Engine Liner Customization & Factory Direct Supply

As a leading source factory and international exporter, Honour Time Machinery Limited offers comprehensive customization services for a wide range of engine cylinder liners. We provide factory direct sales for all core engine parts, ensuring high-quality, precise specifications, and competitive pricing for global trade. Whether you need a specific bore size or material composition for a Cummins QSB6.7 Cylinder Liner Kit, a durable replacement for a Caterpillar C7 Liner Kit, a high-precision Isuzu 4HK1 Liner Kit, or a robust Yanmar 4TNV98 Liner Kit, we are your reliable manufacturing partner. Benefit from our expertise and secure the most cost-effective, high-performance engine parts directly from the source.

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Precision Hydraulic and Monitoring Components for Komatsu EX60

We specialize in providing high-precision replacement parts, including the essential Main Relief Valve for the Komatsu EX60 excavator, which is crucial for maintaining optimal hydraulic system pressure and performance. Simultaneously, we supply the reliable Komatsu Float Switch 7861-92-4800 for accurate fluid level monitoring. Sourced directly from our manufacturing facilities, these components offer the durability and performance needed to solve common hydraulic issues like slow operation or pressure drops, offering a cost-effective Chinese high-quality alternative to OEM parts. Our inventory includes key engine components for major brands like Cummins, Komatsu, and Caterpillar.

Key Product Features

• Feature 1: Use for excavator or construction machinery, including Komatsu EX60 Hydraulic System.

• Feature 2: Direct replacement for Komatsu Float Switch Part Number 7861-92-4800 and 7861924800.

• Feature 3: Calibrated for precise pressure control, addressing hydraulic anomalies in the main circuit.

• Feature 4: Constructed from wear-resistant materials for extended service life in harsh operating environments.

• Feature 5: Ensures accurate fluid level detection, preventing critical component damage on various Komatsu Equipment Models.

Product Specification and Logistics

Honour Time Machinery Limited: Engine Components Expertise

We are Honour Time Machinery Limited, specializing in cummins, komatsu, Caterpillar, isuzu, kubota, yanmar, and weichai engine assemblies and spare parts. Our core product line includes: Liner Kit, Piston, Piston Ring, Crankshaft Bearing, Connecting Rod Bearing, Thrust Washer, Overhaul Gasket Kit, Diesel Pump, Injector Nozzle, Crankshaft, Turbocharger, Water Pump, Oil Pump, Cylinder Block, Cylinder Head, and Connecting Rod. We ensure rapid delivery of high-quality engine parts globally.

Compatible Engine Models We Supply

We provide parts for the following engine models, including our core engine parts like Liner Kits, Pistons, Rings, and Bearings.

Engineering Machinery Parts Glossary

1. Liner Kit: Installed in the Cylinder Block. Example: Cummins QSB6.7 Liner Kit for a Hyundai R220LC-9S Excavator.

2. Piston Ring: Fits into grooves on the Piston. Example: Komatsu 6D107 Piston Ring Set for a Komatsu PC200-8 Excavator.

3. Crankshaft Bearing: Located between the Crankshaft and the Cylinder Block. Example: Caterpillar C9 Main Bearing for a Caterpillar 330D Excavator.

4. Main Valve: A key hydraulic component found in the Main Control Valve Assembly. Example: Komatsu EX60 Main Relief Valve for a Komatsu EX60 Excavator.

5. Gasket Head: Seals the Cylinder Head to the Cylinder Block. Example: Isuzu 4HK1 Head Gasket for a Hitachi ZX200-3 Excavator.

6. Flameout Solenoid: Mounted near the Fuel Pump. Example: Yanmar 4TNV94L Flameout Solenoid for a Takeuchi TL8 Track Loader.

7. Accelerator Motor: Controls the engine speed at the Governor Linkage. Example: Komatsu PC300-7 Accelerator Motor for a Komatsu PC300-7 Excavator.

8. Turbocharger: Attached to the Exhaust Manifold. Example: Weichai WP7 Turbocharger for a Shantui SD16 Bulldozer.

9. Water Pump: Mounted to the Engine Block, circulates coolant. Example: Kubota V3307 Water Pump for a Kubota KX080-4 Excavator.

10. Pressure Switch: Monitors pressure in the Engine Oil Gallery or Hydraulic Line. Example: Caterpillar 3064T Pressure Switch for a Caterpillar 308C Excavator.

Maintenance Tips and Troubleshooting

Common Failure and Solution

Failure: Komatsu PC200-8 excavator suddenly experiences a loss of power or slow movement in the hydraulic system. Solution: A common cause is a faulty Main Relief Valve (such as PN 723-40-70500) that is failing to hold the maximum pressure setting, leading to pressure leakage. The solution involves testing the valve pressure and replacing the main relief valve cartridge or the entire assembly with a high-quality replacement part to restore system pressure to specification.

Engine Maintenance Best Practices

Routine inspection of the Isuzu 4HK1 engine cooling system is vital for longevity. Ensure the Radiator fins are clean and free of debris, and check the engine oil and coolant levels daily. Furthermore, schedule regular oil analysis to detect early signs of internal wear, such as excessive metal particulates, which can indicate bearing or piston issues before catastrophic failure occurs. Replacing the Overhaul Gasket Kit every 5000 hours of service is recommended to prevent fluid leaks and maintain compression integrity.

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