Cotta speed reducer

Model AR2053A is a heavy duty reduction gear having anti-engine rotation that includes a clutch and mounts to an engine for a compact package with proper alignment. The gears are helical and carburized for ultimate strength and endurance. Gears are designed per AGMA specifications. The bearings are tapered roller and the case is heavy cast iron. A wide variety of ratios are available.

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CAPACITY (nominal input torque): 300 lb. ft.

MAXIMUM INPUT SPEED: With C108 or C110 clutch - 3000 RPM, With SP111 or SP211 clutch - 2850 RPM

RATIOS: (STANDARD): 1.55, 2.0, (SPECIAL) 1:1, 1.4, 1.63, 1.80, 2.23, 2.50, 3.0 (3.94 is a special ratio - not available with SP211 clutch)


CLUTCHES: C108, C110, SP111, SP211

OUTPUT SHAFT: 2.250" diameter, 5" long 5/8 x 5/16 keyway

REAR SUPPORT: 4 holes 1/2-13 on rear cover for customer’s support plate


WEIGHT: 400 lbs

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