
HOME SERIES ZT MODELS HS1742B, HS1842B, HS2042K
1
33
24
35
34
2
25
3
35
5
4
9
29
30
31
42
49
12
11
15
16
14
15
21
47
28
22
32
6
23
6
8
7
28
27
41
50
51
48
22
40
36
13
16
31
39
15
30
19
18
17
18
17
39 38
22
21
20
29
26
10
43
44
45
46
85-1-4

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
APRIL, 2008
42” DECK AND RELATED PARTS
HOME SERIES ZT MODELS HS1742B, HS1842B, HS2042K
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055781 1 Belt 42” Deck
2 50055782 2 Idler Pulley, Flat 5”
3 50055788 2 Drive Pulley, 5.5”
4 50055644 1 Idler Arm
5 50055683 1 Spacer, Idler
6 50055031 2 Bushing, Flanged
7 50055708 1 Spring, Tension
8 88669 1 Rod, Tension
9 88753 2 Woodroff Key, #606
10 50055552 2 Spindle Assy.
11 50055820 1 Discharge Chute Assy.
12 50055818 1 Discharge Chute
13 50055816 1 Inner Band
14 50055819 1 Outer Band
15 45119 4 Carriage Bolt 3/8” x 1” Gr.5
16 50063814 2 Washer, 2.25” Dia.
17 ------- 4 Hex Nut 3/8”
18 ------- 4 Lockwasher 3/8”
19 ------- 2 Flatwasher 3/8”
20 50055821 1 Pin, Discharge Chute
21 ------- 2 Cotter Pin 1/8” x 1”
22 ------- 3 Flatwasher, 3/8” SAE
23 45058 1 Flatwasher, 1/2” SAE
24 45157 2 Locknut, 5/8”
25 45154 2 Locknut, Flanged 5/8”
26 45129 8 Capscrew 3/8” x 1-1/4” Gr.5
27 ------- 8 Lockwasher 3/8”
28 ------- 10 Hex Nut 3/8”
29 ------- 6 Capscrew 5/16” x 1” Gr.5
30 ------- 6 Lockwasher 5/16”
31 ------- 6 Hex nut 5/16”
32 45103 1 Locknut 1/2” , Flanged
33 50062898 1 Shield w/Decal L.H.
34 50055522 1 Shield w/Decal R.H.
35 50012615 2 Decal, Warning
36 50055525 1 Deck Weldment w/Decals
37 50043280 1 Danger Decal
38 83056 1 Warning Decal
39 50043277 1 Danger Decal
40 50055673 1 Belt Installation Decal
41 94134 1 Warning “Read Manual” Decal
42 50028246 1 Non-Skid Surface
43 44040 2 Safety Washer, Heavy Duty
44 45198 2 Capscrew, 1/2” x 1-1/4” Gr.5 NF
45 50055707 2 Blade, Standrad -CW Rotation, Parallel Uplift w/Cutout
46 50029159 2 Gator Blade, Optional - CW Rotation
47 45120 1 Carriage Bolt 5/8” x 3-1/2” Gr.5
48 50025511 1 Roller, Spherical 5” 2.75”
49 45131 1 Capscrew 3/8” x 4” Gr.5
50 50027488 1 Bushing
51 45106 1 Locknut 3/8” Flanged
85-1-5

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
DECK LIFT AND RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
6
18
17
9
16
15
13
14
16
9
10
23
7
8
9
4
10
11 12 22
22
6
22
23
22
6
11 12
20
19
7
10
5
10
21
9
7
6
10 22
23
3
3
8
2
3
1
10
9
4
8
2
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50047686 2 Rod Weldment
2 50047696 2 Side Link
3 45056 4 Cotter Pin
4 50042660 2 Deck Lift Chain (5Link)
5 50055703 1 Lift Link
6 50027554 4 Rod Mount Boss
7 45080 3 Capscrew 1/2” x 2” Gr.5
8 45078 3 Capscrew 1/2” x 1-1/2” Gr.5
9 45103 6 Locknut 1/2”, Flanged
10 45077 6 Hex Nut 1/2”, Flanged
11 45068 4 Flatwasher 7/8”
12 50027534 4 E-Ring
REF. PART
NO. NO.
QTY. DESCRIPTION
13 50047473 1 Height Adjust Pin
14 50043244 1 Height Adjust Decal
15 50055716 1 Deck Height Plate
16 50043225 2 Capscrew 5/16” x 3/4”
17 50049735 1 Height Adjust Rod
18 50047631 1 Deck Lift Rod
19 50043341 1 Deck Lift Assist Spring
20 50029431 1 Washer, Oil Impregnated
21 45066 1 Flatwasher 5/8”
22 45075 9 Hex Nut 5/8”
23 449 3 Grease Fitting
85-1-6

