Cotta speed reducer

Model GR15A is a heavy duty anti-engine rotation reduction gear. A clutch and bell housing is included for mounting 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 anti-friction and the case is cast iron. A wide variety of ratios are available.

Contact Us

CAPACITY (nominal input torque): 1450 lb. ft.

MAXIMUM INPUT SPEED: 2300 RPM

RATIOS: 1.08, 1.16, 1.26, 1.36, 1.47, 1.60, 1.73, 1.89, 2.05, 2.25, 2.46

BELL HOUSINGS: SAE #1, #1/2, #0, #00

CLUTCHES: IBF214, SP314, SP218 14" and 18" rubber block drives and flywheel couplings

OUTPUT SHAFT: 4.000" diameter, 9" long with 1" x 1/2" keyway

REAR SUPPORT: Two mounting feet provided

LUBRICATION: Lube pump furnished, 25 pints sump capacity

Cooling: A heat exchanger furnished

WEIGHT: 1180 lbs

Cotta Transmission Logo

Authorized Distributor

Palmer Johnson is an authorized distributor and service provider for Cotta Transmission products.

Genuine Parts

Thousands of parts ready to ship in as little as two hours from our store at shop.pjpower.com.

Service and Support

Seven master rebuild centers, ten full-service centers, and an extensive dealer network to serve you.