Mechanical speed variator ZERO MAX

Designed for use on a wide variety of machinery, Zero-Max Drives may be used as primary or secondary drives.

The speed range is infinitely adjustable from 0 to 1/4 of the input speed under full rated load. Reversible models are available with reverse and neutral settings.


They are available in five sizes providing constant torque of 12 to 200 inch pounds throughout the speed range. To achieve the exact performance characteristics you require, Zero-Max Adjustable Speed Drives are available with optional gearheads, motors and C-flange adapters. Some Zero-Max Drives may be purchased with standard electric motors or they may be connected to any rotating power source up to 2000 RPM.

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