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CHANGE GEARS

Change Gears: Standard steel change gears and bushings stocked in all tooth sizes for 20, 16, 12, 10, and 8 Diametral Pitch – 14 1/2° pressure angle.

Teeth can be hardened upon request.

View Change Gear Bushings

Select a Pitch
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Catalog Number
Pitch Diameter
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  • Range: —
Appx. Weight
Group
20 Diametral Pitch - 3/8" Face - 14 1/2º Pressure Angle - - 5/8" - Bore With 2 - 1/8" x 1/16" Keyways 180° Apart
20CG20 1.000 .05lbs
20CG21 1.050 .06lbs
20CG22 1.100 .07lbs
20CG23 1.150 .08lbs
20CG24 1.200 .09lbs
20CG25 1.250 .10lbs
20CG26 1.300 .11lbs
20CG27 1.350 .12lbs
20CG28 1.400 .13lbs
20CG29 1.450 .14lbs
20CG30 1.500 .16lbs
20CG31 1.550 .17lbs
20CG32 1.600 .19lbs
20CG33 1.650 .20lbs
20CG34 1.700 .22lbs
20CG35 1.750 .24lbs
20CG36 1.800 .26lbs
20CG37 1.850 .28lbs
20CG38 1.900 .30lbs
20CG39 1.950 .32lbs
20CG40 2.000 .33lbs
20CG41 2.050 .34lbs
20CG42 2.100 .36lbs
20CG43 2.150 .37lbs
20CG44 2.200 .38lbs
20CG45 2.250 .40lbs
20CG46 2.300 .42lbs
20CG47 2.350 .44lbs
20CG48 2.400 .46lbs
20CG49 2.450 .48lbs
20CG50 2.500 .50lbs
20CG51 2.550 .52lbs
20CG52 2.600 .54lbs
20CG53 2.650 .56lbs
20CG54 2.700 .58lbs
20CG55 2.750 .60lbs
20CG56 2.800 .62lbs
20CG57 2.850 .64lbs
20CG58 2.900 .66lbs
20CG59 2.950 .68lbs
20CG60 3.000 .72lbs
20CG61 3.050 .76lbs
20CG62 3.100 .79lbs
20CG63 3.150 .82lbs
20CG64 3.200 .83lbs
20CG65 3.250 .85lbs
20CG66 3.300 .91lbs
20CG67 3.350 .94lbs
20CG68 3.400 .97lbs
20CG69 3.450 .99lbs
20CG70 3.500 1.00lbs
20CG71 3.550 1.10lbs
20CG72 3.600 1.10lbs
20CG73 3.650 1.10lbs
20CG74 3.700 1.20lbs
20CG75 3.750 1.20lbs
20CG76 3.800 1.20lbs
20CG77 3.850 1.30lbs
20CG78 3.900 1.30lbs
20CG79 3.950 1.40lbs
20CG80 4.000 1.40lbs
20CG81 4.050 1.40lbs
20CG82 4.100 1.40lbs
20CG83 4.150 1.50lbs
20CG84 4.200 1.50lbs
20CG85 4.250 1.50lbs
20CG86 4.300 1.60lbs
20CG87 4.350 1.60lbs
20CG88 4.400 1.60lbs
20CG89 4.450 1.60lbs
20CG90 4.500 1.70lbs
20CG91 4.550 1.70lbs
20CG92 4.600 1.80lbs
20CG93 4.650 1.80lbs
20CG94 4.700 1.80lbs
20CG95 4.750 1.90lbs
20CG96 4.800 1.90lbs
