Secure high-performance, 国产高品质替代 (Chinese high-quality replacement) parts engineered to resolve the most common electrical faults in your heavy machinery.
As a source manufacturer, Honour Time Machinery Limited specializes in customized development of various engine cylinder liners (缸套) for export. Our direct factory sales ensure the best quality and pricing for global trade partners.
Need specialized liners? We deliver for:
Cummins QSB6.7 Cylinder Liner
Komatsu 6D102 Cylinder Liner
Caterpillar C7 Cylinder Liner
Yanmar 4TNV98 Cylinder Liner
Our featured Komatsu Engine Wiring Harness for PC400 / PC450 Excavators is a guaranteed fit, ensuring reliable performance and restoring critical functions. We provide both the marked part number 6745-81-8040 and the clean version 6745818040 for easy search and procurement.
Feature 1: Use for Komatsu PC400 and PC450 Excavator construction machinery.
Feature 2: Direct replacement for 6745-81-8040 (6745818040), ensuring plug-and-play installation.
Feature 3: Constructed with high-temperature, oil-resistant materials for engine bay durability.
Feature 4: Compatible with 24V systems commonly found in Komatsu PC400-8 and PC450-8.
Feature 5: Solves erratic engine sensor readings and communication errors common in these models.
We supply a vast inventory of diesel engine parts including Liner Kit, Piston, Piston Ring, Gasket Kit, Gasket Head, Crankshaft, Valve Guide, Nozzle, Engine Bearing, Pressure Switch, Flameout Solenoid, Monitor, Radiator, Main Valve, Belt, Cylinder Block, Valve Seat, Accelerator Motor, Transmitter, and Fan Cooling.
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| Komatsu PC400/PC450 Engine Wiring Harness | |
|---|---|
| Model NO. | HT-6745-8040 |
| Product Name | Engine Wiring Harness |
| Part Numbers | 6745-81-8040 / 6745818040 |
| Application | Komatsu PC400/PC450 Excavators |
| Condition | New |
| Origin | China |
| Certification | ISO/TS Compliant |
| Specification | 24V, 30-pin Connector, Heat-Resistant PVC Sheath |
| Transport Package | Carton |
| Trademark | Honour Time (OEM Quality) |
| Production Capacity | 5000PCS/Year |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL, Fedex, EMS, UPS or by Air/Sea |
Honour Time Machinery Limited specializes in a wide variety of heavy-duty engine parts. We are a key supplier for cummins, komatsu, Caterpillar, isuzu, kubota, yanmar, and weichai engine assembly and components.
Understanding the function and placement of each engine assembly part is crucial for proper maintenance and repair:
Liner Kit (Cylinder Liner): Installed in the Engine Block. Example: Caterpillar 3064T Cylinder Liner Kit in a CAT M315 Excavator.
Piston Ring: Installed around the Piston. Example: Komatsu 6D102 Piston Ring Set in a PC200-8 Excavator.
Crankshaft: Installed at the bottom center of the Engine Block. Example: Isuzu 6BG1 Crankshaft in an EX200-5 Excavator.
Valve Guide: Installed inside the Cylinder Head. Example: Cummins B5.9-C Valve Guide in a C-Series Dozer.
Nozzle (Fuel Injector): Installed in the Cylinder Head or Intake Manifold. Example: Yanmar 4TNV98 Fuel Injector Nozzle in a VIO50 Mini Excavator.
Flameout Solenoid: Mounted on the Fuel Pump or Engine Block. Example: Isuzu 4HK1 Flameout Solenoid in a ZAXIS 200LC Excavator.
Accelerator Motor: Typically mounted near the Throttle Body or Governor. Example: Komatsu 6D95 Accelerator Motor in a PC200-7 Excavator.
Main Valve (Control Valve): Located within the Hydraulic Pump Assembly. Example: Caterpillar C6 Main Control Valve in a 320D Excavator.
Engine Bearing (Main & Con Rod): Installed between the Crankshaft and Connecting Rods. Example: Weichai WP10 Connecting Rod Bearing in a Shovel Loader.
Monitor: Located inside the Operator's Cabin/Dashboard. Example: Volvo D7D Engine Monitor Panel in an EC210 Excavator.
Fault: A Komatsu PC400-8 excavator (powered by the 6D125 engine) experiences rapid overheating under load, often accompanied by high pressure in the cooling system. This can frequently be traced back to a faulty Gasket Head or a defective Water Pump.
Solution: The immediate solution involves replacing the head gasket and/or the water pump. Ensure you use a reliable Gasket Kit and an OEM-spec water pump from a trusted supplier like Honour Time Machinery Limited to guarantee proper sealing and flow.
Oil & Filter Service: Replace engine oil and filter every 250-500 operating hours.
Cooling System Check: Inspect the Radiator and coolant levels daily. Flush and refill coolant using the correct mixture annually to prevent corrosion.
Belt Tension: Check the tension and condition of the Belt (Fan Cooling Belt) weekly to ensure sufficient cooling and alternator function.
Fuel System: Regularly replace the fuel filter to protect the Nozzle (Injector) and Fuel Pump from contamination.
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