Komatsu HM400-1 - Page 2

Lubrication-Free Oscillating Hitch
The lubricant-free oscillating hitch
means lower operating costs.
3
HM400-1
ARTICULATED DUMP TRUCK
Hydropneumatic Suspension
for All Terrain
The hydropneumatic suspension
assures a comfortable ride even
over rough terrain.
Interaxle & Differential Locks for
Excellent Traction in Rough Terrain
The oil-cooled multiple-disk interaxle lock
and differential locks can be turned on
and off during travelling.
Also the differential locks can lock up all
3-axles differentials for maximum traction.
Komatsu Designed Electronically Controlled
Transmission for a Comfortable Ride
F6-R2 counter-shaft type transmission with
K-ATOMiCS (Komatsu Advanced Transmission
with Optimum Modulation Control System).
Reliable Wet Type Multiple-Disk Brake and
Retarder
● Fully hydraulically controlled wet multiple-disk
brake.
● Retarder Absorbing Capacity (continuous descent):
405 kW 544 HP
583 kW 782 HP (with optional exhaust retarder)
Easy-to-Load Body
● Heaped capacity: 22.3 m
3
29.2 yd
3
● Low loading height: 2970 mm 9'9"
● Robust body constructed of thick wear-resistant
steel having 400 Brinell hardness.
GROSS HORSEPOWER
331 kW 444 HP @ 2000 rpm
NET HORSEPOWER
321 kW 430 HP @ 2000 rpm
MAXIMUM GVW
66,875 kg 147,435 lb
2
HM400-1 Articulated Dump Truck
W ALK -A ROUND
W ALK -A ROUND
Tiltable Cab
The cab can be tilted rearward to provide easy
service.
Wide, Spacious Cab
● The wide cab offers a comfortable operator
environment.
● Viscous mounts support the cab while
absorbing vibrations and noise.
● Interior noise level: 76 dB(A).
Fully Hydraulic Articulated Steering
● Light and easy operation
● Minimum turning radius: 8.7 m 28' 7"
The HM400-1 offers all around maximum productivity with faster travel speed and many
features enhancing efficiency, as well as reduced maintenance costs. Everywhere from
construction sites to landfill, the HM400-1 excels.
High Performance and Environment
friendly SAA6D140E-3 Engine
● Gross Horsepower:
331 kW 444 HP