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Skip Navigation LinksHome > Services > More Resources > Axle Ratio Chart

AXLE RATIO CHART

PINION TEETH
Ring Gear Teeth 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 4.20 3.50 3.00 2.625 2.33 2.10
22 4.40 3.67 3.14 2.850 2.44 2.20 2.00
23 4.60 3.83 3.29 2.875 2.56 2.30 2.09
24 4.80 4.00 3.43 3.00 2.67 2.40 2.18 2.00
25 5.00 4.17 3.57 3.125 2.78 2.50 2.27 2.08
26 5.20 4.33 3.71 3.25 2.89 2.60 2.36 2.17 2.00
27 5.40 4.50 3.86 3.375 3.00 2.70 2.45 2.25 2.08
28 5.60 4.67 4.00 3.50 3.11 2.80 2.55 2.33 2.15 2.00
29 5.80 4.83 4.14 3.625 3.22 2.90 2.64 2.42 2.23 2.07
30 6.00 5.00 4.29 3.750 3.33 3.00 2.73 2.50 2.31 2.14 2.00
31 6.20 5.17 4.43 3.875 3.44 3.10 2.82 2.58 2.38 2.21 2.07
32 6.40 5.33 4.57 4.00 3.56 3.20 2.91 2.67 2.46 2.29 2.13 2.00
33 6.60 5.50 4.71 4.125 3.67 3.30 3.00 2.75 2.54 2.36 2.20 2.06
34 6.80 5.67 4.86 4.25 3.78 3.40 3.09 2.83 2.62 2.43 2.27 2.13 2.00
35 7.00 5.83 5.00 4.375 3.89 3.50 3.18 2.92 2.69 2.50 2.33 2.19 2.06
36 7.20 6.00 5.14 4.50 4.00 3.60 3.27 3.00 2.77 2.57 2.40 2.25 2.12 2.00
37 7.40 6.17 5.29 4.625 4.11 3.70 3.36 3.08 2.85 2.64 2.27 2.31 2.18 2.06
38 7.60 6.33 5.43 4.75 4.22 3.80 3.45 3.17 2.92 2.71 2.53 2.38 2.24 2.11 2.00
39 7.80 6.50 5.57 4.875 4.33 3.90 3.55 3.25 3.00 2.79 2.60 2.44 2.29 2.17 2.05
40 8.00 6.67 5.71 5.00 4.44 4.00 3.64 3.33 3.08 2.86 2.67 2.50 2.35 2.22 2.11 2.00
41 8.20 6.83 5.86 5.125 4.56 4.10 3.73 3.42 3.15 2.93 2.73 2.56 2.41 2.28 2.16 2.05
42 8.40 7.00 6.00 5.25 4.67 4.20 3.82 3.50 3.23 3.00 2.80 2.63 2.47 2.33 2.21 2.10
43 8.60 7.17 6.14 5.375 4.78 4.30 3.91 3.58 3.31 3.07 2.87 2.69 2.53 2.39 2.26 2.15
44 8.80 7.33 6.29 5.50 4.89 4.40 4.00 3.67 3.38 3.14 2.93 2.75 2.59 2.44 2.32 2.20
45 9.00 7.50 6.43 5.625 5.00 4.50 4.09 3.75 3.46 3.21 3.00 2.81 2.65 2.50 2.37 2.25
46 9.20 7.67 6.57 5.75 5.11 4.60 4.18 3.83 3.54 3.29 3.07 2.88 2.71 2.56 2.42 2.30
47 9.40 7.83 6.71 5.875 5.22 4.70 4.27 3.92 3.62 3.36 3.13 2.94 2.76 2.61 2.47 2.35
48 9.60 8.00 6.86 6.00 5.33 4.80 4.36 4.00 3.69 3.43 3.20 3.00 2.82 2.67 2.53 2.40
49 9.80 8.17 7.00 6.125 5.44 4.90 4.45 4.08 3.77 3.50 3.27 3.06 2.88 2.72 2.58 2.45
50 8.33 7.14 6.25 5.56 5.00 4.55 4.17 3.85 3.57 3.33 3.13 2.94 2.78 2.63 2.50
51 8.67 7.43 6.50 5.78 5.20 4.73 4.33 4.00 3.71 3.47 3.25 3.06 2.89 2.74 2.60
52 8.83 7.57 6.625 5.89 5.30 4.82 4.42 4.08 3.79 3.53 3.31 3.12 2.94 2.79 2.65
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