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
FRAME AND RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
1
6
3, 4, 5
2
21
19
20
10
9
18
16,17
7, 8
27
11
15
12, 13, 14
23 24 25 26
22
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50040895 1 Seat Platform
2 50055718 2 Seat Spring
3 ------- 2 Capscrew 5/16” x 3/4” Gr.5
4 ------- 2 Flatwasher 5/16”
5 ------- 2 Locknut 5/16”
6 50055651 1 Rear Bumper
7 ------- 4 Capscrew 3/8” x 7/8”
8 ------- 4 Locknut 3/8”
9 50055815 2 Fan Shield
10 50043225 6 Capscrew 5/16” x 3/4” Washer Hd.
11 50041347 1 Fuse Holder Bracket
12 ------- 2 Capscrew 1/4” x 5/8” Gr.5
13 ------- 2 Lockwasher 1/4”
14 ------- 2 Hex Nut 1/4”
15 50027622 2 Grommet, Rubber
16 ------- 2 Capscrew 5/16” x 3/4’’ Gr.5
REF.
NO.
PART
NO.
QTY. DESCRIPTION
17 ------- 2 Locknut 5/16”
18 45118 2 Mach. Screw 5/16” x 5/8” Truss Hd.
19 50055650 1 Foot Platform w/ Decals
20 50029501 1 Warning Decal
21 50028120 3 Non-Skid Surface
22 50055519 1 Frame Assy. w/Decals
23 50043276 2 Control Handle Decal
24 50043279 1 Warning Decal
25 50058089 1 Bush Hog Decal
26 50029421 1 Fuel Valve Decal
27 50055530 1 Model Decal, HS1836
50055531 1 Model Decal, HS1842
50055532 1 Model Decal, HS1736
50055533 1 Model Decal, HS1742
50055679 1 Model Decal, HS2042
85-2-1

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
SEAT ASSEMBLY
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
10 10
7
10
5
2
2
8 9
11
4 3 1 6
1 3 4
10
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50047160 2 Seat Bushing
2 50041283 1 Seat Belt & Strap Assembly
3 –––– 2 Lockwasher 7/16”
4 –––– 2 Capscrew 7/16” x 1”
5 50052950 1 Seat Assembly (with Decal & Switch)
6 50048610 1 Delta Switch
7 94131 1 Caution Decal
8 ------------ 1 Adjuster Assembly
9 ------------ 1 Adjuster Slave Assembly
10 50053424 1 Arm Rest Kit
11 50055025 1 Adjuster Kit
85-2-2

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
STEERING CONTROLS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
20
17
20
19
18
19
27
5, 6, 7
5, 6
26 23 22 21 9 30
2, 3
11
15
13
12
9
14
15
9
8
4
23
21
10
21
10
9
2, 3
4
14
11 15
12
13 15 2, 3
8
1
32
4
24
28
1
25
2, 3
8
5, 6, 7
1
5, 6
24
1
28
2, 3
30
27
31
25, 26
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50035351 4 Bearing
2 ------- 8 Capscrew 3/8” x 3/4” Gr.5
3 ------- 8 Locknut 3/8”
4 45110 4 Locknut M8 x 1.25
5 ------- 4 Capscrew 3/8” x 1” Gr.5
6 ------- 4 Lockwasher 3/8”
7 ------- 2 Flatwasher 3/8”
8 ------- 4 Capscrew 1/4” x 1”
9 ------- 4 Locknut 1/4” Flanged
10 50027495 2 Dampener Assembly
11 50049721 2 Linkage Assembly
12 (Order Ref. No.11) 1 Linkage Rod
13 50049691 1 Rod End, L.H. Thread
14 50049690 1 Rod End, R.H. Thread
15 45098 1 Jamnut 1/4” - 28 L.H. Thread
16 45099 1 Jamnut 1/4” - 28 R.H. Thread
REF.
NO.
PART
NO.
QTY. DESCRIPTION
17 50055562 1 Handle Assembly R.H.
18 50055563 1 Handle Assembly L.H.
19 50045536 1 Grip
20 98539 1 Plug
21 50045504 2 Switch
22 50045510 2 Switch Mount
23 45018 4 Screw, Socket Head #10 - 24
24 45101 4 Locknut #10
25 ------- 4 Capscrew 3/8” x 1-3/4” Gr.5
26 ------- 4 Locknut 3/8”
27 50045497 2 Lever
28 50045286 2 Clevis Pin 3/8” x 1-1/2”
29 ------- 2 Cotter pin 5/32” x 3/4”
30 44996 2 Setscrew 1/4”-20 x 3/4”
31 50055654 1 Pivot Weldment R.H.
32 50055655 1 Pivot Weldment L.H.
85-3-1

