Komatsu INDUSTRIAL ENGINES

Discontinued

Komatsu S6D125-1

125 Series

Komatsu S6D125-1 discontinued legacy engine. Older Komatsu 125 Series mechanical diesel used in dozers and heavy construction equipment.

Komatsu S6D125-1|MID-RANGE CLASSIFICATION
GENSET ARCHITECTURE: L6, naturally aspirated11.04 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATIONN/A
ELECTRICAL OUTPUTN/A
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Cylinders / Config

L6, naturally aspirated

Displacement

11.04 L

Mechanical & Electrical Specifications

BrandKomatsu
ModelS6D125-1
Series125 Series
ConfigurationL6, naturally aspirated
Cylinders6
Displacement11.04 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginJapan

Frequently Asked Questions

What is the maximum power output of the Komatsu S6D125-1?

The Komatsu S6D125-1 has a maximum mechanical output of 163.3 kW at 2,000 rpm. This is a variable-speed off-road rating, not a fixed-speed generator-set rating.

What fuel does the Komatsu S6D125-1 use?

The Komatsu S6D125-1 is a diesel variable-speed industrial engine.

What is the displacement and cylinder configuration of the S6D125-1?

The Komatsu S6D125-1 is an inline-6 (6-cylinder) engine with a displacement of 11.04 L.

Is the S6D125-1 still in production?

No — the Komatsu S6D125-1 is discontinued. Its specifications and datasheets remain archived here for reference.

Sibling & Competing Engine Models