This is a main hydraulic pump, essential for delivering pressurized fluid to operate the excavator's primary functions like digging, lifting, and traveling. It is manufactured to meet rigorous OEM quality standards, offering superior reliability and performance over a worn pump that struggles to maintain adequate flow and pressure. Operators may notice symptoms such as slow or jerky boom, stick, and bucket movements, reduced travel speed, and an audible whining sound emanating from the pump.
Always verify with serial number before ordering.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
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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.
Early indicators of a failing main hydraulic pump include a noticeable loss of power during operation and slower response from the boom, stick, and bucket. If the issue persists, the pump will struggle to maintain system pressure, leading to erratic movements and potential overheating. Ignoring these symptoms can result in damage to other hydraulic components and extended downtime.
Thoroughly clean the hydraulic system and reservoir before installation to prevent any residual contaminants from damaging the new pump. Ensure the pump shaft is properly aligned with the drive coupling to avoid premature wear on the shaft or coupling.
Inspect the hydraulic system for leaks, clean the hydraulic oil cooler, and replace the hydraulic filter element.