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
PARKING BRAKE LINKAGE
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
12
11
8
5
9
1 2
7
15
13
14
5
16
4
3
6
10
See Transaxle Assemblies for
these parts.
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50052036 1 Brake Cover
2 50043246 1 Decal, Parking Brake
3 50055024 1 Lever
4 50027533 1 Grip, Handle
5 50043225 3 Capscrew 5/16” - 18 x 3/4” Washer Hd.
6 45108 2 Locknut 5/16”
7 50027543 1 E-Clip Retaining Ring
8 ------- 2 Screw #10 x 3/4” Slt. Hd.
9 ------- 2 Flatwasher #10
10 ------- 2 Locknut #10
11 50055684 1 Brake Cable Assy., L.H.
12 50055685 1 Brake Cable Assy., R.H.
13 ------- 2 Capscrew 1/4” x 1-1/4” Gr.5
14 ------- 2 Flatwasher 1/4”
15 ------- 2 Locknut 1/4”
16 99073 1 Switch, Brake
85-3-2

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
FRONT CASTERS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
1
2
3
4
9
8
9
6
4
5
7
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50027240 2 Cap, Grease
2 44041 2 Retaining Ring
3 45057 2 Flatwasher 1’
4 99093 4 Ball Bearing, Flanged
5 50055542 2 Caster Assembly
6 45205 2 Capscrew 1/2” x 6” Gr.5
7 45104 2 Locknut 1/2”
8 50049736 2 Tire and Wheel Assy.
9 50040864 4 Bearing
REAR WHEEL AND TIRE ASSEMBLY
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
1
3
4
2
REF.
NO.
PART
NO.
QTY. DESCRIPTION
1 50055711 2 Tire and Wheel Assy.
2 50040843 1 Wheel
3 50055709 1 Tire 18” x 8.5” -4 Ply
4 ------- 1 Valve Stem (Purchase Locally)
85-3-3

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
TRANSAXLE MOUNT
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
5
4
3
1
9, 11, 12
10, 11, 12
5
4
3
2
8, 11, 12 13
9, 11, 12
8, 11, 12 13
6
6
8, 11, 12 13
9, 11, 12
6
15
16
14
7
10, 11, 12
8, 11, 12 13
9, 11, 12
6
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055659 1 Release Rod L.H.
2 50055660 1 Release Rod R.H.
3 -------- 2 Hex Nut 5/16”
4 ------- 4 Jamnut 5/16”
5 50019445 2 Knob 1’’
6 50055662 4 Transaxle Support Weld.
7 50055669 1 Torsion Rod
8 45092 4 Capscrew 5/16” x 2-1/4” Gr.8
9 ------- 4 Capscrew 5/16” x 3/4” Gr.5
10 ------- 8 Capscrew 5/16” x 2-3/4” Gr.5
11 45108 16 Locknut 5/16”
12 ------- 16 Lockwasher 5/16”
13 ------- 4 Flatwasher 5/16”
14 ------- 2 Flatwasher 3/8”
15 ------- 2 Jamnut 3/8”
16 ------- 2 Hex Nut 3/8”
85-4-1

