Boost Your Komatsu Machinery with High-Quality Replacement Parts: 4240390M91, 4240389M91, and More!

Looking for reliable replacement parts for your Komatsu construction equipment? Guangxi Huayang Engineering Machinery Equipment Co., Ltd. is your trusted partner, specializing in a comprehensive range of high-quality components for Komatsu and Caterpillar bulldozers, excavators, loaders, and more. We understand the critical role these machines play in your operations, and we are committed to providing you with the parts you need to keep them running smoothly and efficiently.

Our extensive inventory includes undercarriage parts like track rollers, carrier rollers, sprockets, idlers, and track shoes, as well as hydraulic system components such as hydraulic pumps, hydraulic motors, control valves, and hydraulic cylinders (including bucket cylinders and boom cylinders). We also offer transmission and power train parts like gearboxes and gear components, engine assemblies (including Cummins engine parts), and a wide selection of wear parts like bucket teeth, track links, pins and bushings, and high-strength bolts.

Featured Komatsu Replacement Parts:

We are proud to offer a wide array of Komatsu replacement parts, including the following:

• 4240390M91

• 4240389M91

• 4240387M1

• 4240386M1

• 4240383M1

• 4240382M1

• 4240381M1

• 4240380M91

• 4240376M91

• 4240375M91

• 4240374M91

• 4240373M91

• 4240356M91

• 4240355M91

• 4240354M91

• 4240352M1

• 424-03-42490 SEAL

• 424-03-42480 SEAL

• 424-03-42420 SHROUD

• 424-03-42410 RADIATOR

Applications and Machine Models:

These Komatsu replacement parts are designed for various Komatsu machinery, including bulldozers, excavators, and loaders. Let's take a closer look at some of the applications:

• Seals (424-03-42490, 424-03-42480): Seals are crucial for preventing leaks in hydraulic systems, engines, and transmissions. They are used in various Komatsu models like PC series excavators (e.g., PC200, PC300), D series bulldozers (e.g., D65, D85), and WA series loaders (e.g., WA380, WA470). These machines are used in construction sites for digging, earthmoving, and material handling. For example, a Komatsu PC200 excavator might use these seals in its hydraulic cylinders to ensure efficient digging operations on a building foundation project.

• Shroud (424-03-42420): A shroud typically directs airflow for cooling purposes, often found around the engine or radiator fan. This part can be used in various Komatsu machines to maintain optimal engine temperature, preventing overheating during demanding tasks in hot environments, such as a Komatsu D85 bulldozer working on a large-scale mining site.

• Radiator (424-03-42410): The radiator is a vital component of the engine cooling system, dissipating heat to prevent engine damage. It is essential for all types of Komatsu machinery, ensuring reliable performance in diverse applications, from a Komatsu WA470 loader handling aggregates in a quarry to a Komatsu PC300 excavator performing heavy excavation work for road construction.

• Other Numerical Parts (4240390M91, 4240389M91, etc.): These numerical part numbers represent various specific components within Komatsu machines. Without the exact names, they could range from hydraulic hoses and fittings to engine components, transmission parts, or undercarriage elements. For instance, a part like 4240390M91 might be a specific gear within the transmission of a Komatsu D65 bulldozer used for land clearing and leveling. Similarly, 4240389M91 could be a valve in the hydraulic system of a Komatsu PC200 excavator controlling the movement of the boom.

Why Choose Guangxi Huayang for Your Komatsu Parts?

At Guangxi Huayang, we are dedicated to providing our customers with genuine or high-quality aftermarket Komatsu and Caterpillar replacement parts at competitive prices. Our experienced team can help you identify the exact parts you need, ensuring a perfect fit and optimal performance for your machinery. We understand the urgency of minimizing downtime, and we strive for prompt and reliable service.

Frequently Asked Questions:

1. Q: How do I know which Komatsu part number I need?
          A: The part number is usually printed on the original part. You can also find it in your Komatsu equipment's service manual or parts catalog. If you're unsure, our knowledgeable team can assist you with identification based on your machine model and specific needs.

2. Q: What are some common signs of a failing hydraulic cylinder in a Komatsu excavator?
          A: Common signs include oil leaks, slow or jerky cylinder movement, and a loss of lifting or digging power. Regular inspection and timely replacement of worn seals and components can prevent major hydraulic system failures.

3. Q: What are some essential daily maintenance tips for a Komatsu loader?
          A: Daily maintenance should include checking fluid levels (engine oil, hydraulic oil, coolant), inspecting for leaks, lubricating critical points, and examining tires or tracks for damage. Following the manufacturer's recommended maintenance schedule is crucial for prolonging the life of your equipment.

Glossary of Komatsu & Caterpillar Parts:

1. Komatsu PC300 Hydraulic Pump: The main component of the hydraulic system in a Komatsu PC300 excavator, responsible for generating the high-pressure oil needed to power hydraulic cylinders and motors.

2. Caterpillar CAT 320 Track Roller: A part of the undercarriage of a Caterpillar CAT 320 excavator, supporting the weight of the machine and allowing the tracks to move smoothly.

3. Komatsu D85 Sprocket: The toothed wheel at the rear of a Komatsu D85 bulldozer that drives the track chain.

4. Caterpillar CAT 349E Idler: Located at the front of the undercarriage of a Caterpillar CAT 349E excavator, it maintains track tension.

5. Komatsu WA500 Bucket Cylinder: The hydraulic cylinder on a Komatsu WA500 loader that controls the tilting and dumping of the bucket.

6. Caterpillar CAT 777G Transmission: The gearbox assembly in a Caterpillar CAT 777G off-highway truck, responsible for transferring power from the engine to the wheels.

7. Komatsu PC220 Swing Motor: The hydraulic motor in a Komatsu PC220 excavator that allows the upper structure of the machine to rotate.

8. Caterpillar CAT 966M Torque Converter: A fluid coupling in a Caterpillar CAT 966M wheel loader that transmits power from the engine to the transmission.

9. Komatsu GD655 Grader Blade: The large metal plate on a Komatsu GD655 motor grader used for leveling and shaping surfaces.

10. Caterpillar CAT D7 Dozer Ripper Tooth: An attachment on the rear of a Caterpillar CAT D7 bulldozer used for breaking up hard ground.

Contact us today for all your Komatsu and Caterpillar replacement part needs!

Guangxi Huayang Engineering Machinery Equipment Co., Ltd.
 Main Products: Komatsu and Caterpillar Bulldozer, Excavator, Loader Parts (Undercarriage, Hydraulic System, Transmission & Power Components, Wear Parts)
 Mobile/WeChat/WhatsApp: +86 13977190083
 Email: lihongchun068@gmail.com
 Website: www.guangxihuayang.com