HA4VSO Axial Piston Pump for Agricultural Machinery

Product Introduction

The HA4VSO axial piston variable displacement pump is a high-performance hydraulic solution designed exclusively for agricultural machinery. With a continuous working pressure of 350 bar and a maximum pressure of 400 bar, this swash plate-type pump delivers reliable hydraulic power for heavy-duty tractors and combine harvesters. Engineered with modular construction and advanced control technology, it ensures long service life, high efficiency, and optimal adaptation to modern farming equipment.

Applications

• Large Tractors: Power steering, lifting systems, and hydraulic transmission.

• Combine Harvesters: Reliable drive for cutting, threshing, and grain handling mechanisms.

• Agricultural Implements: Hydraulic operation for plows, seeders, and sprayers.

Advantages

• High Pressure Capability: Continuous operation at 350 bar ensures strong hydraulic force.

• Variable Displacement: Swash plate design allows precise flow adjustment according to load demand.

• Energy Efficiency: Matches flow output with system requirements, minimizing fuel consumption.

• Durable Materials: Built with cast iron and alloy steel, resistant to wear and harsh farm environments.

• Low Noise Operation: Optimized port design reduces vibration and noise.

Specifications

Manufacturing Process

1. Material Selection – high-strength steel and cast iron.

2. Precision CNC Machining – ensures accurate tolerances.

3. Heat Treatment – improves hardness and fatigue resistance.

4. Assembly & Testing – each pump undergoes pressure and flow testing.

5. Surface Treatment – anti-corrosion coating for agricultural use.

Usage Instructions

• Fill with clean hydraulic oil before startup.

• Maintain oil cleanliness at NAS class 9 or better.

• Avoid exceeding rated pressure and speed.

• Regularly inspect filters and hoses for contamination.

After-Sales Service

• Warranty: 12 months from delivery.

• Spare Parts: Genuine replacements for fast service.

• Technical Support: Remote and on-site assistance.

• Maintenance Training: Guidance for operators and service staff.

FAQ

Q1: Can the HA4VSO pump work with bio-based hydraulic fluids?
A1: Yes, compatible with HF fluids under reduced operating data.

Q2: Is it suitable for small tractors?
A2: It is primarily designed for large tractors and combines, not compact equipment.

Q3: What is the expected service life?
A3: With proper maintenance, service life exceeds 20,000 hours.