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
50055510 RIGHT HAND TRANSAXLE ASSEMBLY
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
2 5
4
3
1
8, 7, 6
15
13
14
17
12 10 11
9
16
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055723 1 Hub Assembly
2 50055724 1 Fan Kit w/Pulley
3 50058291 1 Washer 1.23” x 1.56” x .04”
4 50058290 1 Seal 17 x 40 x 7
5 50058289 2 Retaing Ring
6 50055725 1 Bushing .752” x 1.571” x .625”
7 50055726 1 Seal .750” x 1.577” x .250”
8 50055727 1 Retaining Ring
9 50055728 1 Filter Kit
10 50055729 1 Brake Cog Wheel
11 50055730 1 Seal .50” x .98” x .25”
12 50055731 2 Retaining Ring
13 50055735 1 Brake Kit
14 50061066 1 Bi Directional Kit
15 50058305 1 Seal.375” x .75” x .25”
16 50055529 1 Deflector, Belt
17 50055734 1 Seal
85-4-2

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
50055511 LEFT HAND TRANSAXLE ASSEMBLY
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
2
15
5
4
3
14
1
13
6, 7, 8
11 10 12
17
16 9
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055723 1 Hub Assembly
2 50055724 1 Fan Kit w/Pulley
3 50058291 1 Washer 1.23” x 1.56” x .04”
4 50058290 1 Seal 17 x 40 x 7
5 50058289 2 Retaing Ring
6 50055725 1 Bushing .752” x 1.571” x .625”
7 50055726 1 Seal .750” x 1.577” x .250”
8 50055727 1 Retaining Ring
9 50055728 1 Filter Kit
10 50055729 1 Brake Cog Wheel
11 50055730 1 Seal .50” x .98” x .25”
12 50055731 2 Retaining Ring
13 50055735 1 Brake Kit
14 50061066 1 Bi Directional Kit
15 50058305 1 Seal.375” x .75” x .25”
16 50055529 1 Deflector, Belt
17 50055734 1 Seal
85-4-3

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
TRANSAXLE DRIVES AND CLUTCH ASSEMBLY
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
2
3
4
5
6
2
7
8
9
10
11, 12
1
13
14
15
16
17
18
19
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055686 1 Belt 56”
2 45103 2 Locknut, Flanged 1/2”
3 ------- 1 Flatwasher1/2”
4 50054974 1 Idler Arm
5 50053459 1 Bushing, Flanged
6 45181 1 Carriage Bolt 1/2” x 3” Gr.5
7 50049649 1 Idler Pulley
8 90391 1 Extension Spring
9 50054988 1 Tension Rod
10 ------- 2 Hex Nut 3/8”
11 ------- 2 Capscrew 5/16” x 3/4” Gr.5
12 45108 2 Locknut 5/16”
13 50043382 1 Clutch Stop
14 50029504 1 Spacer Wsaher
15 19459 1 Key .25” x.25” x1.25”
16 50040263 1 Pulley
17 50055658 1 Clutch Assembly
18 50034847 1 Lockwasher 7/16” Hi Collar
19 50037071 1 Capscrew (Locking Bolt 7/16’ x 2-3/4”)
85-4-4

