굴착기 Komatsu용 엔진 Komatsu 6D102

Product Overview
The Komatsu 6D102 is a reliable and efficient inline 6-cylinder, 4-stroke, water-cooled diesel engine with a displacement of 5.9 liters. It is widely used in Komatsu excavators, bulldozers, wheel loaders, and other heavy equipment. With its robust design, strong torque output, and proven durability, the 6D102 has become one of Komatsu’s most popular engines for medium-sized construction machinery.

Basic Information

Type: Inline 6-cylinder, 4-stroke, water-cooled diesel engine

Displacement: 5.9 L

Bore × Stroke: 102 mm × 120 mm

Number of Valves: 2 per cylinder, total 12 valves

Compression Ratio: Approximately 17:1

Performance

Maximum Power: about 100–125 kW (135–168 HP) @ 1950–2200 rpm (depending on version)

Strong low-speed torque for heavy-duty applications

Fuel System: Mechanical direct injection (later versions available with electronic control)

Emission Standard: Early versions non-emission; updated versions comply with stricter standards

Structure and Maintenance

Cooling: Water-cooled

Starting: Electric starter

Weight: approx. 600–700 kg (varies with configuration)

Replaceable wet cylinder liners for extended service life

Easy access for servicing and maintenance

Applications

Excavators (e.g., Komatsu PC200-6, PC220-6)

Bulldozers

Wheel loaders

Industrial and construction equipment

Core Advantages

Proven Komatsu durability and long service life

High torque and stable power delivery

Easy maintenance and wide availability of spare parts

Suitable for various heavy-duty construction environments

Related Models
We also provide other Komatsu engines such as 4D95, 6D95, 6D107, 6D114, and 6D125, offering complete solutions for Komatsu machinery.