The Core of Engine Reliability: Komatsu 6D140 Engine Parts

Welcome to Honour Time Machinery Limited, your definitive global partner for premium internal combustion engine components. We specialize in providing high-quality, reliable aftermarket solutions for top construction and industrial machinery brands, including Komatsu, Caterpillar, Cummins, Isuzu, Kubota, Yanmar, and Weichai. Our focus today is on critical parts for the robust Komatsu 6D140 engine. Ensuring optimal engine performance requires meticulous selection of replacement parts, particularly the piston, liner, and ring assemblies. We supply the high-precision Piston No. 6212-31-2170 (6212312170), the durable Cylinder Liner No. 6211-21-2210 (6211212210), and the essential Piston Ring Set No. 6211-31-2031 (6211312031). These components are designed to meet or exceed OEM specifications, crucial for applications that demand maximum uptime.

Detailed Component Specifications

Below are the full technical specifications for the featured Komatsu 6D140 components, ensuring you have the exact information needed for precise engine maintenance.

Global Supply Chain for Diesel Engine Spares

At Honour Time Machinery Limited, our primary business encompasses the complete supply of engine assemblies and their essential spare parts for leading brands. We are renowned for high-quality components, providing everything from a complete engine assembly replacement to individual components like Cylinder Liner, Piston, Piston Ring, Crankshaft Bearing, Connecting Rod Bearing, Thrust Washer, and Overhaul Gasket Kits.

We are a reliable source for Cummins parts, Caterpillar engine components, and Komatsu aftermarket spares. Our inventory also includes precision-engineered parts such as the Diesel Fuel Pump, Fuel Injector, Crankshaft, Turbocharger, Water Pump, Oil Pump, Cylinder Block, Cylinder Head, and Connecting Rods. Whether you need a reliable engine parts distributor, are looking for a competitive diesel engine rebuild kit price, or searching for genuine Komatsu aftermarket parts, we provide solutions.

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Engineering Machinery Component Glossary

Understand the critical components that keep heavy machinery running efficiently.

• Piston: Installed in the Combustion Chamber. Example: CATERPILLAR 3306 Piston for D6R Bulldozer.

• Main Bearing: Installed on the Crankshaft Journal. Example: CUMMINS NT855 Main Bearing for KENWORTH T800.

• Cylinder Liner: Installed in the Cylinder Block. Example: KOMATSU SAA6D125E Liner for WA380 Wheel Loader.

• Connecting Rod: Installed between the Piston and Crankshaft. Example: YANMAR 4TNV94L Connecting Rod for Mini Excavator ViO50.

• Fuel Injector: Installed on the Cylinder Head. Example: ISUZU 6BG1 Injector for EX200 Excavator.

• Thrust Washer: Installed on the Crankshaft End. Example: KUBOTA V3307 Thrust Washer for Skid Steer SVL95-2S.

• Water Pump: Installed on the Engine Block Front. Example: WEICHAI WP12 Water Pump for Dump Truck.

• Turbocharger: Installed on the Exhaust Manifold. Example: CUMMINS QSB6.7 Turbocharger for Road Grader.

• Oil Cooler: Installed in the Engine Oil Circuit. Example: CATERPILLAR C9 Oil Cooler for 966H Wheel Loader.

• Camshaft: Installed in the Cylinder Head or Block. Example: KOMATSU 4D95 Camshaft for PC78US Excavator.

Machinery Fault Diagnosis and Resolution

Fault Scenario: Intermittent Power Loss and Rough Running on ISUZU 4JJ1 Engine (e.g., in a Hitachi Zaxis 120 Excavator).

Resolution Detail: This issue often points to a failing Common Rail Fuel Injector. The injector may intermittently fail to atomize fuel correctly or leak due to worn internal parts, leading to an incorrect air-fuel ratio in one or more cylinders.
Treatment:

• Perform a cylinder contribution test using diagnostic software to isolate the failing cylinder.

• Check fuel pressure to ensure the common rail pump is functioning correctly.

• If the injector is confirmed faulty, replace it with a genuine or high-quality aftermarket unit. Honour Time supplies certified injectors to restore peak power and fuel efficiency to your Isuzu engine.