Komatsu PC60-7 Excavator Throttle Control Board 21W-06-21712 / 21W0621712 | High-Quality Replacement & Engine Parts Solution

Engine Liner Kit Customization Service

As a Source Manufacturer with Factory Direct Sales capabilities, we support Customized Development of various high-quality engine cylinder liners and sleeves for Foreign Trade Export. Partner with us to ensure perfect fitment and superior performance for your heavy machinery needs.

Keywords: Komatsu 6D102 Liner Kit CustomizationCaterpillar C7 Cylinder Liner Factory DirectIsuzu 4BG1 Engine Cylinder Sleeve DevelopmentYanmar 4TNV88 Piston Liner Set Export

Reliable Control for Your Komatsu PC60-7 Excavator

Are you experiencing performance issues or searching for a reliable replacement for your Komatsu PC60-7 Excavator Throttle Control Board? We provide the exact fit, high-quality component you need: TOSD-02-068, with the official Part Number 21W-06-21712 and its simplified version 21W0621712. This vital Accelerator Motor component ensures precise engine speed management, preventing symptoms like unstable RPM and contributing to a Solution for excessive engine oil consumption often linked to faulty control signals. We focus on delivering High-Quality Chinese Replacement Governor Boards that meet or exceed original specifications.

Your Premier Source for Heavy Equipment Engine Parts

Honour Time Machinery Limited is your trusted global partner, specializing in comprehensive Engine Assembly and Spare Parts for major brands including cumminskomatsuCaterpillarisuzukubotayanmar, and weichai. Our extensive product line covers everything required for a full engine overhaul kit and maintenance, addressing problems from gasket head leaks to turbocharger failures.

Our inventory includes crucial engine components like Liner KitPistonPiston RingCrankshaft BearingConnecting Rod BearingThrust WasherFuel PumpInjector (for Cummins B5.9-C injector repair), CrankshaftTurbocharger (e.g., Caterpillar 3116 turbocharger price inquiry), Water Pump (Yanmar 4TNV98 water pump parts), Oil PumpCylinder Block (Weichai engine block distributor), Cylinder Head (Isuzu 4HK1 cylinder head supplier), and Connecting Rod. We are the solution for your Genuine replacement excavator parts needs and ensuring reliable Sourcing engine main bearing components.

Extensive Engine Parts & Model Coverage

We supply both the Komatsu PC60-7 Governor/Throttle Controller and a wide array of other engine and machinery components.

Core Engine Parts We Can ProvideOther Control & Cooling Parts
Liner KitPressure Switch
PistonFlameout Solenoid
Piston Ring (Diesel engine piston ring set)Monitor
Gasket KitRadiator
Gasket Head (Engine gasket head leak repair)Main Valve
CrankshaftBelt
Valve GuideAccelerator Motor (Heavy equipment throttle actuator problems)
NozzleTransmitter
Bearing (Engine connecting rod bearing set)Fan Cooling
Engine BearingOther Engine Parts Model We Can Provide
Cylinder BlockValve Seat

Supported Engine Models

BrandEngine Model
Komatsu3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170
KOBELCOJ05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34
CATERPILLAR3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13
Mitsubishi4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40
ISUZU3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1
Yanmar4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106
HINOJ05E, J08E, V25C, EF750, P11C, V21C, H06CT, H07D
CUMMINSQSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C
VOLVOD6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D

Key Engineering Machinery Component Definitions

Understanding your parts is essential for long-term maintenance and ensuring proper Fuel injection pump service.

1. Piston Ring: Located in the piston grooves, it seals the combustion chamber and manages oil on the cylinder wall.
Keyword Example: Komatsu 6D102 Excavator Piston Ring.
2. Cylinder Head: Sits atop the cylinder block, forming the combustion chamber, and houses the valves and injectors.
Keyword Example: Isuzu 6BG1 Engine Cylinder Head.
3. Turbocharger: Mounted on the exhaust manifold, it uses exhaust gas to spin a turbine, forcing more air into the engine.
Keyword Example: Caterpillar C9 Wheel Loader Turbocharger.
4. Flameout Solenoid: Installed on the fuel pump or engine block, it cuts off the fuel supply when deactivated to shut down the engine.
Keyword Example: Cummins QSB6.7 Diesel Engine Flameout Solenoid.
5. Water Pump: Located at the front of the engine block, it circulates coolant throughout the cooling system.
Keyword Example: Yanmar 4TNV94L Engine Water Pump.
6. Liner Kit: The assembly of the cylinder liner, piston, piston ring, and piston pin, forming the core combustion unit.
Keyword Example: Kubota V2203 Liner Kit Set.
7. Crankshaft Bearing (Main Bearing): Positioned in the cylinder block, it supports the crankshaft and reduces friction.
Keyword Example: Weichai WP10 Truck Engine Crankshaft Bearing.
8. Pressure Switch: Found in the oil or cooling lines, it monitors system pressure and sends a signal to the monitor.
Keyword Example: Komatsu PC200-8 Hydraulic Pressure Switch.
9. Connecting Rod: Links the piston to the crankshaft, transforming the piston's reciprocating motion into the crankshaft's rotary motion.
Keyword Example: Caterpillar 3114 Engine Connecting Rod.
10. Valve Guide: Inserted into the cylinder head, it guides the movement of the engine's intake and exhaust valves.
Keyword Example: Isuzu 4JB1 Engine Valve Guide.

Maintenance Tips and Troubleshooting: Isuzu 4HK1 Excavator

Fault: Isuzu 4HK1 Excavator Excessive White Smoke

Troubleshooting: Excessive white smoke from an Isuzu 4HK1 Excavator engine often indicates water vaporizing in the combustion chamber or cold temperatures. If the engine is warm, check the coolant level and look for signs of a blown Engine gasket head leak repair or a cracked cylinder head/block. A coolant pressure test can confirm if combustion gases are entering the cooling system. Immediate repair is required to prevent catastrophic engine failure.

Routine Excavator Maintenance Scheme

  • Daily: Check engine oil level, coolant level, and look for visible fluid leaks (oil, fuel, hydraulic fluid).

  • 250 Hours: Inspect Belt tension and condition, check battery water level, and inspect air filter.

  • 500 Hours: Change engine oil and filter. Replace the Fuel injection pump service filter. Check all electrical connections, including the PC60-7 Throttle Control Board wiring.

  • 1000 Hours: Replace fuel filters and hydraulic oil filter. Inspect Diesel engine piston ring set integrity via blow-by tests if performance is degrading.

Crankshaft Product Specification & Ordering Details

AttributeDetailNotes
Product NameCrankshaftCore component for engine assembly
Engine ModelCummins 6BT 5.9-CCommon model for this product category
Part Number3914035 / 3914035Example Part Number (Hyphenated/Non-Hyphenated)
OEM/ODM ServiceProvidedCustom Sourcing engine main bearing and development available
Condition100% NewGuaranteed quality for long life
MOQ1 pieceFlexible ordering for repair shops or individual use
PackingWooden cases or palletsSafe and secure transit for heavy components
Supply Ability1000pcs per monthReliable supply chain for Foreign Trade Export
Payment TermsT/T, Western Union, MoneyGramMultiple secure payment options
Delivery MethodsExpress: DHL Fedex EMS UPS or by Air/ SeaFast and reliable delivery worldwide
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Honour Time Machinery Limited is a certified source manufacturer and global supplier specializing in high-quality excavator and heavy equipment engine components, including Cummins, Komatsu, and Caterpillar parts.

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