This main hydraulic pump is the heart of the excavator's hydraulic system, generating the high-pressure fluid flow required for all major functions like digging, lifting, and traveling. It is constructed with precision-machined components to deliver consistent performance, unlike a worn pump that may produce insufficient flow or pressure. Operators will typically observe a significant loss of power, slow or unresponsive implement movements, and potentially overheating of the hydraulic fluid when this pump begins to fail.
Always verify with serial number before ordering.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
From the same category — may also be needed
Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India
Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The most immediate symptom of a failing main hydraulic pump is a noticeable reduction in the speed and power of all hydraulic functions, making the machine feel weak. If ignored, the pump's output will continue to decline, potentially leading to overheating of the hydraulic system and an inability to perform essential tasks. This can result in significant downtime and reduced productivity.
Ensure the hydraulic system is completely flushed and clean before installing a new pump to prevent contamination from damaging the new unit. Always prime the pump according to the manufacturer's instructions before initial startup.
Replace the hydraulic filter and inspect the hydraulic fluid for any signs of wear particles when installing a new main hydraulic pump.