M4 Series-vane Motor

M4 Series-vane Motor Overview

The Parker M4 Series Vane Motor is a fixed-displacement hydraulic motor designed for medium- to heavy-duty applications. It converts hydraulic energy into mechanical torque and rotation through a balanced vane design, offering high starting torque, excellent volumetric efficiency, low noise, smooth low-speed performance, and reversible rotation. The modular cartridge construction allows easy maintenance and flexible displacement adjustment. Typical displacement ranges from 24.4 cm³/rev to 222 cm³/rev, with continuous working pressure up to 230 bar (≈ 3335 psi) and speeds up to about 4000 rpm, depending on the model (M4C, M4D, M4E). The M4 series is widely used in winches, cranes, marine drives, anchor machines, construction and mobile equipment, or any hydraulic systems requiring frequent direction changes and high reliability. It performs well under harsh environments and can operate with low-lubricity fluids. 

Key Features:

1. High Efficiency – Advanced vane design ensures smooth flow and high volumetric efficiency, reducing energy loss.

2. Compact Structure – Small size with high power density, easy to install in limited spaces.

3. Low Noise Operation – Optimized hydraulic balancing minimizes vibration and noise levels.

4. Durable Materials – Precision-machined components made from high-strength materials for long service life.

5. Wide Application Range – Suitable for industrial, mobile, and marine hydraulic systems.

Advantages:

• Stable and Reliable Performance – Consistent torque output under varying load conditions.

• Energy Saving – High efficiency and low leakage reduce power consumption.

• Easy Maintenance – Simple internal structure allows quick disassembly and repair.

• Cost-Effective Solution – Combines performance, durability, and efficiency at a competitive price.

• Customizable Options – Available in various displacements and mounting configurations.

Application

1. Industrial Hydraulic Systems

2. Mobile Equipment

3. Construction and Engineering Machinery

4. Metallurgy and Steel Industry

5. Marine and Offshore Equipment

Packaging & Delivery

Vane pumps are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.

Certifications & Quality Assurance

All vane pumps are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.

Technical Date:

FAQ

1.Are you a manufacture for the vane pump or a wholesale ?

We are a manufacture for vane pumps。.We are located in Changzhou City, Jiangsu Province, China.Welcome to visit us.

2.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.

3.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.

4.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.

5.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).

The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.

The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.

Green Hydraulic's manufacturing facilities for hydraulic pumps maintain stringent quality standards, often adhering to international certifications, to meet the expectations of customers in industries such as construction, agriculture, automotive, and manufacturing.

All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.

To meet the diverse needs of different industries, the green hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.

Each pump undergoes a rigorous quality control process, where pressure tests and performance assessments are conducted to ensure that the pumps meet the required standards for flow rate, pressure capacity, and durability.