Reliable Solutions for Heavy Duty Excavator Engines and Industrial Machinery Maintenance
At Honour Time Machinery Limited, we specialize in high-quality engine components for leading global brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our products solve common equipment failures like engine overheating, low oil pressure, and fuel system leakage.
| Attribute | Details |
|---|---|
| Model NO. | 178-6539, 1786539, 7861-92-4800, 7861924800 |
| Application | Excavator, Bulldozer, Industrial Engine |
| Product Name | CAT Oil Pump / Komatsu Float Switch |
| Brand Compatibility | Caterpillar, Komatsu |
| Condition | Brand New Aftermarket Replacement |
| Production Capacity | 5000 PCS / Year |
| Origin | China (Source Factory) |
| Transport Package | Heavy Duty Carton / Wooden Case |
We provide a comprehensive selection of engine parts to keep your fleet running at peak performance. Our core catalog includes:
| Category | Components Available |
|---|---|
| Core Engine Parts | Liner Kit, Piston, Piston Ring, Crankshaft, Cylinder Block, Cylinder Head, Connecting Rod |
| Sealing & Gaskets | Full Overhaul Gasket Kit, Head Gasket, Oil Seals |
| Fuel & Oil System | Fuel Injection Pump, Injectors, Oil Pump, Water Pump, Turbocharger |
| Electrical & Monitoring | Pressure Switch, Monitor, Accelerator Motor, Transmitter, Solenoid Valve |
| Cooling System | Radiator, Fan Cooling, Fan Belt |
| Valvetrain | Valve Guide, Valve Seat, Engine Bearing, Main Bearing, Con Rod Bearing |
| Brand | Compatible Engine Models |
|---|---|
| Komatsu | 3D82, 3D84, 4D84, 4D95, 4D105, 6D95, 6D102, 6D105, 6D108, 6D110, 6D114, 6D170 |
| Caterpillar | 3114, 3116, 3064T, S6K, C4, C6, C7, C9, C13 |
| Mitsubishi | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40 |
| Isuzu | 3LD1, 4LE1, 4LE2, 4JB1, 4BG1, 4HK1, 6BG1, 6HK1, 6SD1, 6WG1, 6WF1 |
| Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| Hino / Volvo | J05E, J08E, V25C, EF750, P11C, D6D, D6E, D9E, D12D, D7D, D7E |
| Cummins | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C |
Engineered for heavy-duty CAT excavators to ensure optimal lubrication.
Precision-machined using high-grade materials for extended service life.
Direct fit replacement for OEM Part Number 178-6539 and 1786539.
Resistant to high-temperature wear and chemical corrosion from engine oil.
Rigorously tested to meet or exceed industrial machinery standards.
Cummins QSB6.7 Turbocharger: Mounted on the exhaust manifold to increase engine intake air density and horsepower.
Komatsu PC200 Fuel Injector: Installed in the cylinder head to atomize diesel fuel for efficient combustion.
Caterpillar 320D Water Pump: Located at the front of the engine block to circulate coolant through the radiator.
Isuzu 6HK1 Piston Ring: Located in the piston grooves to seal the combustion chamber and regulate oil film.
Kubota V2403 Cylinder Head: Sits on top of the cylinder block, housing valves and injectors.
Yanmar 4TNV98 Main Bearing: Installed on the crankshaft journals to provide smooth rotation and support.
Weichai WD10 Oil Cooler: Usually located near the oil filter to maintain engine oil temperature.
Caterpillar C7 Gasket Kit: Used between engine components to prevent leakage of fluids and gases.
Komatsu 6D107 Crankshaft: The central rotating component that converts linear piston movement into torque.
Cummins ISF2.8 Solenoid Valve: Controls fuel flow or engine shutdown, typically found on the fuel pump.
Problem: The operator reported a low oil pressure warning on a CAT 3116 Excavator during operation.
Solution: Upon inspection, the 178-6539 oil pump was found to have internal gear wear. Replacing the pump with our high-quality 178-6539 aftermarket unit restored the oil pressure to 60 PSI at operating temperature. Regular oil changes every 500 hours are recommended to prevent debris from damaging the pump.
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