Hydraulic system degradation in your Komatsu HM400 Articulated Dump Truck? The Hydraulic Main Pump GP (7081W02260) drives core functions from steering to bed lifting. Our mining-grade replacement delivers uncompromised performance:
✅ Precision-matched OEM specs (708-1W-02260)
✅ 3,620 PSI operating pressure
✅ Vibration-resistant construction
Critical Failure Symptoms:
• Extended dump cycle time (>45 seconds)
• Steering lag on inclines
• Hydraulic whining during PTO engagement
• Oil leaks at pump housing
• Error Code HCA00/HCA01 activation
Technical Specifications:
-
Part Numbers: 7081W02260, 708-1W-02260, GP-7081W02260
-
Type: Triple-gear main hydraulic pump
-
Flow Rate: 130 L/min @ 2,200 rpm
-
Peak Pressure: 250 bar (3,620 PSI)
-
Compatible Models:
› HM400-1 (SN: 5001-59999)
› HM400-2 (SN: A50001-A59999)
› HM400-3 (SN: B50001-B59999)
› HM400-5 (SN: D50001-D59999)
› HM400-6 (SN: E50001-E59999)
Engineering Innovations:
▶ Forged manganese housing – withstands rock impact
▶ Hardened helical gears – 32% longer service life
▶ Quad-seal shaft design – IP69K dust/mud protection
▶ Dynamic pressure balancing – reduces cavitation
Mine-Proven Reliability:
“7081W02260 pumps achieved 8,000hr MTBF in limestone quarry HM400-5 fleet” – 2024 Komatsu MineOps Report
#7081W02260 #708-1W-02260 #HydraulicPumpGP #KomatsuDumpTruck #HM400 #HydraulicMainPump #MiningTruckPump #HM400HydraulicPump #ArticulatedDumpTruck #OEMHydraulicPump #HeavyDutyHydraulics #KomatsuParts #DumpTruckMainPump #OffRoadEquipment #HydraulicPumpReplacement
All products