Maintenance-free oscillating hitch
with tapered roller bearings
means lower operating costs by
eliminating the need to lubricate the hitch.
3
HM300-1
ARTICULATED DUMP TRUCK
Hydro-pneumatic Suspension
for all terrains.
The hydro-pneumatic suspension in both
front and rear suspensions assures a
comfortable ride even over rough terrain.
2
HM300-1 Articulated Dump Truck
W
ALK
-A
ROUND
W
ALK
-A
ROUND
Differential locks for excellent
traction in rough terrain. The oil-
cooled multiple-disc interaxle lock can be
turned on and off during travel. In addition,
the limited slip differentials prevent the tires
on either side from slipping on soft ground for
maximum traction.
Tiltable cab can be tilted rearward
to provide easy service.
Komatsu designed, electronically controlled
transmission for a comfortable ride.
F6-R2 counter-shaft type transmission with K-ATOMiCS
(Komatsu Advanced Transmission with Optimum Control
System).
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)
Reliable, continuously cooled, wet type
multiple-disc brake and retarder
● Fully hydraulic controlled wet multiple-disc brake
● Retarder Absorbing Capacity (continuous descent)
349 kW
468 HP
449 kW 602 HP (with optional exhaust retarder)
Easy-to-Load Body
● Heaped capacity 16.6 m321.7 yd
3
● Low loading height 2790 mm 9'2"
● Robust body constructed of thick wear-
resistant steel having 400 Brinell hardness
High performance and
environment-friendly
SAA6D125E-3 engine
● Gross horsepower 250 kW 335 HP
Fully hydraulic articulated steering
● Light and easy operation
● Minimum turning radius 7.96 m 26'1"
The HM300-1 offers all around maximum productivity with faster travel speed and
many features that enhance efficiency, while reducing maintenance costs. From
construction sites to landfill - the HM300-1 excels.
GROSS HORSEPOWER
250 kW 335 HP @ 2000 rpm
NET HORSEPOWER
242 kW 324 HP @ 2000 rpm
MAXIMUM GVW
49,875 kg 109,960 lb