Featured Product: KOMATSU Float Switch Sensor

The KOMATSU Float Switch, essential for monitoring hydraulic fluid levels in heavy machinery like the PC300-7, ensures timely alerts to prevent severe damage. Our Part Number 7861-92-4800 (7861924800) is engineered to meet or exceed OEM specifications, offering outstanding reliability and longevity in demanding environments.

Key Product Features for 7861-92-4800

• Precision Level Detection: Engineered specifically for KOMATSU Excavator hydraulic systems (e.g., PC300-7) to guarantee accurate oil level monitoring.

• Robust Construction: Built with high-grade, corrosion-resistant materials to withstand harsh operating conditions and high temperatures typical of construction machinery use.

• Direct Fit Replacement: Ensures seamless installation and compatibility with the original equipment for the KOMATSU PC300-7 model.

• Prevents Costly Downtime: Provides reliable signaling to the monitor, resolving potential engine or hydraulic system faults caused by low fluid levels.

• Certified Quality: Manufactured under strict quality control to ensure long-term stability and performance, perfect for heavy machinery repair shops and fleet maintenance.

Trade & Product Specifications

As a leading Source Manufacturer, Honour Time Machinery Limited ensures prompt and reliable logistics for global clients needing quality engine components.

Honour Time Machinery Limited: Comprehensive Engine Parts Supply

As an industry leader, Honour Time Machinery Limited is your trusted partner for a full range of heavy-duty engine components. We specialize in parts for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory ensures we have the right engine zero parts to meet your maintenance and repair needs globally.

Our Core Engine Product Categories

Supported Engine Models (Partial List)

Technical Dictionary: Understanding Engine Components

A basic understanding of engine parts is crucial for proper maintenance. Here are 10 key component definitions, location, and examples:

• Liner Kit: The set of parts (liner, piston, rings) installed in the cylinder block, forming the combustion chamber. Example: CUMMINS B5.9-C Liner Kit in a Construction Loader.

• Piston Ring: Seals the combustion chamber and regulates oil consumption. It is fitted around the Piston. Example: KOMATSU 6D105 Piston Ring in an Excavator.

• Gasket Head: A seal placed between the cylinder block and the cylinder head to contain combustion pressure. Example: CATERPILLAR C7 Gasket Head in a Motor Grader.

• Crankshaft: Converts the reciprocating motion of the piston into rotational motion. Located at the bottom of the Cylinder Block. Example: ISUZU 6WG1 Crankshaft in a Mining Truck.

• Valve Guide: Provides lateral support for the valve stem and guides its movement. Press-fitted into the Cylinder Head. Example: YANMAR 4TNV94L Valve Guide in a Compact Loader.

• Nozzle (Injector): Atomizes fuel for injection into the combustion chamber. Located in the Cylinder Head or injector pump. Example: WEICHAI WP10 Injector Nozzle in a Bulldozer.

• Engine Bearing (Main/Con Rod): Reduces friction between rotating parts like the Crankshaft and the block/connecting rod. Example: KOMATSU 6D114 Engine Bearing in a Wheel Loader.

• Flameout Solenoid: An electrical device that shuts off the fuel supply to stop the engine. Usually mounted on the Diesel Pump. Example: KUBOTA V2203 Flameout Solenoid in a Mini Excavator.

• Pressure Switch: Monitors fluid pressure (oil, air, hydraulic) and sends a signal to the Monitor. Example: CATERPILLAR 3114 Pressure Switch in a Forklift.

• Fan Cooling: The mechanism (including the fan and motor) that moves air through the radiator to dissipate heat. Located near the Radiator. Example: ISUZU 4BG1 Fan Cooling Motor in an Skid Steer Loader.

Preventative Maintenance & Troubleshooting Corner

Maintenance Tip: Preventing KOMATSU 6D102 Engine Overheating

To prevent overheating in equipment with the KOMATSU 6D102 Engine (common in PC200-7 excavators), adhere to a strict cooling system schedule.

• Coolant Check: Verify coolant level daily and ensure it contains the correct concentration of antifreeze/coolant to prevent corrosion and maintain boiling point stability.

• Radiator Fins: Clean the radiator and oil cooler fins weekly. Dust, mud, and debris build-up significantly reduces heat dissipation, leading to high temperatures.

• Belt Tension: Check the Belt tension for the water pump and fan. A loose belt can cause the water pump to slip, resulting in inadequate circulation.

Troubleshooting: Low Power on CATERPILLAR 3116

If your machine with the CATERPILLAR 3116 Engine experiences sudden low power and excessive black smoke, the issue may be a faulty Turbocharger or a clogged air filter. Inspect the turbocharger for shaft play and check the Gasket Head for external leaks. A quality replacement Turbocharger for Caterpillar 3116 is often the solution to restore peak performance and fuel efficiency.