Cotta speed reducer

Model SR3A 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): 1400 lb. ft.


RATIOS: 1.38, 1.58, 1.82, 2.00, 2.44, 3.04


CLUTCHES: SP211, SP114, SP214, SP314, SP218

OUTPUT SHAFT: 3.500" diameter, 5" long 7/8 x 7/16 keyway

REAR SUPPORT: 4 holes 5/8-11 on rear cover for customer’s support plate


WEIGHT: 940 lbs

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