Unlocking Performance with Growshine Hydraulic Pumps & Motors

At Growshine International, we are your premier source for high-quality engineering machinery parts , heavy truck parts, agricultural machinery parts, and automotive parts. We specialize in the import and export of a vast range of components, including a comprehensive selection of hydraulic pumps and motors. Our mission is to provide global customers with reliable, durable, and cost-effective solutions for their heavy equipment needs. We understand the importance of finding the right part quickly and efficiently, which is why our catalog features thousands of products from leading brands like Volvo , Parker , CAT , John Deere , and more. Whether you need a replacement hydraulic pump for a Caterpillar D6R or a specific Rexroth A4VG series repair kit, we have you covered.

Our commitment to quality means we provide both OEM and high-standard aftermarket parts. Finding the right hydraulic gear pump or hydraulic piston pump is crucial for maintaining your machinery's performance. That's why we meticulously list each product with its corresponding part numbers, ensuring you get the exact match you need. For instance, a Caterpillar 428D hydraulic pump might have multiple compatible numbers, like 185-5918 or 10R-0533, and at Growshine, we ensure you have all the information to make the right choice. Our expertise in China parts export and our robust global supply chain allows us to offer competitive pricing and fast delivery to anywhere in the world. We are dedicated to being a leading hydraulic parts supplier , offering everything from complete units to essential hydraulic repair kits for complex systems like the K3V and A10VG series.

Essential Hydraulic Components & Their Functions

Understanding the role of each component in your machinery's hydraulic system is key to proper maintenance and repair. At Growshine, we not only supply parts but also provide the knowledge you need. For example, a charge pump is a small gear pump that supplies pressurized fluid to the main piston pump, preventing cavitation and ensuring efficient operation. For instance, a Rexroth A4VG56 pump might utilize a charge pump with a 9T spline to maintain pressure. Similarly, a pilot pump provides low-pressure oil to control valves, allowing the operator to control various hydraulic functions with minimal effort. Think of the Kawasaki K3V hydraulic pump on a Komatsu PC360-7 excavator; its pilot pump is essential for precise digging and swinging. Our hydraulic drive motor products, such as the one for a Bobcat Skid-Steer Loader with part number 7312928, convert hydraulic pressure into rotational force to move the machine. This is a critical component for heavy equipment maintenance and hydraulic system repair . We also offer swing motors for excavators, like the Kawasaki M5X180 on a CAT E330D , which enables the upper structure to rotate smoothly. We can provide the specific part numbers like 1077054 or 171-9410 for your convenience.

Glossary of Parts:

• Hydraulic Piston Pump: A fluid pump that uses pistons to move fluid. It is essential for generating high pressure in hydraulic systems for demanding tasks like digging. For example, the Rexroth A4VG90DA is a variable displacement piston pump used in many Volvo excavators .
• Hydraulic Gear Pump: A positive displacement pump that uses meshing gears to pump fluid. It is often used as a charge pump or for auxiliary functions. A great example is the John Deere F680147 gear pump used in John Deere tractors.
• Hydraulic Motor: A mechanical actuator that converts hydraulic pressure into rotary motion and torque. It is vital for driving wheels, tracks, or other rotating components. The Eaton 74328DBY hydraulic motor is a common example.
• Travel Motor: A specific type of hydraulic motor that provides power for a machine's mobility, such as on an excavator or skid-steer loader. The TM07 travel motor is used on Hyundai DH55 and DH60-7 mini excavators. (RU: Ходовой двигатель)
• Swing Motor: A hydraulic motor dedicated to the rotation (swing) of an excavator's superstructure. The Kawasaki M5X180 swing motor is found on the Hitachi EX330 excavator. (ZH: 摆动马达)
• Vane Pump: A positive displacement pump that consists of vanes mounted to a rotor that rotates inside a cavity. The Bobcat 6648982 vane pump is used in Bobcat Skid-Steer Loaders .
• Planetary Reducer (Gearbox): A compact gearbox that reduces speed and increases torque. It is often used in the final drive of excavators and concrete mixers. A P7300 planetary reducer is found in concrete mixer trucks .
• Fuel Injection Pump: A device that pumps fuel into the cylinders of a diesel engine. The Perkins 9320A215G fuel injection pump is used in Perkins 1104C-44T and CAT 3054C engines. (RU: ТНВД)
• Control Valve: A component that controls the flow rate and direction of hydraulic fluid. The Caterpillar 173-0640 control valve is an important part of a Caterpillar 349-5918 hydraulic pump.
• Charge Pump: A small pump used to supply fluid to the main pump to prevent cavitation and ensure a continuous supply of oil. The charge pump for a Rexroth A4VG71 is a good example. (ZH: 充油泵)

We are a trusted name in Growshine International machinery parts and strive to provide comprehensive fluid power solutions to our global clients.

Common Machinery Questions & Solutions

Customers often ask about common issues they encounter with their machinery. Here are a few quick tips and solutions related to our products and services:

Q1: Why is my excavator's swing speed slow?
A slow swing speed is often a symptom of low hydraulic pressure to the swing motor. This could be caused by a faulty swing motor, a worn-out swing motor seal kit , or an issue with the pilot pressure supply from the main pump. Check the swing brake and relief valve settings first. If the problem persists, you may need a new swing motor, such as a Kawasaki M5X180 , or a swing motor repair kit which we can supply.

Q2: How do I choose the right hydraulic pump for my truck?
Selecting the correct hydraulic pump for a truck depends on the application, fluid flow rate, and pressure requirements. For concrete mixer trucks, you'll need a specialized pump like the A4VTG71 series. Always match the part number (e.g., A4VTG71HW/32L-NLD10F001S) to ensure compatibility. Consulting a professional or providing us with your machine's make and model is the best way to ensure a perfect fit.

Q3: How do I fix my Caterpillar D6H XR with a hydraulic steering fault?
A common issue with hydraulic steering on a CAT D6H XR is a sudden loss of power or slow response. This is often caused by a failing steering pump or a blocked steering valve. Check for fluid leaks, and inspect the main pump, which could be the CAT 9T-8647 or a related part. The solution could be replacing the pump or cleaning/replacing the relief valve. If the issue is severe, a complete pump repair kit might be necessary.

As a global leader in fluid power solutions , Growshine provides the parts and expertise to keep your equipment running smoothly.

Our Extensive Product Catalog

Below is a categorized list of our high-quality hydraulic pumps, motors, and other machinery parts. Every part number is meticulously listed to help you find the exact component you need for your hydraulic system maintenance and durable components sourcing.