Welcome to Guangxi Huayang Engineering Machinery Equipment Co., Ltd., your trusted partner for reliable and high-performance heavy machinery components in China. We specialize in providing top-grade replacement parts for leading brands like Komatsu and Caterpillar, ensuring your equipment operates at peak efficiency and durability.

Our extensive inventory covers critical systems, including undercarriage parts (such as track rollers, idlers, sprockets, track chains, and track shoes), hydraulic systems (hydraulic pumps, hydraulic motors, control valves, and hydraulic cylinders like bucket and boom cylinders), transmission and power train components (gearboxes, gears, and engine parts, including Cummins engine components), and various wear parts (like bucket teeth, chain links, pins/bushings, and high-strength bolts).

Investing in quality parts is essential for minimizing downtime and maximizing productivity on construction sites, in mining operations, road building, and other demanding applications. This article focuses on a range of vital Komatsu hydraulic system parts, including specific 705-series part numbers that are crucial for the performance of Komatsu excavators, bulldozers, and loaders.

Essential Komatsu Hydraulic Components: 705-Series Parts

The hydraulic system is the heart of most heavy construction equipment, providing the power and precision needed for lifting, digging, pushing, and steering. Failures within this system can bring operations to a halt. At Guangxi Huayang, we offer a comprehensive selection of Komatsu hydraulic parts designed to meet the stringent demands of heavy-duty work.

The 705-series part numbers listed below represent key components within the Komatsu hydraulic system. Parts starting with 705-13-xxxx are often related to main hydraulic pumps or travel/swing motors, crucial for generating the primary hydraulic power and controlling machine movement. Components with 705-52-xxxx and 705-56-xxxx prefixes typically belong to control valves, relief valves, or other vital parts that regulate hydraulic flow and pressure to various functions like the boom, arm, bucket, blade, or steering.

Applications and Applicable Komatsu Machine Models

These Komatsu 705-series hydraulic parts are commonly found in a wide range of Komatsu machinery, including popular excavator models from the PC series (such as Komatsu PC200, Komatsu PC300, Komatsu PC360, Komatsu PC450) and bulldozer models from the D series (like Komatsu D65, Komatsu D85, Komatsu D155). Their applications are diverse:

• Excavation & Digging: Providing power for the boom, arm, and bucket cylinders in various soil conditions for construction, trenching, and foundation work.

• Material Handling: Enabling precise lifting and positioning of materials with buckets or other attachments in loading and unloading operations.

• Dozing & Grading: Controlling the movement and angle of dozer blades for site preparation, leveling, and road construction.

• Mining Operations: Handling heavy loads and operating continuously in harsh mining environments.

• Infrastructure Projects: Essential for building roads, bridges, and other critical infrastructure.

Using high-quality replacement parts ensures that these machines perform reliably in demanding work environments, minimizing unexpected breakdowns and maintaining operational efficiency. Our parts are manufactured to strict specifications to ensure compatibility and performance equivalent to or exceeding OEM standards.

Comprehensive List of Komatsu 705-Series Parts Available from Guangxi Huayang

Here is a list of the specific Komatsu parts we supply, including the 705-series components vital for your hydraulic system:

• Komatsu Part 705-13-26530

• Komatsu Part 705-13-28530

• Komatsu Part 705-13-31340

• Komatsu Part 705-13-31730

• Komatsu Part 705-52-42220

• Komatsu Part 705-56-34290

• Komatsu Part 705-56-34360

• Komatsu Part 705-56-34490

• Komatsu Part 705-56-34550

• Komatsu Part 705-56-34590

• Komatsu Part 705-56-34630

• Komatsu Part 705-56-34690

• Komatsu Part 705-56-34710

• Komatsu Part 705-56-36040

• Komatsu Part 705-52-30560

• Komatsu Part 705-52-30580

• Komatsu Part 705-52-30920

• Komatsu Part 705-52-30960

• Komatsu Part 705-52-30A00

• Komatsu Part 705-52-31010

These part numbers cover a range of components within the hydraulic system, vital for controlling power and movement in your Komatsu equipment.

Why Choose Guangxi Huayang for Your Komatsu & Caterpillar Parts?

Choosing the right parts supplier is crucial for the longevity and performance of your heavy machinery. Guangxi Huayang stands out due to:

• Comprehensive Inventory: We stock parts for all major systems – undercarriage, hydraulic, transmission, power train, and wear parts – for Komatsu and Caterpillar.

• Quality Assurance: Our parts meet high manufacturing standards, ensuring reliability and durability in tough conditions.

• Expertise: With years of experience, we understand the specific needs of various machine models and applications.

• Global Service: We supply parts to clients worldwide, ensuring timely delivery and support.

