2024 Catalog

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Quick Change Gear Sets & Accessories
Standard Quick Change Gear Sets
• Manufactured from 8620 high grade steel, and hobbed to a full finish
• Heat treated to ensure strength and longevity
Set No.
Ultra-Duty Pro Quick Change Gears
Note: For use with high horsepower
• Finished with a proprietary heat treat process, hand rolled and inspected,
these gears are designed to run smooth and last longer
Set No.
142
No. of Teeth
No. of Teeth
4.11 4.86
LO HI LO HI
100 8-01 23/23 4.11 4.11 4.86 4.86
100 8-02 27/28 3.96 4.26 4.68 5.04
100 8-15 19/20 3.90 4.33 4.62 5.12
100 8-06 23/25 3.78 4.47 4.47 5.28
100 8-25 20/22 3.74 4.52 4.42 5.34
100 8-12 26/29 3.68 4.58 4.36 5.42
100 8-07 23/26 3.63 4.65 4.30 5.49
100 8-07Q 21/24 3.60 4.70 4.25 5.55
100 8-17 25/29 3.54 4.77 4.19 5.63
100 8-08 22/26 3.48 4.86 4.11 5.74
100 8-19 21/25 3.45 4.89 4.08 5.78
100 8-09Q 20/24 3.42 4.93 4.05 5.83
100 8-09 19/23 3.39 4.98 4.01 5.88
100 8-11 22/27 3.35 5.04 3.96 5.96
100 8-03 25/31 3.31 5.10 3.92 6.02
4.11 4.86
LO HI LO HI
005 01 27/27 4.11 4.11 4.86 4.86
005 01Q 35/36 4.00 4.23 4.72 5.00
005 02 27/28 3.96 4.26 4.68 5.04
005 05 22/23 3.93 4.30 4.65 5.08
005 15 19/20 3.91 4.33 4.61 5.11
005 26 27/29 3.83 4.42 4.52 5.22
005 06 22/24 3.77 4.48 4.45 5.30
005 06Q 21/23 3.75 4.50 4.44 5.32
005 25 19/21 3.72 4.54 4.39 5.37
005 12 26/29 3.69 4.59 4.35 5.42
005 07 23/26 3.64 4.65 4.30 5.49
005 07Q 21/24 3.60 4.70 4.25 5.55
005 17 25/29 3.54 4.77 4.19 5.63
005 08Q 23/27 3.50 4.83 4.14 5.70
005 08 22/26 3.48 4.86 4.11 5.74
005 19 21/25 3.45 4.89 4.08 5.78
005 09Q 25/30 3.43 4.93 4.05 5.83
005 09 19/23 3.40 4.98 4.01 5.88
005 11 22/27 3.35 5.05 3.96 5.96
005 03 21/26 3.32 5.09 3.92 6.01
005 13 24/30 3.29 5.14 3.89 6.07
005 18 23/29 3.26 5.18 3.85 6.12
005 18Q 22/28 3.23 5.23 3.82 6.18
005 04Q 18/23 3.22 5.25 3.80 6.21
005 20Q 21/27 3.20 5.29 3.78 6.24
005 04 24/31 3.18 5.31 3.76 6.27
005 20 23/30 3.15 5.36 3.72 6.34
005 22 22/29 3.12 5.42 3.68 6.40
Set No.
No. of Teeth
KeyserManufacturing.com
4.11 4.86
LO HI LO HI
100 8-13 20/25 3.29 5.14 3.89 6.07
100 8-18 23/29 3.26 5.18 3.85 6.12
100 8-18Q 22/28 3.23 5.23 3.82 6.18
100 8-04Q 18/23 3.22 5.25 3.80 6.21
100 8-04 24/31 3.18 5.31 3.76 6.27
100 8-20 20/26 3.16 5.34 3.74 6.31
100 8-22 19/25 3.12 5.41 3.69 6.39
100 8-16 18/24 3.08 5.48 3.64 6.48
100 8-10 17/23 3.04 5.56 3.59 6.57
100 8-34 16/22 2.99 5.65 3.53 6.68
100 8-14 23/32 2.95 5.72 3.49 6.76
100 8-35 17/24 2.91 5.80 3.44 6.86
100 8-32 19/27 2.89 5.84 3.42 6.90
100 8-24 20/29 2.83 5.96 3.35 7.04
100 8-36 17/25 2.79 6.05 3.30 7.14
Set No.
No. of Teeth
Pro Gears
To calculate a final drive ratio for a ring and pinion set that is not
on this gear chart, simply multiply the spur ratio times the ring and
pinion ratio.
EXAMPLE: a # 5 gear set with a 1.238 spur ratio times a 3.78 ring
and pinion, equals a 4.68 (rounded) low final drive ratio.
4.11 4.86
LO HI LO HI
005 16 18/24 3.08 5.48 3.64 6.48
005 10 20/27 3.05 5.55 3.60 6.56
005 34 22/30 3.01 5.61 3.56 6.62
005 34Q 21/29 2.98 5.68 3.52 6.71
005 14 23/32 2.95 5.72 3.49 6.76
005 14Q 20/28 2.94 5.76 3.47 6.80
005 35 22/31 2.92 5.79 3.45 6.84
005 32 19/27 2.89 5.84 3.42 6.90
005 32Q 23/33 2.87 5.90 3.39 6.97
005 24 20/29 2.84 5.96 3.35 7.04
005 36 17/25 2.80 6.05 3.30 7.14
005 37 21/31 2.78 6.07 3.29 7.17
005 23 22/33 2.74 6.17 3.24 7.29
005 21 21/32 2.70 6.26 3.19 7.40
005 21Q 15/23 2.68 6.30 3.17 7.45
005 27 20/31 2.65 6.37 3.13 7.53
005 43 16/25 2.63 6.42 3.11 7.59
005 28 19/30 2.60 6.49 3.08 7.67
005 28Q 22/35 2.58 6.54 3.05 7.73
005 29 20/32 2.57 6.58 3.04 7.77
005 39 18/29 2.55 6.62 3.01 7.83
005 30 16/26 2.53 6.68 2.99 7.90
005 40 19/31 2.52 6.71 2.98 7.92
005 41 20/33 2.49 6.78 2.94 8.01
005 31 18/30 2.47 6.85 2.91 8.10
005 33Q 19/32 2.44 6.92 2.88 8.18
005 33 20/34 2.42 6.99 2.86 8.26
005 31A 14/24 2.40 7.05 2.83 8.33
005 30A 15/26 2.37 7.13 2.80 8.42
Some parts may contain chemicals known
in the state of California or other states with
similar laws to cause cancer or reproductive
harm.