Introducing the Hyundai Alternator 21Q6-41000 and Komatsu Float Switch 7861-92-4800

Welcome to Honour Time Machinery Limited, your dedicated partner for High-Quality Replacement Engine Parts for construction machinery. We proudly feature the reliable Hyundai Alternator 21Q6-41000 (also known as 21Q641000) and the precision Komatsu Float Switch 7861-92-4800 (7861924800). These OEM-grade components offer a perfect fit, solving common electrical and monitoring issues associated with heavy-duty Hyundai and Komatsu excavators and equipment.

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Product Features & Critical Part Numbers

The Hyundai Alternator 21Q6-41000 is engineered for consistent performance:

• Optimized for Hyundai Heavy Equipment applications, ensuring system compatibility.

• Ensures consistent charging voltage output, vital for electrical system integrity.

• Direct replacement for 21Q6-41000 / 21Q641000.

• High efficiency to power complex electrical systems on modern machinery.

• Use for excavator or construction machinery.

The Komatsu Float Switch 7861-92-4800 ensures accurate fluid level monitoring:

• High precision liquid level sensing for Komatsu fluid management systems.

• Durable construction to withstand harsh operating conditions and vibration.

• Essential for monitoring fluid levels like fuel or hydraulic oil, preventing costly damage.

• Perfect fit for 7861-92-4800 / 7861924800.

• Use for excavator or construction machinery.

Comprehensive Product Specifications Table

Detailed technical specifications for the featured replacement parts:

Our Core Product Range: Engine and Machinery Parts

At Honour Time Machinery Limited, we specialize in high-quality engine assemblies and spare parts for leading brands like CUMMINS, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. We supply everything needed for a full engine overhaul or routine maintenance.

Engine Parts We Can Provide

20 Long-Tail SEO Keywords for Engine Parts:

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Models and Brands We Supply

We supply replacement parts for a wide range of engine models, including those from Komatsu, CATERPILLAR, Isuzu, Yanmar, and CUMMINS:

Engineering Machinery Parts Glossary

A list of key engine components and their function within construction equipment, essential for any repair shop or construction company seeking knowledge:

1. Piston Ring: Installed in the grooves of the Piston, sealing the combustion chamber and regulating oil. Example: Caterpillar 3116 Piston Ring.

2. Crankshaft: Located in the Cylinder Block, converts the piston's reciprocating motion into rotary motion. Example: Komatsu 6D102 Crankshaft.

3. Gasket Head: A seal placed between the Cylinder Block and Cylinder Head to prevent gas and coolant leaks. Example: CUMMINS QSB6.7 Gasket Head.

4. Turbocharger: Attached to the exhaust manifold, uses exhaust gases to spin a turbine that compresses intake air. Example: Isuzu 4HK1 Turbocharger.

5. Nozzle: Part of the fuel injector, sprays fuel into the combustion chamber or pre-chamber. Example: Yanmar 4TNV88 Fuel Nozzle.

6. Main Valve: Typically found in the Hydraulic Pump or Control Valve, regulates hydraulic flow and pressure. Example: KOBELCO SK200 Main Valve.

7. Flameout Solenoid: Installed on the Fuel Injection Pump, cuts off the fuel supply to shut down the engine. Example: Weichai WD615 Flameout Solenoid.

8. Monitor: The display unit in the operator cab, showing engine status and fault codes. Example: Komatsu PC200-8 Monitor.

9. Radiator: Located in the Cooling System (front of the engine), dissipates heat from the coolant. Example: VOLVO EC210D Radiator.

10. Valve Seat: Pressed into the Cylinder Head, provides a sealing surface for the engine valves. Example: Mitsubishi 6D16 Valve Seat.

Maintenance Tip: Troubleshooting Engine Overheating

Fault Scenario:

A Komatsu PC300-7 Excavator is experiencing frequent engine overheating, often forcing a shutdown.

Troubleshooting and Maintenance Solution:

Engine overheating in a Komatsu PC300-7 often signals cooling system failure. First, check the coolant level and inspect the Radiator fins for blockages (mud, debris). Ensure the Fan Cooling Belt is tensioned correctly, as slippage prevents proper air flow. A detailed maintenance plan involves flushing the coolant system every 2000 hours to remove scale and testing the thermostat's opening temperature. Replacing worn Gasket Kits during major service prevents internal fluid leaks that lead to overheating. Timely replacement of components like the Water Pump is crucial for preventing this recurring issue.

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Use the form below to inquire about the 21Q6-41000 Alternator, 7861-92-4800 Float Switch, or any other Caterpillar, Yanmar, or Isuzu engine parts you require.