20CG97 4.850 2.00lbs
20CG98 4.900 2.00lbs
20CG99 4.950 2.00lbs
20CG100 5.000 2.10lbs
20CG101 5.050 2.10lbs
20CG102 5.100 2.20lbs
20CG103 5.150 2.20lbs
20CG104 5.200 2.30lbs
20CG105 5.250 2.30lbs
20CG106 5.300 2.40lbs
20CG107 5.350 2.40lbs
20CG108 5.400 2.40lbs
20CG109 5.450 2.50lbs
20CG110 5.500 2.50lbs
20CG111 5.550 2.60lbs
20CG112 5.600 2.60lbs
20CG113 5.650 2.70lbs
20CG114 5.700 2.70lbs
20CG115 5.750 2.70lbs
20CG116 5.800 2.80lbs
20CG117 5.850 2.80lbs
20CG118 5.900 2.90lbs
20CG119 5.950 2.90lbs
20CG120 6.000 3.00lbs
16 Diametral Pitch - 1/2" Face - 14 1/2º Pressure Angle - - 3/4" Bore With 2 - 3/16" x 3/32" Keyways 180º Apart
16CG20 1.250 .06lbs
16CG21 1.312 .07lbs
16CG22 1.375 .09lbs
16CG23 1.437 .11lbs
16CG24 1.500 .14lbs
16CG25 1.562 .16lbs
16CG26 1.625 .19lbs
16CG27 1.687 .20lbs
16CG28 1.750 .23lbs
16CG29 1.812 .25lbs
16CG30 1.875 .29lbs
16CG31 1.937 .32lbs
16CG32 2.000 .32lbs
16CG33 2.062 .35lbs
16CG34 2.125 .38lbs
16CG35 2.187 .41lbs
16CG36 2.250 .46lbs
16CG37 2.312 .48lbs
16CG38 2.375 .51lbs
16CG39 2.437 .55lbs
16CG40 2.500 .58lbs
16CG41 2.562 .61lbs
16CG42 2.625 .64lbs
16CG43 2.687 .69lbs
16CG44 2.750 .74lbs
16CG45 2.812 .76lbs
16CG46 2.875 .80lbs
16CG47 2.937 .84lbs
16CG48 3.000 .88lbs
16CG49 3.062 .92lbs
16CG50 3.125 .97lbs
16CG51 3.187 1.00lbs
16CG52 3.250 1.10lbs
16CG53 3.312 1.10lbs
16CG54 3.375 1.10lbs
16CG55 3.437 1.20lbs
16CG56 3.500 1.20lbs
16CG57 3.562 1.30lbs
16CG58 3.625 1.30lbs
16CG59 3.687 1.40lbs
16CG60 3.750 1.40lbs
16CG61 3.812 1.50lbs
16CG62 3.875 1.50lbs
16CG63 3.937 1.60lbs
16CG64 4.000 1.60lbs
16CG65 4.062 1.70lbs
16CG66 4.125 1.70lbs
16CG67 4.187 1.80lbs
16CG68 4.250 1.90lbs
16CG69 4.312 1.90lbs
16CG70 4.375 2.00lbs
16CG71 4.437 2.10lbs
16CG72 4.500 2.10lbs
16CG73 4.562 2.20lbs
16CG74 4.625 2.20lbs
16CG75 4.687 2.30lbs
16CG76 4.750 2.40lbs
16CG77 4.812 2.50lbs
16CG78 4.875 2.50lbs
16CG79 4.937 2.60lbs
16CG80 5.000 2.70lbs
16CG81 5.062 2.70lbs
16CG82 5.125 2.80lbs
16CG83 5.187 2.90lbs
16CG84 5.250 2.90lbs
16CG85 5.312 3.00lbs
16CG86 5.375 3.10lbs
16CG87 5.437 3.20lbs
16CG88 5.500 3.20lbs
16CG89 5.562 3.30lbs
16CG90 5.625 3.40lbs
16CG91 5.687 3.50lbs
16CG92 5.750 3.50lbs
