A6VM Series Variable Piston Motor

A6VM Series Variable Piston Motor

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

A6VM Series Variable Piston Motor

Product Overview

A6VM Series Variable Piston Motor is a swashplate variable displacement Hydraulic piston motor, a key power output component for the hydraulic system of heavy-duty mobile Machine. As a high-performance hydraulic motor, it converts hydraulic energy from the hydraulic system into rotary mechanical torque to drive the walking, winch and rotation mechanisms of engineering Machine. This series Hydraulic piston motor is widely applied in closed hydrostatic transmission circuits, supporting automatic switching between large and small displacement. It can realize low-speed high-torque and high-speed low-torque working modes to match variable load requirements of the Machine.

A6VM series covers multiple displacement options, including 28, 55, 80, 107, 160cc and more. Both original and domestic replacement versions are available, with identical mounting dimensions and oil port layout, which allows direct replacement without modifying the existing hydraulic system.

Technical Specifications

- Model: A6VM Series Variable Piston Motor

- Type: Variable displacement Hydraulic piston motor / hydraulic motor

- Displacement options: 28cc, 55cc, 80cc, 107cc, 160cc

- Rated pressure: up to 400 bar

- Peak pressure: up to 450 bar

- Structure: Swashplate axial piston design

- Working medium: Anti-wear hydraulic mineral oil

- Control modes: HD, EP, HA and other control types optional

- Application: Closed-loop hydraulic system for mobile heavy-duty Machine

- Feature: High torque, compact structure, high volumetric efficiency

Working Principle

High-pressure hydraulic oil delivered by the hydraulic system enters the cylinder block of this Hydraulic piston motor. Pressurized oil pushes the pistons against the angled swashplate to generate rotary motion for the output shaft. By adjusting the swashplate angle, this variable hydraulic motor changes its displacement. When the Machine needs heavy load operation, the motor switches to large displacement for high torque output; when high-speed travel is required, it switches to small displacement. The whole adjustment process relies on pressure feedback signal from the hydraulic system, realizing automatic matching between power output and working load. Heavy-duty bearings and precision piston pairs ensure stable rotation under continuous heavy load and vibration.

Core Advantages

1. A6VM Hydraulic piston motor features high volumetric efficiency and strong overload resistance, delivering stable power output for the hydraulic system of Machine.

2. Multiple control modes and displacement selections to satisfy different working conditions of construction and mining Machine.

3. Robust cast housing and premium sealing components, excellent shock and vibration resistance, reliable performance under harsh site environments.

4. Standard installation interface, interchangeable with original parts, convenient for overhaul and spare part replacement without redesigning the hydraulic system.

5. Cost-effective aftermarket spare parts, ideal for hydraulic distributors stocking parts for global export business.

Application Range

This series hydraulic motor serves as the drive component in hydraulic system of road pavers, crawler transporters, drilling rigs, concrete pump trucks and other heavy mobile engineering Machine. It is mainly used for hydrostatic travel drive and winch drive, widely adopted for new machine assembly and equipment maintenance replacement.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

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

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