803081151 Double Variable Piston Pump Replacement for XCMG Truck Crane

Toprun Parts is a professional supplier of XCMG construction machinery spare parts. The 803081151 double variable piston pump is the core hydraulic main pump specially matched for XCMG series truck cranes, widely used as the power source of crane lifting, slewing and telescopic hydraulic system. Our replacement hydraulic pump adopts the same structure and processing standard as OEM parts, perfectly solving the problems of insufficient power, slow operation and pressure leakage of old XCMG crane main pumps.

1. Product Overview of 803081151 XCMG Crane Hydraulic Pump

Model No.: 803081151
Official Name: Double Variable Displacement Axial Piston Pump
Application Scene: Main hydraulic power unit of XCMG mobile truck crane
Working System: Load sensitive double pump confluence hydraulic system
Medium Applicable: Anti-wear hydraulic oil
Core Function: Provide stable variable flow for multi-action composite operation of truck crane, improve lifting efficiency and operation smoothness.

This dual variable piston pump integrates two variable pump bodies in one assembly, realizing independent oil supply and combined flow output. It is the standard original matching pump for medium and large tonnage XCMG truck cranes, compatible with multiple XCT, QY series crane chassis hydraulic circuits. All internal components such as cylinder block, plunger, retainer plate and valve plate are made of high-strength alloy steel, with low wear and strong anti-high pressure performance.

2. Core Advantages of XCMG Double Variable Piston Pump 803081151

• Double pump confluence technology: Fast single action speed, stable composite operation, lifting efficiency increased by 13% compared with single pump structure

• High pressure resistance: Rated working pressure up to 32MPa, peak pressure 35MPa, adapt to heavy lifting long-term load

• Precise variable control: Quick response of variable mechanism, millimeter-level micro-operation of crane winch, luffing and boom extension

• Low noise & high efficiency: Full static pressure balance swash plate design, small internal friction, volumetric efficiency over 94%, effectively reduce fuel consumption

• Strong durability: Forged alloy cylinder block, wear-resistant valve plate, extend service life under mine, road construction and high-frequency operation

• 1:1 OEM interchangeable: Direct replacement of original pump, no modification required for pipeline and installation interface, convenient on-site maintenance

3. Complete Technical Specification Table

4. Compatible XCMG Truck Crane Models

This 803081151 double variable piston pump fits mainstream XCMG medium & large tonnage truck cranes: QY50KA, QY70KC, XCT50, XCT70, XCT90, XCT100 series mobile truck cranes.

If you are not sure about your crane model, send your chassis serial number to our sales team for accurate matching verification.

5. Matching Related Hydraulic Spare Parts for XCMG Crane

We supply full set supporting hydraulic accessories for 803081151 piston pump, click internal links to view details:

• XCMG Crane Hydraulic Main Control Valve Assembly

• Hydraulic Pump Seal Repair Kit for XCMG Pump

• Load Moment Limiter System Assembly

• XCMG Crane Slewing & Luffing Hydraulic Motor

• Hydraulic Oil Filter Element for XCMG Truck Crane

All matched spare parts are in stock, you can purchase one-stop complete hydraulic system parts to save procurement and logistics cost.

6. Toprun Parts Service & Supply Support

Toprun Parts specializes in XCMG, Weichai, Zoomlion construction machinery replacement parts for over 10 years, exporting to Middle East, Southeast Asia, Africa, Latin America and Central Asia.

• Complete stock of XCMG hydraulic pumps, injectors, sensors, filter kits, engine spare parts

• Accept small batch trial order, MOQ 1 piece for after-sales maintenance dealers

• Professional technical team to provide model matching, installation guidance and fault troubleshooting

• Long-term wholesale discount for crane rental company, repair shop and machinery distributor

• Original quality replacement parts, cost-effective alternative to expensive OEM official parts

7. Packing & Delivery Details

• Packing: Standard export fumigated wooden case with shockproof foam inside, prevent collision damage during sea/air transportation

• Shipment: Within 2–5 working days after deposit confirmation

• Logistics Support: Sea freight, air freight, international express DHL/Fedex/TNT optional

• Shipping Document: Provide commercial invoice, packing list, customs declaration document for customs clearance

Related XCMG Hydraulic Pump Products

• 803081150 Double Variable Piston Pump for XCMG Crane

• XAP80 Single Variable Piston Pump XCMG Excavator

• XCMG Crane Hydraulic Gear Pump Assembly

View All XCMG Truck Crane Replacement Parts