PVK‑2B‑32‑P Fan Pump for Hitachi 450‑3

3 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

4 year

Product details

Fan Pump for Hitachi 450‑3, Hitachi 470‑6, Hitachi 490‑5A, Hitachi 890

Fan Pump for Kobelco 500 / 520‑10

Fan Pump for John Deere 470G

PVK‑2B‑32‑P Hydraulic Pump

Product Overview

This PVK‑2B‑32‑P hydraulic fan pump is a dedicated cooling system hydraulic component, widely fitted for large excavators including Hitachi 450‑3, 470‑6, 490‑5A, Hitachi 890, Kobelco 500 / 520‑10 and John Deere 470G. Installed in the excavator cooling circuit of the hydraulic system, it drives the cooling fan to control radiator temperature, prevents engine over‑heating under heavy‑load working conditions. It is a critical spare part for excavator thermal management.

Main Technical Parameters

- Model: PVK‑2B‑32‑P

- Type: Gear‑type fan hydraulic pump

- Displacement: 32 cc/rev

- Working pressure: 12‑18 MPa

- Rotation direction: Standard as original equipment

- Installation form: Direct mounting to engine / pump housing

- Medium: Anti‑wear hydraulic oil

- Operating temperature range: ‑20℃ ~ +85℃

- Application machines:

Hitachi 450‑3, 470‑6, 490‑5A, Hitachi 890 Excavator

Kobelco 500‑10, 520‑10 Excavator

John Deere 470G Excavator

Working Principle

Driven by engine power, the PVK‑2B‑32‑P hydraulic pump outputs regulated flow to the fan motor. By adjusting oil flow and pressure, the fan speed is automatically controlled. It maintains optimal temperature for water radiator, hydraulic oil cooler and intercooler. Stable oil delivery avoids high‑temperature alarm, engine power reduction and component burn‑out caused by overheating of the whole machine.

Core Advantages

1. Strictly follow original mounting dimensions, direct replacement without modification.

2. Precise internal clearance, low internal leakage, stable volumetric efficiency during long‑time continuous operation.

3. High‑strength gear pair and bearing assembly, good wear‑resistance, suitable for heavy‑duty construction site environment.

4. Stable pressure output, fan speed responds sensitively, effectively solves excavator high‑temperature failure.

5. Complete interchangeability for Hitachi, Kobelco, John Deere large‑size excavator cooling system.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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4 year

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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