DIVERSIFIED MACHINE INC. 2020 PRODUCT GUIDE
Friction Fighter Sportsman Series Quick Change Gears
Friction Fighter Sportsman Series 10 Spline Quick
Change Gears are produced from high strength
9310 alloy steel and precision hobbed. The gears
are lightened and REM® polished. There isn’t a
nicer gear set available for the money.
R I C T I O N I G H T E R
Q U I C K C H A N G E G E A R S
#20 gear set weighs 4.74 lbs.
GEARCHART
24" x 18"
Laminated Gear
Charts are
available
To Determine Final Drive (# top teeth) / (# bottom teeth) x R&P Ratio = Final Drive
(Current RPM) / (Gear Ratio) x (New Gear Ratio) = New
RPM
R I C T I O N I G H T E R
FFSSQCG - set#
Friction Fighter Quick
Change Gears
To Determine RPM
Change
Example: 8200 5.42 5.56 8400
FFSSQCG 10 Spline Gear Ratios
Gear Set No. of Teeth 4.12 Ring & Pinion (8-33 Teeth) 4.86 Ring & Pinion (7-34 Teeth)
1 23/23 4.12 / 4.12 4.86 / 4.86
2G 24/23 3.95 / 4.30 4.66 / 5.07
15G 22/21 3.94 /4.32 4.64 / 5.09
6 25/23 3.80 / 4.48 4.47 / 5.28
12 29/26 3.70 / 4.60 4.36 / 5.42
7 26/23 3.65 / 4.66 4.30 / 5.49
7G 24/21 3.61 / 4.71 4.25 / 5.55
8G 27/23 3.51 / 4.84 4.14 / 5.71
9G 24/20 3.44 / 4.95 4.05 / 5.83
11 27/22 3.36 / 5.06 3.96 / 5.96
13 25/20 3.30 / 5.16 3.89 / 6.08
4G 23/18 3.23 / 5.27 3.81 / 6.21
4 27/21 3.21 / 5.30 3.78 / 6.25
20 26/20 3.17 / 5.36 3.74 / 6.32
22 25/19 3.14 / 5.43 3.69 / 6.40
16 28/21 3.09 / 5.50 3.65 / 6.48
10 27/20 3.06 / 5.57 3.60 / 6.56
34 26/19 3.02 / 5.64 3.55 / 6.65
14 25/18 2.97 / 5.73 3.50 / 6.75
35 24/17 2.92 / 5.82 3.44 / 6.86
32 27/19 2.90 / 5.86 3.42 / 6.91
32G 26/18 2.85 / 5.96 3.36 / 7.02
37 28/19 2.80 / 6.08 3.30 / 7.16
23 27/18 2.75 / 6.19 3.24 / 7.29
21 26/17 2.70 / 6.31 3.18 / 7.43
43 28/18 2.65 / 6.42 3.13 / 7.56
28G 27/17 2.60 / 6.55 3.06 / 7.72
30 34/21 2.55 / 6.68 3.00 / 7.87
41 28/17 2.50 / 6.79 2.95 / 8.00
33G 27/16 2.45 / 6.96 2.88 / 8.20
31G 31/18 2.40 / 7.10 2.82 / 8.37
50 28/16 2.36 / 7.22 2.78 / 8.51
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