Place of Origin:
China
Brand Name:
Komatsu
Model Number:
6D125-2
| Product Name | Complete Diesel Engine Assembly |
| Komatsu Engine Model | S6D125E-2 - designation for Komatsu PC400-6 in Komatsu equipment handbook |
| Other Designations | 6D125-2; S6D125-2; SA6D125E-2; SAA6D125E-2; 6D125E-2 |
| Engine Family | Komatsu 125 series, 6 cylinder in-line, 4-stroke diesel |
| Bore / Displacement | Bore 125 mm; displacement 11.04 L (11,040 cc) |
| Rated Output | 188 kW / 252 HP at 2200 rpm in Komatsu PC400-6 fitment |
| Machine Models | Komatsu PC400-6; PC400LC-6; PC450-6 |
| Machine Class | 40 tonne class; operating weight approximately 41,400 kg |
| Condition | New / remanufactured / genuine used - declared per quotation |
| Warranty | 12 Months on new and remanufactured units; used units sold as inspected |
| Verification | Engine plate photograph and machine serial number required before dispatch |
| Packaging | Drained, openings plugged, mounted on steel-framed timber pallet, braced and sealed for sea freight |
| Engine Designation | S6D125E-2 |
| Compatible Machines | PC400-6; PC400LC-6; PC450-6; PC400; PC450 |
| Generation Coverage | E-2 generation serves PC400-6 / PC450-6. E-3 generation for PC400-7 / PC450-7 (SAA6D125E-3), E-5 generation for PC400-8 / PC450-8 and WA470-6 (SAA6D125E-5) |
Intake System Prefix: Komatsu engine codes use prefixes to describe intake systems - 6D125 (no prefix), S6D125 (turbocharged), SA6D125/SAA6D125 (turbocharged with aftercooling) are not interchangeable engines.
Generation Number: The generation number after the hyphen is essential - each generation changes injection, turbo or electronics. Confirm generation from engine plate, not listing title.
6D140 Engine: The 140 series is a separate, larger Komatsu engine with 140 mm bore, not a variant of the 125 series.
6151-11-3101: This is a fuel injector number, not an engine assembly number.
Cylinder Head Numbers: 6151-12-1100, 6151-12-1101, 6151-12-1102, 6156-12-1110, 6156-11-1101 are cylinder head assemblies, not complete engines.
"Original" Condition: Listings use "original" for new, remanufactured, and genuine used engines - confirm condition tier in writing.
Cylinder head assembly; cylinder liner and piston kits; fuel injectors 6151-11-3101; injection pump and governor; turbocharger; oil pump and water pump; gasket and overhaul kits; crankshaft, camshaft and bearings; starter motor and alternator.
6D125 is one of the most widely used Komatsu engine families. We provide accurate designation including prefix and generation, separate E-2/E-3/E-5 generations by machine model, flag 6D140 as a different engine, keep injector and head numbers out of assembly listings, and verify engine plate and machine serial before dispatch.
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