Hitachi ZX450-3 ZX450LC-3 ZX470R-3 ZX470H-3 ZX470LCH-3 ZX500LC-3 ZX520LCH-3 Main

OEM PN: 4633472, 4633474 | Kawasaki K5V200DPH | Genuine / Refurbished / Aftermarket New | BELPARTS Excavator Spare Parts

• Part Name: Tandem Variable Displacement Axial Piston Main Pump with Integrated Pilot Gear Pump, Model K5V200DPH
• Official OEM Part Numbers:

  Main Assembly: 4633472, 4633474

  Cross Interchange PN: 4432815, 9199338, 9129693

  Kawasaki Model: K5V200DPH-XMXR-OE02 / K5V200DPH-NMXR-OE02

• Compatible 45–52 Ton Medium-Large Excavator Models:

  Hitachi ZX450-3, ZX450LC-3

  Hitachi ZX470R-3 (Reduced Swing), ZX470H-3 (Heavy Duty), ZX470LCH-3 (High Lift Long Carriage)

  Hitachi ZX500LC-3, ZX520LCH-3

• Available Conditions:

  ✅ Genuine Original Factory New

  ✅ Professionally Fully Refurbished (All wear parts replaced + bench calibrated)

  ✅ High Precision Premium Aftermarket New

• Warranty Policy:

  12 months warranty for Genuine & Refurbished pumps; 6–12 months for aftermarket assemblies

• Net Weight: Approx. 295 kg
• Stock Status: In stock, shipped out within 3–7 working days after order confirmation

• Exact original Kawasaki K5V200DPH design, perfectly matched to Isuzu AA-6WG1T engine power curve & Hitachi Dash-3 generation hydraulic control system
• Equipped with load sensing + constant horsepower dual control system, reduces fuel consumption and prevents engine stall under heavy excavation, quarrying and bulk earthmoving loads
• Built-in pilot gear pump supplies stable pilot pressure to control boom, arm, bucket, travel and swing hydraulic circuits
• Direct bolt-on OEM replacement design, identical mounting flange, port layout, internal oil passages and spline drive shaft; no cutting, machining or modifiion required during field repair installation
• Thick high-strength nodular cast iron housing, hardened cylinder block, wear-resistant piston assembly and valve plate, engineered for long-cycle harsh heavy-duty working conditions
• Every unit undergoes full pressure calibration, internal leakage inspection and overall performance bench test before delivery; ISO9001 & CE certified

• Pump Structure: Twin variable axial piston pump assembly
• Single Side Displacement: 200 cm³/rev
• Rated Implement Working Pressure: 31.9 MPa (319 bar)
• Maximum Travel Relief Pressure: 35.3 MPa (353 bar)
• Total Theoretical Output Flow: Approx. 720 L/min @ 1800 RPM
• Pilot Pump Output: 30 L/min, Working Pressure: 3.9 MPa
• Rotation Direction: Counterclockwise (viewed from engine input side)
• Drive Shaft: OEM-matched internal multi-tooth spline dimension

ZX450-3, ZX450LC-3, ZX470R-3, ZX470H-3, ZX470LCH-3, ZX500LC-3, ZX520LCH-3

4633472, 4633474, 4432815, 9199338, 9129693

ZX450H-3, ZX470LC-3 series excavators

• Over 13 years specialized in hydraulic pumps for 45–52 ton Hitachi medium-large excavators
• Three quality grades optional: genuine original Hitachi/Kawasaki factory unit, fully rebuilt refurbished pump, cost-effective high-performance aftermarket replacement
• Rigorous pre-delivery QC procedure: full pressure testing, internal leakage detection and efficiency verifiion before shipment
• Adequate inventory stored in Guangzhou warehouse, flexible sea freight & air freight global shipping solutions
• Professional engineering team provides installation troubleshooting and long-term technical after-sales support
• Economical cost-saving alternative vs expensive Hitachi genuine OEM spare parts

A: Yes, 4633472 / 4633474 universal K5V200DPH main pump assembly is fully compatible with standard chassis, long carriage, heavy-duty, short tail swing and high-lift configurations.

A: They are superseded upgraded interchange OEM part numbers for the identical K5V200DPH main pump assembly, fully interchangeable for field repair replacement.

A: Refurbished pump replaces all worn internal consumable parts (piston, valve plate, cylinder block, oil seals), fully bench-calibrated to OEM performance standard with competitive price; Genuine New is original factory brand-new assembly complying with full OEM specifiion.

A: Products are ready in stock, dispatched within 3–7 working days after order confirmation; global sea & air shipping options available.