The 259-0815 piston pump is a hydraulic axial piston pump primarily used as a fan drive pump in Caterpillar (CAT) construction machinery, specifically designed for 330D and 336D excavators powered by C9 engines. This high-pressure variable displacement pump controls cooling fan speed to maintain optimal engine temperatures.
Cat Parts
Cat Parts
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Key Applications and Features:
Primary Use: Hydraulic fan motor pump for CAT 330D/336D series excavators.
Function: Controls the cooling fan speed for hydraulic system efficiency, ensuring optimal engine temperatures and improving fuel economy.
Key Components: Features load sense pressure compensation to regulate the swash plate angle, allowing for variable flow.
Compatibility: Fits CAT 330D, 330D L, 336D, 336D L, 340D L, and related models.