16CG93 5.812 3.70lbs
16CG94 5.875 3.80lbs
16CG95 5.937 3.90lbs
16CG96 6.000 4.00lbs
16CG97 6.062 4.10lbs
16CG98 6.125 4.20lbs
16CG99 6.187 4.20lbs
16CG100 6.250 4.30lbs
16CG101 6.312 4.40lbs
16CG102 6.375 4.50lbs
16CG103 6.437 4.60lbs
16CG104 6.500 4.70lbs
16CG105 6.562 4.70lbs
16CG106 6.625 4.80lbs
16CG107 6.687 4.90lbs
16CG108 6.750 5.00lbs
16CG109 6.812 5.10lbs
16CG110 6.875 5.20lbs
16CG111 6.937 5.30lbs
16CG112 7.000 5.40lbs
16CG113 7.062 5.50lbs
16CG114 7.125 5.60lbs
16CG115 7.187 5.70lbs
16CG116 7.250 5.80lbs
16CG117 7.312 5.90lbs
16CG118 7.375 6.00lbs
16CG119 7.437 6.10lbs
16CG120 7.500 6.20lbs
16CG121 7.562 6.30lbs
16CG122 7.625 6.40lbs
16CG123 7.687 6.50lbs
16CG124 7.750 6.60lbs
16CG125 7.812 6.70lbs
16CG126 7.875 6.80lbs
16CG127 7.937 6.90lbs
16CG128 8.000 7.00lbs
16CG129 8.062 7.10lbs
Change Gears
12CG20 1.666 .26lbs
12CG21 1.750 .32lbs
12CG22 1.833 .37lbs
12CG23 1.916 .42lbs
12CG24 2.000 .49lbs
12CG25 2.083 .53lbs
12CG26 2.166 .60lbs
12CG27 2.250 .66lbs
12CG28 2.333 .73lbs
12CG29 2.416 .80lbs
12CG30 2.500 .87lbs
12CG31 2.583 .95lbs
12CG32 2.666 1.00lbs
12CG33 2.750 1.10lbs
12CG34 2.833 1.20lbs
12CG35 2.916 1.20lbs
12CG36 3.000 1.30lbs
12CG37 3.083 1.40lbs
12CG38 3.166 1.50lbs
12CG39 3.250 1.60lbs
12CG40 3.333 1.70lbs
12CG41 3.416 1.80lbs
12CG42 3.500 1.90lbs
12CG43 3.583 2.00lbs
12CG44 3.666 2.10lbs
12CG45 3.750 2.20lbs
12CG46 3.833 2.30lbs
12CG47 3.916 2.40lbs
12CG48 4.000 2.50lbs
12CG49 4.083 2.60lbs
12CG50 4.166 2.70lbs
12CG51 4.250 2.80lbs
12CG52 4.333 2.90lbs
12CG53 4.416 3.00lbs
12CG54 4.500 3.20lbs
12CG55 4.583 3.30lbs
12CG56 4.666 3.40lbs
12CG57 4.750 3.60lbs
12CG58 4.833 3.70lbs
12CG59 4.916 3.80lbs
12CG60 5.000 4.00lbs
12CG61 5.083 4.10lbs
12CG62 5.166 4.20lbs
12CG63 5.250 4.40lbs
12CG64 5.333 4.50lbs
12CG65 5.416 4.60lbs
12CG66 5.500 4.80lbs
12CG67 5.583 4.90lbs
12CG68 5.666 5.20lbs
12CG69 5.750 5.40lbs
12CG70 5.833 5.50lbs
12CG71 5.916 5.70lbs
12CG72 6.000 5.80lbs
12CG73 6.083 6.00lbs
12CG74 6.166 6.20lbs
12CG75 6.250 6.40lbs
12CG76 6.333 6.60lbs
12CG77 6.416 6.80lbs
12CG78 6.500 6.90lbs
12CG79 6.583 7.10lbs
12CG80 6.666 7.20lbs
12CG81 6.750 7.40lbs
12CG82 6.833 7.60lbs
