This is a high-performance Hydraulic Axial Piston Pump designed for the main hydraulic systems of Volvo articulated dump trucks. It is engineered to deliver precise hydraulic flow and pressure, essential for operating the lift, steering, and braking functions under heavy loads. A worn or failed pump will exhibit a noticeable loss of hydraulic power, sluggish operation, and potentially audible whining or grinding noises.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A noticeable decrease in lifting speed, sluggish steering response, or a whining noise from the hydraulic system often indicates a failing hydraulic pump. If left unaddressed, the machine may lose its ability to lift loads or steer effectively, severely impacting operational capability and potentially causing delays.
Ensure the hydraulic system is thoroughly flushed and clean before installing the new pump to prevent contamination. Do not overtighten the mounting bolts, as this can distort the pump housing.
Always replace the hydraulic filter element and inspect the hydraulic fluid for contamination when servicing or replacing the main hydraulic pump.