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Velvet Drive Hydraulic Transmission-72 Gear Only
A 1:1 (direct drive*) hydraulic transmission that can shift from forward to neutral "finger-tip" easy with virtually no noise. It has forward, neutral, and reverse positions. Order the Model-71 gear for motors up to 355 cu.in. and the Model-72 for motors up to 500 cu.in. For a complete adaptation to an automotive motor order the following: Bell Housing (to suit motor), Drive Plate, Oil Cooler and Hoses, and Propeller Shaft Flange.
Uses oil type: GM Dexron III, Ford Mercon, Daimler-Benz 236.6 or any SAE 10 hydraulic oil that meets Allison Type C3, Caterpillar TO-2 or equivalent specifications. Oil capacity: 5 US quarts (4.9 liters).
Some high performance applications may result in foaming and leakage from transmission's vent. Under these circumstances, Velvet-Drive suggest using oils meeting Allison Type C3 or Caterpillar TO-2 specifications. In addition, it may be necessary to experiment with fluid level in these applications.
(*) Other reduction gear ratios available on special order; write for quotation.
Checking oil level.
Assembly drawing.
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