BUSHING 4350314 - Hitachi_Diesel Engine_Products

High-Quality HITACHI Bushing 4350314 for Excavators

This durable bushing is designed for various HITACHI excavator models.

Part Number: 4350314

Brand: HITACHI

Ensure optimal performance and longevity of your heavy machinery with this quality bushing.

Understanding Key Components of Engineering Machinery

Hydraulic Pump (液压泵): A mechanical device that converts mechanical power into hydraulic power by moving fluid. It is a vital part of the hydraulic system, responsible for generating the flow necessary to operate hydraulic actuators.
- Location: Typically mounted on the engine or transmission, driven by the engine's rotation.
- Example: HITACHI Excavator Hydraulic Pump, Part Number: 9264456, installed in ZX200 series.
Travel Final Motor Drive (行走马达总成): This assembly provides the final reduction in speed and increase in torque to drive the machine's tracks or wheels, enabling movement. It typically consists of a hydraulic motor and a planetary gearbox.
- Location: Located in the undercarriage, directly connected to the tracks or wheels.
- Example: KOMATSU Excavator Travel Motor, Part Number: 708-2L-00300, used in PC200 series.
Hydraulic Cylinder (液压缸): A linear actuator that converts hydraulic power into linear motion and force.
- Location: Used in various parts of the machinery for lifting, pushing, and pulling.
- Example: CAT Excavator Bucket Cylinder, Part Number: 207-01-41280, found in 320 series.
Control Valve (控制阀): Directs the flow of hydraulic fluid to different parts of the hydraulic system, controlling the speed and direction of actuators.
- Location: Usually located near the hydraulic pump or actuators.
- Example: VOLVO Excavator Main Control Valve, Part Number: VOE14532682, used in EC220 series.
Hydraulic Hose (液压软管): Flexible hoses that carry hydraulic fluid under pressure between different components of the hydraulic system.
- Location: Connecting hydraulic pumps, valves, cylinders, and motors throughout the machine.
- Example: SANY Excavator Hydraulic Hose, Part Number: 60179643, found in SY215 series.
Hydraulic Oil Filter (液压油滤芯): Removes contaminants from the hydraulic fluid, ensuring the system operates efficiently and prevents damage to components.
- Location: Installed in the hydraulic fluid lines, usually near the hydraulic tank or pump.
- Example: KOBELCO Excavator Hydraulic Filter, Part Number: YN52V01034R100, used in SK200 series.
Pilot Valve (先导阀): A smaller valve that controls the pressure and flow to a larger main control valve.
- Location: Typically mounted on the main control valve.
- Example: DOOSAN Excavator Pilot Valve, Part Number: 2471-9300, found in DX225 series.
Gear Pump (齿轮泵): A type of hydraulic pump that uses the meshing of gears to pump fluid by displacement.
- Location: Can be used for various applications in the hydraulic system.
- Example: JCB Loader Hydraulic Gear Pump, Part Number: 20/925550, used in 3CX series.
Piston Pump (柱塞泵): A type of hydraulic pump that uses reciprocating pistons to pump fluid. Known for high pressure capabilities.
- Location: Often used in demanding hydraulic applications.
- Example: CATERPILLAR Excavator Piston Pump, Part Number: 340-8031, found in 336 series.
Swing Motor (回转马达): A hydraulic motor that powers the rotation of the excavator's upper structure (house).
- Location: Mounted on the upper structure, connected to the swing gearbox.
- Example: SUMITOMO Excavator Swing Motor, Part Number: HA8155-1250, used in SH200 series.

Interesting Facts about Heavy Machinery Parts

Regular maintenance and timely replacement of parts like bushings can significantly extend the lifespan of excavators and mining equipment.
The quality of aftermarket parts often matches or even exceeds that of OEM parts, offering a cost-effective solution for machinery upkeep.
SWAFLY MACHINERY CO., LIMITED leverages over 15 years of experience in the industry to provide quality-trusted machinery parts and services.

SWAFLY MACHINERY CO., LIMITED specializes in excavator parts and mining equipment parts in China. Founded in 2009, we can supply a quality-trusted full range of machinery engines, hydraulic pumps, and travel final motor drives based on more than 15 years of endeavor and experience. And we also provide agricultural tractor machinery engines with KUBOTA and Yanmar brands.

The company takes advantage of resources, absorbs the technology and experience of leading engine manufacturers, establishes maintenance workshops, develops mechanical dismantling, engine, and hydraulic system assembly maintenance and regeneration platforms, and carries out a complete machine and parts renewal business. Timely develops cost-effective OEM or high-quality aftermarket products, providing a full range of aftermarket services for global customers.

Our main business includes:

Supplying high-quality excavator parts
Providing parts for mining equipment
Offering a wide range of machinery engines
Distribution of hydraulic pumps and components
Supply of travel final motor drives
Sales of agricultural tractor machinery engines (KUBOTA, Yanmar)
Engine and hydraulic system maintenance and regeneration services
Complete machine and parts renewal business

Common Engine Fault and Solution

Problem: Engine Overheating

Possible Causes:

Low coolant level
Faulty thermostat
Leaking radiator or hoses
Malfunctioning water pump
Blocked radiator fins

Troubleshooting Steps:

Check the coolant level and top up if necessary.
Inspect the radiator and hoses for any leaks.
Ensure the radiator fan is operating correctly.
If the problem persists, consult a qualified mechanic to check the thermostat and water pump.

Visit our website for more information on HITACHI Bushing 4350314 and other quality parts:

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