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High Pressure Variable Displacement A4VG Series Hydraulic Axial Piston Pump for Closed Circuit Mobile Machinery

A4VG series is a professional swash plate variable piston pump designed for closed-circuit hydraulic systems. Featuring high pressure resistance, stepless flow adjustment and stable closed-loop power output, it supports multiple control methods. With compact structure and strong anti-shock performance, it adapts to long-term heavy-load operation of mobile engineering machinery.

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Introduction to the A4VG Series Hydraulic Axial Piston Pump

The A4VG hydraulic piston pump is a core power component specially developed for closed hydraulic transmission systems. It covers multiple mainstream displacement specifications and adopts mature swash plate variable structure. Through precision machining and strict factory pressure and durability tests, the pump maintains stable and efficient hydraulic output under continuous heavy-load and frequent start-stop working conditions, meeting the high reliability requirements of mobile engineering equipment.

Details of the A4VG Series Hydraulic Axial Piston Pump

FEATURES

Features of the A4VG Series Hydraulic Axial Piston Pump

Stable Closed-Circuit Performance

Stable Closed-Circuit Performance

The pump supports stable high-pressure operation in closed circuits for reliable mobile machinery transmission.

 Precise Variable Flow

Precise Variable Flow

Stepless flow adjustment accurately matches equipment power and operating speed requirements.

Flexible Control Options

Flexible Control Options

Hydraulic and electric proportional control modes adapt to different automatic control systems.

Efficient and Impact Resistant

Efficient and Impact Resistant

Optimized sealing and friction structures reduce internal leakage, while durable components withstand demanding impact loads.

Compact and Easy to Replace

Compact and Easy to Replace

The integrated body saves installation space, and standardized interfaces enable quick replacement and convenient maintenance.

APPLICATIONS

Related Application

Hydraulic Axial Piston Pump for Construction

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Provides closed-circuit drive power for pavers, graders, road rollers and concrete machinery under heavy construction loads.

Hydraulic Axial Piston Pump for Agriculture

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Provides reliable hydraulic power for tractors, harvesters, and other agricultural machinery.

Hydraulic Axial Piston Pump for Marine

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Delivers reliable closed-circuit hydraulic drive for marine deck machinery and mobile port equipment.

Hydraulic Axial Piston Pump for Mining

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Serves mining mobile equipment with high-pressure output, impact resistance and dependable closed-circuit operation.

Hydraulic Axial Piston Pump for Metallurgy

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Powers heavy metallurgical handling equipment requiring compact installation and stable variable flow.

Products Feedback

Questions & Answers

Can you customize products to my specifications?

Absolutely. We provide OEM/ODM services and can manufacture according to your samples or technical drawings.

How quickly can you deliver products?

For in-stock items, we can ship within 3 days. For custom or non-stock items, delivery usually takes 7–15 days. We’ll confirm exact timing based on current inventory.

Is there a minimum order quantity?

Yes, but it’s flexible. Spare parts often have an MOQ of 1 piece, while complete pumps or motors vary by model—please inquire for details.

Are you a factory or a trading company?

We are a hybrid—both a manufacturer and a trading company. We produce our own products and also source specific components to offer complete solutions.

How do you ensure product quality?

We follow strict quality control protocols. All parts undergo CNC machining and heat treatment, and each is 100% tested before delivery to guarantee precision and reliability.

What payment methods do you accept?

We accept T/T, L/C, Western Union, Alibaba Trade Assurance, and VISA. For new customers, we usually require full prepayment or a 30% deposit with the balance due before shipment.

What shipping methods are available?

We offer flexible shipping via express carriers (DHL, FedEx, UPS) and sea freight (CIF/FOB). We can also deliver to your designated freight forwarder in China.

What is the warranty period for your products?

All products come with a 1-year warranty, provided they are installed and operated under normal conditions.

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