Komatsu 6D125 engine for Komatsu 6D125
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This engine features turbocharging and air intercooling, offering powerful power and high torque. It is suitable for heavy-duty construction machinery, bulldozers, loaders, excavators, and large generator sets. Known for its high reliability, durability, and stable output, it is particularly well-suited for high-load, continuous operation.
Komatsu 6D125 Product Specifications (Overview)
Engine Type: Inline 6-cylinder, 4-stroke, liquid-cooled
Displacement: 12.5L
Bore × Stroke: 125 mm × 145 mm
Compression Ratio: Approximately 16.5:1
Intake: Turbocharged + intercooled
Fuel System: Mechanical injection or electronically controlled (depending on model)
Rated Power: Approximately 220–276 kW (295–370 hp) @ 2000 rpm
Maximum Torque: Approximately 1450–1700 Nm @ 1400 rpm
Number of Valves: 24 (4 valves per cylinder)
Cooling: Liquid
Starting: Electric
Emission Standards: EU Stage II / EPA Tier 2 (some models can reach Stage 2) III)
Applicable Scenarios:
Heavy construction machinery (large excavators, bulldozers, loaders)
Industrial equipment (large generators, pumps)
High-load, continuous operation environments
We also offer a full range of Komatsu engines to meet the power needs of various types of equipment, providing a one-stop solution to ensure your equipment always maintains optimal performance.