Komatsu 6D125용 엔진 Komatsu 6D125

Product Description: The 6D125 is a Komatsu inline six-cylinder, water-cooled, four-stroke diesel engine with a displacement of approximately 12.5L.
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.