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
BRIGGS & STRATTON ENGINE
17.5 HP Intek – Model No. 3197770201E
Used on: HS1736B, HS1742B
APRIL, 2008
7
10, 11
For service to the engine locate your nearest Briggs & Stratton
engine dealer or service center.
9
8
12
1
4
3
2
REF.
NO.
BRIGGS & STRATTON ENGINE
17.5 HP ELS – Model No. 31L777927672
Used on: HS1736B, HS1742B
PART
NO.
QTY.
DESCRIPTION
1 97342 1 Plug
2 50029002 1 Oil Drain Tube
3 97343 1 Drain Fitting
4 ------- 4 Capscrew 5/16” x 1-1/4” Gr.5
5 ------- 4 Flatwasher 5/16”
6 ------- 4 Locknut 5/16”
7 50043298 1 Spark Plug
8 50043297 1 Fuel Filter, Intek
50055249 1 Fuel Filter, ELS
9 50043296 1 Oil Filter, Intek
50055248 1 Oil Filter, ELS
10 50043294 1 Air Filter, Intek
50063809 1 Air Filter, ELS
11 50043295 1 Pre Cleaner, Intek
50063810 1 Pre Cleaner, ELS
12 50063813 1 Rotating Screen Cover, ELS Only
5
6
1
13
For service to the engine locate your nearest Briggs & Stratton
engine dealer or service center.
12
11
6
8
7
9, 10
4 5
3
2
BRIGGS & STRATTON ENGINE
18 HP – Model No. 405577926847
Used On: HS1836B, HS1842B
REF.
NO.
PART
NO.
QTY. DESCRIPTION
1 97342 1 Plug
2 50029002 1 Oil Drain Tube
3 97343 1 Drain Fitting
4 ------- 4 Capscrew 5/16” x 1-1/4” Gr.5
5 ------- 4 Locknut 5/16”
6 50043301 1 Spark Plug
7 50043297 1 Fuel Filter
8 50043296 1 Oil Filter
9 50061067 1 Air Filter
10 50043300 1 Pre Cleaner
11 50030659 1 Deflector, Exhaust
12 50021049 1 Clamp
13 ------- 1 Muffler (See your nearest
authorized Briggs & Stratton dealer)
For service to the engine locate your nearest Kohler
engine dealer or service center.
KOHLER ENGINE
20 HP Courage Twin – Model No.SV710
Used On: HS2042K
13
5
10
6
11, 12 7
8, 9
4
1
3
2
85-4-5
REF.
NO.
PART
NO.
QTY. DESCRIPTION
1 97342 1 Plug
2 50029002 1 Oil Drain Tube
3 97343 1 Drain Fitting
4 ------- 4 Capscrew 3/8” x 1-3/8” Washer Hd.
5 50043306 2 Spark Plug
6 50043305 1 Fuel Filter
7 50043304 1 Oil Filter
8 50043302 1 Air Filter
9 50043303 1 Pre Cleaner
10 50056890 1 Muffler Bracket
11 45188 4 Socket Hd. Capscr. 5/16” x 3/4”
12 ------- 4 Lockwasher 5/16”
13 ------- 1 Muffler (See your nearest
authorized Kohler dealer)

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
FUEL SYSTEM AND RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
7
8
7
3
2
9
3
10
3
1
11
6
5
4 1
3
10
3
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50029410 2 Fuel Line 1/4”
2 50043332 1 Fuel Line, Engine
3 50047915 6 Hose Clamp
4 44088 8 Capscrew 3/8” x 3/4” Gr.5
5 ------- 8 Lockwasher 3/8”
6 ------- 8 Flatwasher 3/8”
7 50016402 2 Gas Cap
8 50055553 1 L.H. Fuel Tank w/Fitting
9 50055554 1 R.H. Fuel Tank w/Fitting
10 50052910 2 Fitting w/Screen
11 50028138 1 Valve, 3 Way - Cutoff
85-5-1

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
CONTROL PANEL AND RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
4
11
1
2
8
5
13
12
14
3
8, 9
6
7
10
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055555 1 Control Panel wo/Decals
2 50055569 1 Decal, Upper Panel
3 50055570 1 Decal, Lower Panel
4 50042043 1 Plastic Plug
5 50047912 1 Ignition Switch
6 50018299 1 PTO Switch
7 50052088 1 Throttle Control Assy. HS1736,HS1742
50047122 1 Throttle Control Assy. HS1836, HS1842,HS2042
8 ------- 6 Machine Screw #10 x 1/2
9 ------ 2 Locknut #10
10 50052923 1 Choke Control Cable - HS1736, HS1742
50047123 1 Choke Control Cable - HS1836, HS1842
50043322 1 Choke Control Cable - HS2042
11 50029016 1 Warning Light
12 ------- 4 Flatwasher #10
13 ------- 4 Lockwasher #10
14 50047913 1 Key Set
85-5-2

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
ELECTRICAL SYSTEM AND RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
10
9
3, 4, 5, 6
8
4
3
2
13
1
11
6, 8, 12
1
7
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50052953 2 J-Bolt
2 98966 1 Clamp, Battery
3 ------- 6 Flatwasher 1/4”
4 ------- 8 Hex Nut 1/4” - 20
5 ------- 2 Capscrew 1/4” x 3/4”
6 ------- 4 Lockwasher 1/4”
7 N/A 1 Battery 12V (Purchase Locally)
8 50043250 1 Battery Ground Cable
9 50043251 2 Battery / Solenoid Cable
10 99064 1 Solenoid
11 50041347 1 Fuse Holder Bracket
12 ------- 2 Capscrew 1/4” x 5/8” Gr.5
13 50055701 2 Wiring Harness
85-5-3