12CG83 6.916 7.80lbs
12CG84 7.000 8.00lbs
12CG85 7.083 8.20lbs
12CG86 7.166 8.40lbs
12CG87 7.250 8.60lbs
12CG88 7.333 8.80lbs
12CG89 7.416 9.00lbs
12CG90 7.500 9.20lbs
12CG91 7.583 9.40lbs
12CG92 7.666 9.60lbs
12CG93 7.750 9.80lbs
12CG94 7.833 10.00lbs
12CG95 7.916 10.20lbs
12CG96 8.000 10.50lbs
12CG97 8.083 10.60lbs
12CG98 8.166 11.00lbs
12CG99 8.250 11.10lbs
12CG100 8.333 11.40lbs
12CG101 8.416 11.60lbs
12CG102 8.500 11.90lbs
12CG103 8.583 12.20lbs
12CG104 8.666 12.40lbs
12CG105 8.750 12.60lbs
12CG106 8.833 12.90lbs
12CG107 8.916 13.10lbs
12CG108 9.000 13.30lbs
12CG109 9.083 13.50lbs
12CG110 9.166 13.90lbs
12CG111 9.250 14.10lbs
12CG112 9.333 14.30lbs
12CG113 9.416 14.60lbs
12CG114 9.500 14.90lbs
12CG115 9.583 15.10lbs
12CG116 9.666 15.30lbs
12CG117 9.750 15.60lbs
12CG118 9.833 15.90lbs
12CG119 9.916 16.20lbs
12CG120 10.000 16.50lbs
10CG20 2.000 .53lbs
10CG21 2.100 .69lbs
10CG22 2.200 .85lbs
10CG23 2.300 .96lbs
10CG24 2.400 1.00lbs
10CG25 2.500 1.10lbs
10CG26 2.600 1.20lbs
10CG27 2.700 1.30lbs
10CG28 2.800 1.40lbs
10CG29 2.900 1.50lbs
10CG30 3.000 1.60lbs
10CG31 3.100 1.70lbs
10CG32 3.200 1.90lbs
10CG33 3.300 2.00lbs
10CG34 3.400 2.20lbs
10CG35 3.500 2.40lbs
10CG36 3.600 2.50lbs
10CG37 3.700 2.60lbs
10CG38 3.800 2.80lbs
10CG39 3.900 3.00lbs
10CG40 4.000 3.20lbs
10CG41 4.100 3.40lbs
10CG42 4.200 3.60lbs
10CG43 4.300 3.70lbs
10CG44 4.400 3.90lbs
10CG45 4.500 4.10lbs
10CG46 4.600 4.30lbs
10CG47 4.700 4.50lbs
10CG48 4.800 4.70lbs
10CG49 4.900 4.90lbs
10CG50 5.000 5.20lbs
10CG51 5.100 5.40lbs
10CG52 5.200 5.60lbs
10CG53 5.300 5.90lbs
10CG54 5.400 6.10lbs
10CG55 5.500 6.40lbs
10CG56 5.600 6.60lbs
10CG57 5.700 6.80lbs
10CG58 5.800 7.00lbs
10CG59 5.900 7.30lbs
10CG60 6.000 7.60lbs
10CG61 6.100 7.90lbs
10CG62 6.200 8.20lbs
10CG63 6.300 8.40lbs
10CG64 6.400 8.70lbs
10CG65 6.500 9.00lbs
10CG66 6.600 9.30lbs
10CG67 6.700 9.60lbs
10CG68 6.800 9.90lbs
10CG69 6.900 10.20lbs
10CG70 7.000 10.50lbs
10CG71 7.100 10.80lbs
10CG72 7.200 11.20lbs
10CG73 7.300 11.50lbs
10CG74 7.400 11.80lbs
10CG75 7.500 12.10lbs
10CG76 7.600 12.50lbs
10CG77 7.700 12.80lbs
10CG78 7.800 13.10lbs
10CG79 7.900 13.50lbs
10CG80 8.000 13.90lbs
