At Growshine International, we are your premier partner for high-quality engineering machinery parts, heavy truck parts, agricultural machinery parts, and auto parts. Our extensive inventory includes a full range of hydraulic components from industry leaders like Rexroth, Kawasaki, Sauer, Vickers, and Parker. Whether you're a repair shop, a parts distributor, or an end-user, our mission is to provide reliable and efficient solutions for all your machinery needs. We specialize in sourcing and delivering hard-to-find parts for excavators, cranes, drilling rigs, and concrete pump trucks. Our commitment to excellence ensures that you receive only the best quality products for your projects.

As a leading heavy machinery parts supplier and construction equipment components exporter, Growshine has built a reputation for reliable service and comprehensive product offerings. Our product portfolio is vast, covering everything from main pumps to pilot pumps and hydraulic motors. We offer a wide selection of Rexroth A10VSO and A10VO series pumps, including models like the A10VSO71, A10VSO100, and A10VSO140, which are essential for various applications. For instance, the A10VSO71DFR1 is a key variable piston pump for XCMG loaders, ensuring smooth and precise operation.

We also stock a variety of Kawasaki hydraulic pump accessories, including the popular K3V112DT and K3V140DT models, which are a common choice for excavators. Our inventory extends to Sauer PV23 variable displacement pumps, crucial for harvesters, and Eaton 5423/6423 hydraulic pumps for concrete mixer trucks. Our expertise in hydraulic pump repair and maintenance allows us to not only supply new parts but also offer professional repair services, ensuring your equipment operates at peak performance.

Beyond main pumps, we supply a comprehensive range of hydraulic pump accessories and auxiliary components. This includes Rexroth A4VG charge pumps for models like A4VG125 and A4VG250, vital for maintaining proper system pressure. We also provide a variety of hydraulic gear pumps, such as the CBGJ2080/2063 for loaders and the JHP63/50/32 for cranes. Our lineup also features high-efficiency hydraulic motors like the Rexroth A6VM80 and A6VM107 variable motors for drilling rigs, and Sauer 90M55 motors for road rollers.

Growshine International is a reliable partner for hydraulic system components wholesale. We understand the critical role these parts play in your machinery. For example, a common issue in a Caterpillar 345D excavator is a malfunctioning fan pump. This can be caused by a worn-out piston pump, leading to insufficient pressure and engine overheating. The solution is to replace the faulty A10VO18ED72 fan pump with a new one and inspect the entire cooling system to prevent future failures. Our service also includes providing specialized tools like the portable hydraulic pump test bench and digital hydraulic pressure tester for easy diagnosis and repair.

Technical Glossary: Key Hydraulic Components

Piston Pump: A positive displacement pump that uses pistons to move fluid. Essential for generating high pressure in systems that require precise control.
Example: Komatsu PC300-7 Main Hydraulic Pump.
Русский: Поршневой насос: Насос с положительным смещением, который использует поршни для перемещения жидкости.
中文: 柱塞泵：一种容积式泵，利用柱塞往复运动来输送液体，常用于需要高压和精确控制的系统。

Hydraulic Motor: A mechanical actuator that converts hydraulic pressure and flow into torque and angular displacement.
Example: Hitachi Zaxis 330-2 Travel Motor.
Русский: Гидравлический мотор: Механический исполнительный механизм, который преобразует гидравлическое давление и поток в крутящий момент и угловое смещение.
中文: 液压马达：一种将液压能转换为机械能的执行器，产生扭矩和旋转运动。

Swing Motor: A type of hydraulic motor specifically used to rotate the upper structure (cab and boom) of an excavator or crane.
Example: Kubota KX080-3 Swing Motor.
Русский: Поворотный мотор: Тип гидравлического мотора, используемого для поворота верхней конструкции экскаватора или крана.
中文: 回转马达：一种专门用于驱动挖掘机或起重机上部结构（驾驶室和动臂）旋转的液压马达。

Travel Motor: A hydraulic motor that provides power to the tracks or wheels of a mobile machine, enabling it to move.
Example: Komatsu PC200-8 Travel Motor.
Русский: Ходовой мотор: Гидравлический мотор, который обеспечивает мощность гусеницам или колесам мобильной машины, позволяя ей двигаться.
中文: 行走马达：一种为移动机械的履带或车轮提供动力的液压马达，使其能够行走。

Charge Pump: A small gear pump or piston pump that supplies oil to the main pump's control system and replenishes system losses.
Example: Rexroth A4VG125 Charge Pump.
Русский: Зарядный насос: Небольшой шестеренчатый или поршневой насос, который подает масло в систему управления основного насоса.
中文: 补油泵：一种小型齿轮泵或柱塞泵，用于向主泵的控制系统供油并补充系统损耗。

Hydraulic Valve: A component used in a hydraulic system to control the direction, pressure, and flow of hydraulic fluid.
Example: P80 Series Multi-way Valve for Agricultural Machinery.
Русский: Гидравлический клапан: Компонент, используемый в гидравлической системе для управления направлением, давлением и потоком гидравлической жидкости.
中文: 液压阀：用于控制液压系统中流体方向、压力和流量的元件。

Gear Pump: A type of hydraulic pump that uses the meshing of gears to pump fluid by displacement. They are simple, reliable, and relatively inexpensive.
Example: XCMG ZL50 Loader Gear Pump.
Русский: Шестеренчатый насос: Тип гидравлического насоса, использующего зацепление шестерен для перекачки жидкости.
中文: 齿轮泵：一种利用齿轮啮合产生的位移来泵送流体的液压泵。

Hydraulic Test Bench: A piece of equipment used to test and diagnose hydraulic pumps, motors, and other components under controlled conditions to ensure they meet performance specifications.
Example: Hydraulic Pump & Motor Repair Test Bench.
Русский: Гидравлический испытательный стенд: Оборудование, используемое для тестирования и диагностики гидравлических насосов, моторов.
中文: 液压试验台：用于在受控条件下测试和诊断液压泵、马达和其他元件的设备。

Main Control Valve: A critical component in a hydraulic system, often located near the main pump, that directs hydraulic fluid to various actuators (cylinders, motors) to perform work.
Example: Excavator PC200-8 Main Control Valve.
Русский: Главный распределительный клапан: Критический компонент в гидравлической системе, который направляет гидравлическую жидкость к различным исполнительным механизмам.
中文: 主控制阀：液压系统中的关键部件，通常位于主泵附近，负责将液压油导向各个执行器（油缸、马达）以执行工作。

Pilot Valve: A small valve that uses low-pressure hydraulic fluid to control the main control valve, providing smooth and precise control of the machine's functions.
Example: CAT 320D Pilot Valve.
Русский: Пилотный клапан: Небольшой клапан, который использует низкое давление гидравлической жидкости для управления главным распределительным клапаном.
中文: 先导阀：使用低压液压油来控制主控制阀的小型阀门，提供平稳和精确的机器功能控制。

Common Questions Answered

• How do I know if my hydraulic pump is failing? Common signs of a failing pump include slow or weak machine movements, overheating of the hydraulic system, strange noises like whining or grinding, and a noticeable drop in power.
• What is the difference between an open and closed loop hydraulic system? An open loop system returns excess fluid directly to the tank, while a closed loop system recirculates fluid back to the pump. Closed-loop systems are more efficient and are commonly used in hydrostatic drive applications like on road rollers.
• Can I use a different brand of hydraulic oil? It is highly recommended to stick with the specific type and viscosity of hydraulic oil specified by the equipment manufacturer. Using the wrong oil can lead to premature wear of components and system failure.