Gear Oil

Richmond Synthetic Gear Oils are designed to provide maximum protection and performance under the most demanding conditions. Formulated with high quality, thermally stable, synthetic base stocks and exclusive pressure, limited slip additives which stay in suspension. This 75W/140 High Performance Gear Lubricant is designed for High Performance Racing Differentials, and Posi-Traction units. Richmond Synthetic Gear Oils exceed manufacturer specifications for use in heavy duty car, light truck and commercial truck applications.

Richmond GL-4 Multi-Purpose Petroleum Gear Oil is formulated to provide outstanding protection under adverse conditions. For use in transaxles and transmissions where specified. Will not harm brass, bronze, copper and other soft metals used in synchronizers, bushings and other components typically found in classic manual transmissions and transaxles from Richmond, Borg-Warner, Muncie, New Process, Saginaw, etc. Richmond GL-4 Multi-Purpose Petroleum Gear Oil contains no friction modifiers. It can also be used in automotive, light and commercial truck heavy duty differentials, where applicable. It is not compatible with synthetic oils or additives.

RICHGL4 Application Notes


1 Year or 50,000 Miles

RICHGL4 Specifications

American Petroleum Institute Grade Rating 80w90
Bottle Volume 1 (Quart)
Oil Application Type Gear Oil
Part Number – Old TLUBE
Synthetic No
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