Hydraulic Pump for Caterpillar 330B Excavator

3 week ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

4 year

Product details

Hydraulic Pump for Caterpillar 330B Excavator

Hydraulic Pump for Caterpillar 305.5E / 306E Excavator

Product Overview

Hydraulic Pump for Caterpillar 330B Excavator is a heavy‑duty Hydraulic piston pump, also known as the main hydraulic pump. It supplies pressurized hydraulic oil for the complete hydraulic system of the excavator Machine. This replacement unit delivers steady power for digging, slewing, travelling and bucket operations. With precise internal assembly and durable components, it is well‑suited for direct replacement of worn‑out original parts and new equipment overhaul.

Technical Specifications

- Compatible Machine: Caterpillar 330B Excavator

- Product Type: Hydraulic piston pump, main hydraulic pump

- Working medium: Hydraulic oil

- Rated pressure: Excavator high‑pressure working grade

- Operating temperature: -20℃ ~ +85℃

- Installation: Direct bolt‑on mounting

- Condition: Aftermarket replacement assembly

Working Principle

As the heart of the excavator hydraulic system, this Hydraulic piston pump converts mechanical power from the engine into hydraulic energy. Driven by the engine output, internal pistons reciprocate to absorb and discharge high‑pressure oil. Pressurized fluid flows through pipelines to drive cylinders, swing motor and travel motor of the Machine, completing all excavation‑related movements. Stable pump performance guarantees normal execution of every action of the whole hydraulic system.

Key Advantages

1. Robust internal piston assembly, stable output pressure for the hydraulic system

2. Strict manufacturing tolerance, low noise and small internal leakage

3. Perfect fit for Caterpillar 330B excavator Machine, direct installation without extra modification

4. Excellent wear resistance, long service life under heavy‑load construction conditions

5. Complete assembly, convenient disassembly and on‑site maintenance, ideal aftermarket replacement hydraulic pump

Application Scope

This Hydraulic piston pump acts as the main power source for Caterpillar 330B excavator. It is widely applied in construction‑site excavation, earth‑moving, quarrying and engineering operation scenarios. It provides power support for every functional module inside the complete hydraulic system of this heavy‑duty Machine.

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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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