HPK300AS | OEM YB60000246 | Cross PN: 9298855, 9195239 | New Aftermarket | BELPARTS Mining Excavator Parts
1. Basic Information
Part Name: Tandem Variable Displacement Axial Piston Main Pump with Integrated Pilot Pump, HPK300AS series
Official OEM Part Numbers:
Primary PN: YB60000246 Interchange PN: 9298855, 9195239, YB60000244 Pump Model: HPK300AS
Compatible Large Excavator Models:
Hitachi ZX670LC-5G, ZX670LCH-5G, ZX670LCR-5G, ZX870-5G, ZX870LC-5G
Also fits ZX870LCH-5G, ZX870LCR-5G
Machine Class: 67–87 ton heavy mining & quarry excavator
Available Condition: Genuine Original New / Factory Remanufactured / Premium Aftermarket New
Warranty: 12 months for original & reman pumps; 6–12 months for aftermarket assemblies
Net Weight: Approx. 410 kg
Stock Status: In stock, ships within 3–7 working days
2. Key Features
Original Hitachi HPK300AS design, perfectly matched to HIOS IIIB hydraulic system & Isuzu 6WG1 engine power curve for -5G generation machines
Equipped with electronic proportional displacement control, load sensing + constant horsepower dual regulation to cut fuel consumption and prevent engine stall under heavy mining loads
Built-in pilot gear pump supplies stable control pressure for boom, arm, bucket, travel and swing hydraulic circuits
Direct bolt-on replacement, identical mounting flange, port layout and spline drive shaft, no machining or modification required during installation
Thick high-strength nodular cast iron housing, reinforced cylinder block, hardened piston & valve plate for long-cycle harsh mining operation
Every pump undergoes full pressure calibration, internal leakage inspection and overall performance bench test; ISO9001 & CE certified