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
MULCHING KIT RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
3
4
5
4
5
5
4
4
5
4
2
1
1
REF.
NO.
PART
NO.
QTY. DESCRIPTION USED ON MODELS
1 50044451 2 Blade 18” Gator HS1736, HS1836
50029159 2 Blade 21” Gator HS1742, HS1842, HS2042
2 50055693 1 Mulching Baffle HS1736, HS1836
50055698 1 Mulching Baffle HS1742, HS1842, HS2042
3 50055689 1 Block Off Plate HS1736, HS1836
50055694 1 Block Off Plate HS1742, HS1842, HS2042
4 ------- 8 Capscrew 1/4” x 1/2” Gr.5 HS1736, HS1836, HS1742, HS1842, HS2042
5 ------- 4 Locknut 1/4” HS1736, HS1836, HS1742, HS1842, HS2042
85-6-1

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
LIGHT KIT & RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
2
1
3
5
4
6
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 99065 1 Rocker Switch
2 50044461 1 R.H. Working Lamp
50044462 1 L.H. Working Lamp
3 50044466 2 Jumper Cord
4 50055783 2 Light Mount Bracket
5 ------- 4 Capscrew 3/8” x1” Gr.5
6 ------- 4 Flatwasher 3/8”
85-6-2

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
APRIL, 2008
ROPS & RELATED PARTS
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
17
1
7
13
8
6
5
14
15
16
8
10,12
11
6
3
5
2
9
10, 12
3
9
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50055544 1 ROPS
2 45151 4 Locknut 1/2”
3 45163 4 Capscrew 1/2” x 3-1/4” Gr.5
4 ------- 4 Flatwasher 7/16”
5 45138 2 Capscrew 7/16” x 1” NF Gr.5
6 45159 2 Lockwasher 7/16”
7 50041283 1 Seat Belt & Strap
8 50047160 2 Bushing
9 50055812 2 ROPS Mount Bracket
10 ------- 6 Capscrew 3/8” x 1” Gr.5
11 45108 2 Locknut 5/16”
12 45105 6 Locknut 3/8”
13 69391 2 Lynch Pin
14 50047153 2 Seat Lock Pin
15 ------- 2 Flatwasher 5/16”
16 50055718 2 Spring
17 50048632 1 Warning Decal
85-6-3

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
50055802 SUNSHADE KIT
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
FOR REPLACEMENT PARTS ON THIS PRODUCT CONTACT:
CUSTOM PRODUCTS
OF LITCHFIELD, INC.
BOX 718
LITCHFIELD, MINNESOTA 55355
PHONE (320) 693-3221
FAX (320) 693-7252
1-800-222-5463
www.800cabline.com
85-6-4

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
50055807 HOUR METER KIT
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
1
3
2
4
REF.
NO.
PART
NO.
QTY.
DESCRIPTION
1 50045366 1 Hour Meter
2 50048583 1 Lead Wire
3 50055808 1 Instruction Sheet
4 50229490 1 Cable Tie
85-6-5

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
50055527 DECAL KIT
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
1
2
3
4
5
6
7
8
9
10
11
12
13 14
19
16
15
21
17
18
20
85-6-6
22

BUSH HOG / LAND MAINTENANCE REPAIR PARTS MANUAL
October, 2007
50055527 DECAL KIT
HOME SERIES ZT MODELS HS1736B, HS1742B, HS1836B, HS1842B, HS2042K
REF.
NO.
PART
NO.
QTY. DESCRIPTION
1 83056 1 Warning Decal
2 94132 1 Warning Decal
3 94134 1 Warning Decal
4 50012615 2 Warning Decal
5 50029421 1 Tank Select Decal
6 50029501 1 Slope Warning Decal
7 50043244 1 Cut Height Decal
8 50043246 1 Parking Brake Decal
9 50043276 2 Speed Control Decal
10 50043277 1 Danger Decal
11 50043279 1 Warning Decal
12 50043280 1 Danger Decal
13 50049813 1 Powered By Kohler Decal
14 50055530 1 HS 1836 Model Decal
15 50055531 1 HS 1842 Model Decal
16 50055532 1 HS 1736 Model Decal
17 50055533 1 HS 1742 Model Decal
18 50055679 1 HS 2042 Model Decal
19 50055569 1 Control Panel Decal, Upper
20 50055570 1 Control Panel Decal, Lower
21 50055673 1 Belt Installation Decal
22 50058089 1 Bush Hog Logo Decal
85-6-7