Die wichtigste Wahl des nordamerikanischen Bauwesens: Die Hochleistungskatze 320E 329E Hydraulische Hauptpumpenbaugruppe ( 339-0514 ) für Ihre Baggerbedürfnisse

North American Construction's Premier Choice: High-Performance CAT 320E 329E Hydraulic Main Pump Assembly (339-0514) for Your Excavator - September 3, 2025

North American Construction's Premier Choice: The High-Performance CAT 320E 329E Hydraulic Main Pump Assembly (339-0514) for Your Excavator Needs

Your Trusted Partner for Hydraulic Solutions

At Shandong Jufengyuan, we are a leading source manufacturer and factory direct supplier of OEM quality aftermarket parts. We specialize in the custom manufacturing and development of a wide range of components, including the CAT 320E 329E hydraulic pump assembly. With our robust foreign trade export experience, you can be confident in the quality and reliability of our products, delivered directly from our factory to your site.

The demanding world of heavy construction and mining requires nothing short of reliable machinery. At the core of every high-performing excavator lies its hydraulic system, and the main pump is its beating heart. We proudly offer a superior-quality aftermarket CAT 320E 329E Hydraulic Main Pump Assembly (339-0514). This crucial component is engineered to deliver the power and precision your Caterpillar equipment needs to tackle any job. It is the ideal heavy equipment replacement part for maintaining productivity and avoiding costly downtime on your job site.

Our extensive inventory of aftermarket heavy equipment parts caters to a wide range of machinery from leading brands. Whether you need Caterpillar parts, Sandvik Parts, or Epiroc Parts, we have you covered. Our commitment to quality ensures every part meets or exceeds OEM specifications, providing the OEM quality aftermarket parts that professionals trust. Our product range includes everything from Komatsu bulldozer undercarriage parts to Hitachi excavator swing motor components, ensuring a one-stop solution for all your maintenance needs.

Choosing the right construction machinery wear parts is essential for operational efficiency. The CAT 320E 329E hydraulic pump assembly is built for durability and performance, making it a critical asset for your fleet. As a trusted supplier of mining equipment hydraulic pumps and other core components, we understand the importance of reliability. We also supply a full range of Atlas Copco Parts, Deutz Parts, and Cummins Parts, including complete engine rebuild kits, for your comprehensive maintenance requirements.

Our expertise extends beyond just pumps. We specialize in a variety of off-highway machinery components. For example, we offer Furukawa Parts like hydraulic pump seal kits, Volvo articulated hauler parts, and Sany concrete pump spare parts. We are also a key supplier of Montabert breaker hammer chisels and Liebherr crane boom cylinders. Our goal is to be your single point of contact for high-quality, long-lasting replacement parts for all major manufacturers.

As a global partner, we proudly serve clients around the world with our vast selection of parts for brands like XCMG Parts, Hyundai Parts, and Metso Parts. We also provide specialized parts such as excavator final drives and loader transmission filters. Our company, Shandong Jufengyuan, is dedicated to providing comprehensive solutions for the aftermarket heavy machinery industry, ensuring you find the right part for the job every time.


Understanding Your Machine's Core Components

1. Jumbo Drill Feed Beam

Location: The primary structural component on a rock drill rig that guides the rock drill during the drilling process.                    
Example: Sandvik DT820 Jumbo Drill Feed Beam / 山特维克DT820掘进钻机推进梁 / Подающая балка буровой установки Sandvik DT820.

2. Rock Drill Piston

Location: A key component inside the rock drill that strikes the drill shank to transfer percussive energy.                    
Example: Epiroc Boomer L2C Rock Drill Piston / 阿特拉斯科普柯Boomer L2C凿岩机活塞 / Поршень перфоратора Epiroc Boomer L2C.

3. Drifter

Location: The main assembly on a drill rig that provides the rotation and percussive force for drilling.                    
Example: Atlas Copco Boomer L1D Drifter / 阿特拉斯科普柯Boomer L1D钻机冲击器 / Перфоратор Atlas Copco Boomer L1D.

4. Final Drive Motor

Location: A hydraulic motor and gearbox assembly that provides the torque to the tracks or wheels of the machine.                    
Example: Epiroc ROC F9 Final Drive Motor / 阿特拉斯科普柯ROC F9终传动马达 / Бортовой редуктор Epiroc ROC F9.

5. Relief Valve

Location: Found in hydraulic systems, it protects the system from overpressure by releasing excess fluid.                    
Example: Sandvik DD321 Hydraulic Relief Valve / 山特维克DD321液压安全阀 / Гидравлический предохранительный клапан Sandvik DD321.

6. Rotary Actuator

Location: Converts hydraulic pressure into rotary motion, used in functions like a bucket's wrist motion.                    
Example: Atlas Copco Scooptram ST7 Rotary Actuator / 阿特拉斯科普柯Scooptram ST7回转执行器 / Поворотный привод Atlas Copco Scooptram ST7.

7. Hydraulic Cylinder Seal Kit

Location: A set of seals and O-rings used to prevent fluid leakage in a hydraulic cylinder.                    
Example: Sandvik DL431 Hydraulic Cylinder Seal Kit / 山特维克DL431液压油缸密封件包 / Комплект уплотнений гидроцилиндра Sandvik DL431.

8. Main Control Valve

Location: Located in the excavator's hydraulic circuit, it directs hydraulic fluid flow to various components like cylinders and motors.                    
Example: Epiroc PowerROC T40 Main Control Valve / 阿特拉斯科普柯PowerROC T40主控阀 / Главный распределительный клапан Epiroc PowerROC T40.

9. Undercarriage Track Roller

Location: A series of rollers on the underside of a tracked machine that support the weight of the machine and guide the track chain.                    
Example: Epiroc FlexiROC D50 Undercarriage Track Roller / 阿特拉斯科普柯FlexiROC D50底盘履带滚轮 / Опорный каток ходовой части Epiroc FlexiROC D50.

10. Engine Cylinder Head

Location: The cap on top of the engine block, containing the intake and exhaust valves.                    
Example: Atlas Copco SmartROC D65 Engine Cylinder Head / 阿特拉斯科普柯SmartROC D65发动机缸盖 / Головка блока цилиндров двигателя Atlas Copco SmartROC D65.

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