Your Reliable Source for Komatsu & Heavy Machinery Parts at Honour Time Machinery
As a source manufacturer and factory direct sales specialist, we offer complete support for engine maintenance. Beyond stocking Cylinder Liners, Pistons, and Piston Rings for the Komatsu S6D125, Honour Time specializes in customized development and production of various engine parts for foreign trade export, meeting unique client specifications for all major brands.
Quality and precision, from our factory floor to your job site.
Welcome to Honour Time Machinery Limited, your trusted partner in industrial engine solutions. We specialize in providing comprehensive engine overhaul components, focusing on reliable quality for demanding machinery applications. Our featured product set for the powerful Komatsu S6D125 engine includes the high-durability Piston (6150-31-2113 / 6150312113), the precision-machined Cylinder Liner (6150-21-2221 / 6150212221), and the complete Piston Ring Set (6150-31-20301 / 61503120301). Whether you are undertaking routine maintenance or a full engine rebuild, relying on quality components is the key to minimizing downtime and ensuring maximum operational efficiency for your Komatsu heavy equipment.
| Component | Specification Detail | Piston 6150-31-2113 | Liner 6150-21-2221 | Ring Set 6150-31-20301 |
|---|---|---|---|---|
| Piston/Liner Bore Diameter: | Bore Diameter: | 125 mm | 125 mm | RIK No: |
| Total Length / Inside Bore: | Total Length: | 148.5 mm | Inside Bore: | TP No: |
| Compression Height / Bottom Outside: | Comp Height: | 98.5 mm | Bottom Outside: | NPR No: |
| Chamber / Top Outside / Top Ring: | Chamber Dia: | 68 mm | Top Outside: | Top Ring: |
| Ring Groove / Flange Depth / 2nd Ring: | Ring Groove: | 3.0K / 2.5 / 4.0 | Flange Depth: | 2nd Ring: |
| Pin Size / Surface Treatment / Oil Ring: | Pin Size: | 50 mm | Surface Treatment: | Oil Ring: |
| No. of Cyl / FF/SF / Bushing No: | No. of Cyl: | 6 | FF/SF: | Bushing No: |
Note: All specs are nominal for Komatsu S6D125 engine, ensuring perfect fitment for 6150312113 piston and 6150212221 liner.
At Honour Time, our core business revolves around providing complete engine assembly and high-precision spare parts for the world's leading heavy equipment manufacturers. We stock and supply parts for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines. Are you searching for a Komatsu S6D125 piston and liner kit price? Do you need a reliable source for the 6150-31-2113 piston replacement cost? Our inventory includes essential components such as cylinder liners, pistons, piston rings, main bearings, con rod bearings, and thrust washers. We also supply full S6D125 engine overhaul kit full sets and specialized parts like diesel pumps, injectors, crankshafts, and turbochargers. Our commitment extends to providing the best aftermarket 6150-21-2221 cylinder liner, ensuring we are your one-stop shop for all high quality diesel engine spare parts and heavy machinery engine repair solutions.
Understanding your engine components is vital for effective repair. Here are 10 key terms integrated into strong keywords, perfect for optimizing your industrial engine components supplier search:
Piston Ring: Seals the combustion chamber; located in the piston grooves. Keyword: Komatsu PC400-7 Piston Ring Size.
Thrust Washer: Limits the axial (side-to-side) movement of the crankshaft; located at the main bearing journals. Keyword: Thrust Washer Function in Internal Combustion Engine.
Turbocharger: Compresses air to force more into the combustion chamber; mounted on the engine exhaust manifold. Keyword: Cummins QSB 6.7 Turbocharger Price.
Connecting Rod Bearing: Allows the connecting rod to spin freely around the crankshaft journal; located inside the connecting rod big end. Keyword: Caterpillar C9 Connecting Rod Bearing.
Water Pump: Circulates coolant through the engine block and radiator; typically mounted on the front of the engine block. Keyword: Isuzu 4BG1 Water Pump Replacement.
Main Bearing: Supports the crankshaft; located in the engine block's main bores. Keyword: Kubota V2203 Main Bearing Set.
Injector Nozzle: Sprays atomized fuel into the combustion chamber; located in the cylinder head. Keyword: Yanmar 4TNV98 Injector Nozzle Kit.
Cylinder Head: Seals the top of the cylinder block and contains the valves; bolted to the top of the engine block. Keyword: Weichai WP10 Cylinder Head Assembly.
Oil Pump: Pressurizes and circulates engine oil; typically submerged in the oil pan or mounted on the block. Keyword: Komatsu SAA6D125 Oil Pump Failure.
Connecting Rod Bushing: Provides a wear surface for the piston pin; pressed into the small end of the connecting rod. Keyword: Connecting Rod Bushing Installation Guide.
A common issue in heavy equipment like the Komatsu PC400-7 Excavator, which uses the S6D125 engine, is sudden engine overheating.
Fault: Komatsu PC400-7 S6D125 Engine Overheating. This can often be traced back to a faulty water pump or a blocked cooling system.
Solution: First, check the coolant level and look for external leaks. If the level is correct, inspect the thermostat. If overheating persists, the Water Pump may be failing to circulate the coolant effectively. Replacing the pump, along with flushing the system and ensuring the correct Oil Pump pressure, is crucial. This proactive maintenance prevents severe damage to parts like the Cylinder Head and ensures the longevity of your Genuine vs Aftermarket Komatsu Parts investment.
Ready to secure your Komatsu S6D125 overhaul kit? We have the 6150-31-2113 Piston, 6150-21-2221 Liner, and 6150-31-20301 Ring Set ready for global export.
Providing precision engine parts globally for Cummins, Caterpillar, Komatsu, and more.
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