10CG81 8.100 14.40lbs
10CG82 8.200 14.80lbs
10CG83 8.300 15.10lbs
10CG84 8.400 15.40lbs
10CG85 8.500 15.70lbs
10CG86 8.600 16.10lbs
10CG87 8.700 16.50lbs
10CG88 8.800 16.80lbs
10CG89 8.900 17.20lbs
10CG90 9.000 17.60lbs
10CG91 9.100 18.00lbs
10CG92 9.200 18.40lbs
10CG93 9.300 18.90lbs
10CG94 9.400 19.30lbs
10CG95 9.500 19.70lbs
10CG96 9.600 20.00lbs
10CG97 9.700 20.00lbs
10CG98 9.800 21.00lbs
10CG99 9.900 21.00lbs
10CG100 10.000 22.00lbs
8CG20 2.500 1.20lbs
8CG21 2.625 1.30lbs
8CG22 2.750 1.50lbs
8CG23 2.875 1.70lbs
8CG24 3.000 1.90lbs
8CG25 3.125 2.10lbs
8CG26 3.250 2.30lbs
8CG27 3.375 2.50lbs
8CG28 3.500 2.80lbs
8CG29 3.625 3.00lbs
8CG30 3.750 3.30lbs
8CG31 3.875 3.50lbs
8CG32 4.000 3.80lbs
8CG33 4.125 4.10lbs
8CG34 4.250 4.40lbs
8CG35 4.375 4.70lbs
8CG36 4.500 5.00lbs
8CG37 4.625 5.30lbs
8CG38 4.750 5.70lbs
8CG39 4.875 6.00lbs
8CG40 5.000 6.30lbs
8CG41 5.125 6.70lbs
8CG42 5.250 7.00lbs
8CG43 5.375 7.40lbs
8CG44 5.500 7.80lbs
8CG45 5.625 8.20lbs
8CG46 5.750 8.60lbs
8CG47 5.875 9.00lbs
8CG48 6.000 9.40lbs
8CG49 6.125 9.80lbs
8CG50 6.250 10.30lbs
8CG51 6.375 10.70lbs
8CG52 6.500 11.10lbs
8CG53 6.625 11.50lbs
8CG54 6.750 12.00lbs
8CG55 6.875 12.50lbs
8CG56 7.000 13.00lbs
8CG57 7.125 13.50lbs
8CG58 7.250 14.00lbs
8CG59 7.375 14.50lbs
8CG60 7.500 15.00lbs
8CG61 7.625 15.50lbs
8CG62 7.750 16.00lbs
8CG63 7.875 16.60lbs
8CG64 8.000 17.30lbs
8CG65 8.125 17.80lbs
8CG66 8.250 18.30lbs
8CG67 8.375 18.90lbs
8CG68 8.500 19.50lbs
8CG69 8.625 20.00lbs
8CG70 8.750 21.00lbs
8CG71 8.875 21.00lbs
8CG72 9.000 22.00lbs
8CG73 9.125 22.00lbs
8CG74 9.250 23.00lbs
8CG75 9.375 24.00lbs
8CG76 9.500 24.00lbs
8CG77 9.625 25.00lbs
8CG78 9.750 25.00lbs
8CG79 9.875 27.00lbs
8CG80 10.000 27.00lbs
8CG81 10.125 28.00lbs
8CG82 10.250 28.00lbs
8CG83 10.375 29.00lbs
8CG84 10.500 30.00lbs
8CG85 10.625 31.00lbs
8CG86 10.750 32.00lbs
8CG87 10.875 32.00lbs
8CG88 11.000 33.00lbs
8CG89 11.125 33.00lbs
8CG90 11.250 34.00lbs
8CG91 11.375 35.00lbs
8CG92 11.500 36.00lbs
8CG93 11.625 37.00lbs
8CG94 11.750 38.00lbs
8CG95 11.875 39.00lbs
8CG96 12.000 40.00lbs
8CG97 12.125 40.00lbs
8CG98 12.250 41.00lbs
8CG99 12.375 42.00lbs
8CG100 12.500 43.00lbs