Whether you need a Komatsu excavator hydraulic pump part, a Caterpillar bulldozer undercarriage component, or specific wear parts, Guangxi Huayang is your one-stop solution.

Frequently Asked Questions (FAQ) & Maintenance Tips

Q1: How do I know if my Komatsu excavator's hydraulic system needs attention?

A: Common signs include sluggish or weak movement of the boom, arm, or bucket, unusual noises (whining or grinding) from the hydraulic pump, excessive heat in the hydraulic fluid, or visible leaks. If you experience these symptoms, check your hydraulic fluid level and condition. A simple maintenance tip is to regularly inspect hydraulic hoses and connections for leaks and ensure your hydraulic filter is changed according to the manufacturer's schedule. Troubleshooting could involve checking system pressure with gauges to diagnose pump or valve issues before resorting to part replacement.

Q2: What causes premature wear on my Komatsu bulldozer's track rollers?

A: Operating on abrasive ground conditions, improper track tension, and neglecting regular cleaning are common causes. Packed mud or debris can prevent rollers from rotating freely, leading to flat spots and excessive wear. A repair suggestion is to replace rollers showing significant wear or damage promptly to prevent damage to other undercarriage components like the track chain or idler. Maintenance involves regular cleaning of the undercarriage and checking/adjusting track tension according to the Komatsu service manual.

Q3: How often should I replace wear parts like bucket teeth on my Komatsu loader?

A: The replacement frequency depends heavily on the material being handled and the intensity of use. Inspect bucket teeth daily for wear, cracks, or looseness. Replace them when they are significantly worn down (e.g., losing more than 30-50% of their original mass) to maintain digging efficiency and protect the bucket adapter. A maintenance tip is to ensure the pins and retainers holding the teeth are secure to prevent tooth loss during operation. Using the correct type of tooth for your specific application (e.g., abrasion-resistant teeth for rock) can also extend their lifespan.

Construction Equipment Part Definitions

Understanding the components of your machinery is vital for effective maintenance and repair. Here are definitions for 10 common heavy equipment parts (different from the list above) and where they are located:

• Final Drive: (Transmission/Undercarriage) Located at the rear of the tracks on excavators and bulldozers, it converts hydraulic or mechanical power into rotational force to drive the tracks. Example: Komatsu PC400 Final Drive.

• Swivel Joint (Center Joint): (Hydraulic) Located in the center of the machine's chassis, allowing hydraulic lines to pass and rotate freely between the upper structure and the lower carriage. Example: Komatsu PC300 Swivel Joint.

• Control Valve (Directional Control Valve): (Hydraulic) Located in the hydraulic system, it directs the flow of hydraulic fluid to different cylinders or motors to control machine movements. Example: Caterpillar CAT 345D Control Valve.

• Track Adjuster Cylinder (Recoil Spring Assembly): (Undercarriage) Located at the front of the track frame, it uses grease pressure and a large spring to maintain proper track tension by pushing the idler wheel forward. Example: Komatsu D85 Track Adjuster Cylinder.

• Radiator: (Engine/Cooling) Located at the front of the engine compartment, it cools the engine coolant to prevent overheating. Example: Caterpillar CAT D6T Radiator.

• Hydraulic Oil Cooler: (Hydraulic/Cooling) Often located near the radiator, it cools the hydraulic fluid to maintain optimal operating temperature and prevent component damage. Example: Komatsu WA500 Hydraulic Oil Cooler.

• Torque Converter: (Transmission) Found in machines with automatic transmissions (like loaders and some dozers), it transfers rotational power from the engine to the transmission using fluid coupling. Example: Caterpillar CAT 972M Torque Converter.

• Cab Assembly: (Structure) The enclosed structure where the operator sits, housing controls and providing protection. Example: Komatsu PC220 Cab Assembly.

• Fuel Injector: (Engine) Located in the engine's combustion system, it atomizes and injects fuel into the cylinders. Example: Cummins QSB6.7 Fuel Injector (common in various equipment).

• Ripper Cylinder: (Hydraulic) Found on dozers equipped with a ripper attachment (at the rear), it uses hydraulic pressure to raise, lower, and articulate the ripper shanks. Example: Caterpillar CAT D10T Ripper Cylinder.

Get Your Komatsu & Caterpillar Parts from Guangxi Huayang

Don't compromise on the performance and reliability of your heavy machinery. Choose Guangxi Huayang for high-quality Komatsu parts, Caterpillar parts, and components for other leading brands.

We are ready to assist you with your parts needs. Contact us today!

Guangxi Huayang Engineering Machinery Equipment Co., Ltd.

Mobile/WeChat/WhatsApp: +86 13977190083

Email: lihongchun068@gmail.com

Website: https://www.guangxihuayang.com