804011459 hydraulic power unit gear pump XCMG XS125 road roller spare parts

Short Description:

804011459 Hydraulic Power Unit Gear Pump is the core oil‑supply component of hydraulic power unit for XCMG XS125 road roller. It outputs pressure oil through volume change generated by gear meshing, and supplies stable oil flow and working pressure for relevant hydraulic actuators. Complete assembly replacement is required when pump suffers internal leakage, insufficient pressure, abnormal noise or housing wear & crack to guarantee reliable oil supply of hydraulic system.

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Product Detail

Product Tags

description

Part number: 804011459
Part name: hydraulic power unit gear pump
Unit name: hydraulic system
Applicable Models: XCMG XS125 vibratory road roller

Compatible with XCMG Road Roller XS125. Suitable for medium‑small tonnage roller working conditions including township road construction, community site compaction, small‑scale infrastructure subgrade treatment and parking lot leveling compaction. For maintenance replacement when machine has slow hydraulic action, low system pressure, abnormal pump noise or pump‑body oil seepage & leakage. Fit for original spare‑part replacement, overseas project maintenance in Middle East and Southeast Asia, overhaul and refurbishment of hydraulic power unit for XS125 road roller.

Number	Parts Name	Quantity
1	FLANGE	1
2	SCREW	2
3	GB/T93 5 RONDELLA	2
4	GEAR PUMP	1
5	COUPLING	1
6	C122-24V-800W MOTOR	1
7	GB/T93 6 RONDELLA	2
8	GB/T70.1 M6×20-8.8 SCREW	2
9	MANUAL PISTON	1
10	VALVE BLOCK	1

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advantages

Flow and pressure parameters match hydraulic power unit system of XS125 road roller for stable oil supply output
High‑precision gear pair with good volumetric efficiency and reduced internal leakage under high‑pressure condition
Reliable housing strength, adapt to complex site environment with vibration and temperature fluctuation
Oil‑port size and mounting flange holes are fully consistent with original machine, direct installation without modification on pipelines and base

FAQ

Q: Can only gear components be replaced instead of whole pump for low pump pressure?
A: If pump housing and bearing seat are already worn, gear replacement alone cannot restore performance. It is recommended to replace complete gear‑pump assembly.
Q: What are common causes for insufficient pressure after new gear‑pump installation?
A: Check oil‑suction pipeline air leakage, insufficient oil level and relief‑valve setting firstly. Inspect pump body only after external factors are excluded.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.