When it comes to maintaining heavy machinery like the Caterpillar 773D, 773E, and 775E mining trucks, using reliable and high-quality parts is essential. Our inventory includes genuine and new aftermarket gear pumps specifically designed for these robust machines. We understand the demanding conditions of mining sites, and our products are built to perform under pressure, ensuring your equipment operates at peak efficiency. The 244-3304 gear pump is a critical component for the hydraulic system, providing the necessary pressure for various functions on the truck.

Shandong Jufengyuan is a leading supplier of heavy machinery parts, serving global markets. We specialize in components for major brands, including Sandvik Parts, Atlas Copco Parts, Epiroc Parts, Cummins Parts, Deutz Parts, Carterpillar Parts, Montabert Parts, Furukawa Parts, Komatsu Parts, Hitachi Parts, Volvo Parts, Liebherr Parts, Hyundai Parts, Metso Parts, Sany Parts, and XCMG Parts. Our extensive product line ensures that you can find everything you need for mining truck parts, excavator parts, drill rig parts, and loader parts.

Key Components & Applications for Mining and Construction

Our core business revolves around providing durable and reliable parts for the most demanding applications. We stock a wide array of components, from hydraulic pumps for excavators to engine repair kits and undercarriage parts for bulldozers. We are your one-stop shop for all construction machinery spares and mining equipment aftermarket parts.

Hydraulic Cylinder: A hydraulic cylinder is a mechanical actuator used to provide a unidirectional force through a unidirectional stroke. It is installed on the boom, arm, or bucket of an excavator.            
           Example: Sandvik DD422i Driller Hydraulic Cylinder.            
           中文: Sandvik DD422i 钻机液压油缸.            
           Русский: Гидравлический цилиндр Sandvik DD422i.

Rock Drill: A rock drill is a drilling tool used to create holes in rock. It is typically mounted on the boom of a drill rig.            
           Example: Atlas Copco Boomer L1D Drill Rig Rock Drill.            
           中文: Atlas Copco Boomer L1D 钻机凿岩机.            
           Русский: Перфоратор Atlas Copco Boomer L1D.

Drive Shaft: A drive shaft is a mechanical component for transmitting torque and rotation. It is located in the powertrain, connecting the engine to the wheels.            
           Example: Epiroc MT42 Dump Truck Drive Shaft.            
           中文: Epiroc MT42 自卸车传动轴.            
           Русский: Приводной вал Epiroc MT42.

Seal Kit: A seal kit contains various seals and O-rings to prevent fluid leakage. It is used for repairing hydraulic cylinders and pumps.            
           Example: Sandvik DP1500 Drifter Seal Kit.            
           中文: Sandvik DP1500 凿岩机密封件.            
           Русский: Комплект уплотнений Sandvik DP1500.

Cutter Bit: A cutter bit is a drilling tool for cutting through rock and soil. It is attached to the drill head of a roadheader.            
           Example: Atlas Copco MB1700 Breaker Cutter Bit.            
           中文: Atlas Copco MB1700 破碎锤截齿.            
           Русский: Режущая долото Atlas Copco MB1700.

Final Drive: A final drive is the last gearbox in a powertrain, reducing speed and increasing torque. It is located in the tracks or wheels of the machine.            
           Example: Epiroc Pit Viper 271 Drill Rig Final Drive.            
           中文: Epiroc Pit Viper 271 钻机终传动.            
           Русский: Бортовой редуктор Epiroc Pit Viper 271.

Hydraulic Motor: A hydraulic motor is a mechanical actuator that converts hydraulic pressure into rotary motion. It is used for powering rotation in various applications like swing drives.            
           Example: Sandvik LH517 Loader Hydraulic Motor.            
           中文: Sandvik LH517 装载机液压马达.            
           Русский: Гидравлический мотор Sandvik LH517.

Cylinder Liner: A cylinder liner is a cylindrical part installed in the engine block to form a cylinder. It is located inside the engine block.            
           Example: Atlas Copco XAS 186 Air Compressor Cylinder Liner.            
           中文: Atlas Copco XAS 186 空压机缸套.            
           Русский: Гильза цилиндра Atlas Copco XAS 186.

Torque Converter: A torque converter is a type of fluid coupling used in automatic transmissions to transfer rotating power from an engine to a transmission. It is located between the engine and the transmission.            
           Example: Epiroc Boomer E1C Drill Rig Torque Converter.            
           中文: Epiroc Boomer E1C 钻机液力变矩器.            
           Русский: Гидротрансформатор Epiroc Boomer E1C.

Turbocharger: A turbocharger is a turbine-driven forced induction device that increases an engine's efficiency and power by forcing extra air into the combustion chamber. It is mounted on the engine exhaust manifold.            
           Example: Sandvik DI550 DTH Drill Turbocharger.            
           中文: Sandvik DI550 潜孔钻机涡轮增压器.            
           Русский: Турбокомпрессор Sandvik DI550.

Our Business and Commitment

We are Shandong Jufengyuan Machinery Parts Co., Ltd., a professional mining machinery parts supplier and construction equipment parts manufacturer. Our mission is to provide global clients with high-quality, cost-effective replacement parts. We offer custom parts fabrication and OEM parts development services to meet specific project needs. We are a direct source for aftermarket Caterpillar parts, heavy equipment hydraulic components, and excavator engine parts.

Our core services include wholesale heavy machinery parts and export trade of construction equipment parts. We pride ourselves on being a factory direct heavy equipment parts supplier, ensuring competitive pricing and fast delivery. We can also assist with Caterpillar truck parts sourcing and mining vehicle maintenance solutions. Whether you need a hydraulic pump for a Caterpillar 775E or a transmission component for a 773D, we have the right solution for you.

Comprehensive Support for Your Fleet

We offer a comprehensive range of parts and services to keep your machinery running. From engine rebuild kits and hydraulic pumps to transmission components and undercarriage parts, our vast inventory caters to various models and applications. We specialize in providing heavy duty machinery parts for demanding environments. We also offer mining truck brake parts, loader bucket teeth, and motor grader blades. We can help you with Caterpillar mining truck parts export and mining equipment spare parts wholesale.