This is the main hydraulic pump responsible for generating the high-pressure fluid flow required to operate all hydraulic functions on the excavator. It is manufactured to meet stringent OEM material and performance standards, ensuring superior durability and efficiency compared to worn or failing units. Operators may notice a significant loss of power, sluggish movement, or complete hydraulic system failure when this pump is compromised.
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.
Initial signs of a failing main hydraulic pump include a noticeable decrease in lifting capacity and slower boom, stick, and bucket movements. If left unaddressed, the pump's performance will continue to degrade, leading to intermittent hydraulic system operation and potential overheating. Continued operation with a compromised pump risks damage to other critical hydraulic components.
Thoroughly flush the hydraulic system to remove any debris before installing the new pump, as contaminants can quickly damage new components. Avoid overtightening hydraulic line fittings, which can strip threads or crack adapters.
Inspect hydraulic fluid, filters, and all hoses and seals for wear or damage when replacing the main hydraulic pump.