Komatsu D155A-5 User Manual

FLYWHEEL HORSEPOWER
225 kW
302 HP @ 1900 rpm
OPERATING WEIGHT
38700 kg
85,320 lb
Photo may include optional equipment
CRAWLER DOZER
D155A-5
D
155A
www.Komatsu.com Printed in Japan 200803 IP. AD (05)
CEN00003-02 Materials and specifications are subject to change without notice
is a trademark of Komatsu Ltd. Japan

Komatsu D155A-5 Specifications

General

Engine Model	Komatsu SAA6D140E-3
Operating Weight	38, 800 kg (85, 539 lb)
Blade Width	4, 270 mm (14 ft)
Blade Capacity	14.5 m³ (19.0 yd³)
Net Horsepower	354 hp (264 kW)
Length	7, 570 mm (24 ft 10 in)

Summary

Operator's Compartment

Operator Controls and Ergonomics

Details on single-lever joystick control for steering, direction, and speed, enhancing natural operation.

Work Equipment Control Lever

Electronic Monitor Panel

Steering Clutches and Brakes

Explains wet type multiple-disc steering clutches and brakes, hydraulically released for maintenance-free operation.

Undercarriage and Frame

Advanced Resilient Equalized Undercarriage (REU)

Describes Komatsu's X-type bogie REU system, enhancing traction, durability, and operator comfort on uneven ground.

Engine Features

Fuel Efficiency and Preheating

Technical Specifications

Engine Specifications

Provides detailed specifications for the Komatsu SA6D140E-2 diesel engine.

Torqflow Transmission

Details the TORQFLOW transmission, including torque converter and planetary gear clutch system.

Steering System

Describes the joystick control for steering and the wet, multiple-disc steering clutches/brakes.

Capacity and Operating Weight

Dimensions and Dozer Equipment

Hydraulic System Details

Dozer Blade Specifications