High Quality Chinese OEM Replacement for Excavator Hydraulic Systems and Engine Monitoring
Reliable Performance for Models PC60, PC120, PC200, PC220, PC300, PC400
Honour Time Machinery Limited is a source manufacturer specializing in foreign trade export of heavy-duty engine components. We support customized development of various engine cylinder liners to meet specific industrial requirements.
Cummins QSB6.7 Cylinder Liner - Precision Engineering
Komatsu 6D102 Engine Liner - Wear Resistance Guaranteed
Caterpillar C9 Liner Kits - High-Temperature Stability
Isuzu 4HK1 Cylinder Sleeves - Perfect Bore Alignment
Direct from factory pricing with global shipping capabilities.
Durable Construction: Used for excavator or construction machinery, the 702-16-01180 joystick provides ergonomic control and long-life cycle.
Precise Monitoring: The 7861-92-4800 float switch ensures accurate coolant and fuel level detection for Komatsu engines.
Wide Compatibility: Perfectly fits Komatsu PC200-7, PC220-8, and PC300LC models.
Strict Quality Control: Every assembly undergoes rigorous testing to match OEM performance standards.
Cost-Effective Solution: High-quality Chinese replacement eliminates the high cost of original parts while maintaining peak efficiency.
| Product Name | Brand | Part Number (Standard) | Part Number (Alternate) | Application Model |
|---|---|---|---|---|
| Komatsu Joystick Assembly | Komatsu | 702-16-01180 | 7021601180 | PC200-7, PC220-7, PC300-7 |
| Joystick Controller | Komatsu | 702-16-32001 | 7021632001 | PC200-8, PC240-8, PC350-8 |
| Float Level Switch | Komatsu | 7861-92-4800 | 7861924800 | PC200-6, PC120-6, 6D102 Engine |
Honour Time Machinery Limited provides a full range of engine spare parts including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai.
| Liner Kit / Piston / Ring | Gasket Kit / Head Gasket | Crankshaft / Camshaft |
| Valve Guide / Seat / Nozzle | Main Bearing / Rod Bearing | Pressure Switch / Sensor |
| Radiator / Fan Cooling / Belt | Cylinder Block / Cylinder Head | Turbocharger / Water Pump |
| Brand | Model Series |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| Caterpillar | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 |
| Isuzu | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 |
| Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| Volvo | D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D |
Problem: Sudden lack of response or slow movement when operating the left joystick.
Diagnosis: Wear in the pilot valve internal components or electrical failure in the joystick potentiometer.
Solution: Replace with Komatsu Joystick Assembly 702-16-32001. Ensure the pilot hydraulic lines are bled of air after installation to restore precise control.
Regularly check the 7861-92-4800 float switch in the radiator top tank. If the dashboard shows "Low Water Level" despite a full tank, the switch may be calcified. Clean or replace to prevent engine overheating on models like the PC300-7.
Turbocharger (Cummins QSM11): Installed on the engine exhaust manifold to increase air intake. Essential for high-altitude operations.
Crankshaft (Komatsu 6D125): Located in the cylinder block, converts linear piston motion into rotational force for the transmission.
Fuel Injector (Caterpillar C7): Mounted in the cylinder head, delivers atomized fuel to the combustion chamber at high pressure.
Water Pump (Isuzu 6HK1): Circulates coolant throughout the engine block to maintain optimal temperature.
Main Valve (Komatsu PC200-7): The central hub of the hydraulic system, distributing oil to cylinders and motors.
Piston (Yanmar 4TNV98): Moves up and down in the cylinder liner to compress air and transfer energy.
Gasket Kit (Kubota V2403): A set of seals used between engine components to prevent oil and coolant leaks.
Monitor Display (Komatsu PC120-6): Located in the cabin, provides real-time data on engine health and system pressure.
Accelerator Motor (Caterpillar 320D): Controls engine RPM by adjusting the fuel pump linkage electronically.
Oil Pump (Weichai WD615): Located in the oil pan, ensures lubrication reaches all moving engine parts.
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