51602 U3336 71 : Overhead Guard Assembly with Pillar CHAIN 50 providing stable output flow despite providing stable output flow despite fluctuations in pressure and or viscosity Precision engineered with accurate finishing for high accuracy Parts may be designed to be interchangeable for easier maintenance and repairs Constructed with carefully selected materials and heat treatment for long durability Design and Operation: Operates on the "gear within a gear" principle common to internal gear pumps Consists of a rotor gear (larger exterior driven gear) and an idler gear (smaller interior gear) Creating a low pressure zone at the suction port 91446 00901 This manufacturer approved Overhead Guard Assembly with Pillar (part number 51602 U3336 71) is specifically manufactured for select Toyota Forklifts