INJECTOR GP-FUEL 20R5392 - Caterpillar

We have published the following specifications to help you determine which lubricant is best suited to your application. Your lubricant supplier should assure you his product meets this specification. If there is any doubt as to the suitability of a lubricant, contact the Paccar Winch Service Department, providing a detailed copy of the product specifications.Prevailing Ambient Temperature
A - CAT TO4 SAE30
B - CAT TO4 SAE 10W30
C - CAT TO4 SAE 10W
D - CAT TO4 SAE 5W20 spc. Basic Oil Requirements
15,000 SUS maximum allowed viscosity at cold start-up; requires extended equipment warm-up. 3,000 SUS maximum allowed viscosity at cold start-up; requires normal equipment warm-up. 60 SUS minimum allowed viscosity at maximum winch operating temperature, assuming ambient plus 80°F (27°C).Oil must possess high temperature oxidation stability, rust corrosion protection, good dispersant and detergent characteristics, anti-wear additives and remain compatible with nitrile base seals.