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W

ALK

-A

ROUND

HM400

-2R

ARTICULATED DUMP TRUCK

HM400

-2R

A

R T I C U L A T E D

D

U M P

T

R U C K

3

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

Interaxle & differential locks provide excellent traction in rough terrain. 

The oil-cooled multiple-disc interaxle lock and differential locks can be turned on and off during travel. In addition,
the differential locks can lock up all three axles’ differentials for maximum traction.

Tiltable cab 

can be tilted rearward

32 degrees 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
Modulation Control System).Transmission shift hold 
button optimizes the operator control.

Wide, spacious cab with 
excellent visibility

The wide cab offers a comfortable operator
and passenger environment

Viscous mounts support the cab while
absorbing vibrations and noise

Low-noise cab through improved sealing
with integrated floor 
Interior noise level 76 dB(A)

Additional front under view mirrors 
provide superior visibility

Air suspension seat is standard

Power window (L.H)

High capacity, reliable, continuously cooled, wet type multiple-disc brakes and retarder

Fully hydraulic controlled wet multiple-disc brake

Retarder absorbing capacity (continuous descent) 

389 kW

533 HP

Easy-to-load body

Heaped capacity 

22.3 m

3

29.2 yd

3

Low loading height 

2970 mm

9'9"

High strength body constructed of thick wear-resistant
steel having 400 Brinell hardness

High performance Komatsu
SAA6D140E-5 engine

Gross horsepower 

338 kW

453 HP

Engine power mode selection system realizes
both greater productivity and improved fuel
economy

Higher engine output and torque improve pro-
ductivity in all applications

Fully hydraulic articulated steering

Light and easy operation

Minimum turning radius 

8.7 m

28'7"

The HM400-2R offers all around maximum productivity with faster travel speed and many
features that enhance efficiency, while reducing maintenance costs.  From rough terrain
construction sites to landfills - the HM400-2R has the competitive edge.

GROSS HORSEPOWER

338 kW

453 HP @ 2000 rpm

NET HORSEPOWER

327 kW

438 HP @ 2000 rpm

MAXIMUM GVW

69040 kg

152,200 lb

Photo may include optional equipment.

Summary of Contents for HM400-2R

Page 1: ...quipment may vary for each country and this specification sheet may contain attachments and optional equipment that are not available in your area Please consult your Komatsu distributor for detailed information GROSS HORSEPOWER 338 kW 453 HP NET HORSEPOWER 327 kW 438 HP MAXIMUM GVW 69040 kg 152 200 lb Photo may include optional equipment HM400 2R A RTICULATED D UMP T RUCK ...

Page 2: ...roved sealing with integrated floor Interior noise level 76 dB A Additional front under view mirrors provide superior visibility Air suspension seat is standard Power window L H High capacity reliable continuously cooled wet type multiple disc brakes and retarder Fully hydraulic controlled wet multiple disc brake Retarder absorbing capacity continuous descent 389 kW 533 HP Easy to load body Heaped...

Page 3: ...ehicle conditions This high technology system assures smooth shifts without shock and maximizes power train life 5 HM400 1 ARTICULATED DUMP TRUCK 4 The combination of high travel speeds and an efficient engine delivers maximum productivity at the lowest cost Komatsu technology Komatsu develops and produces all major components such as engines electronics and hydraulic components in house With this...

Page 4: ...quiet and comfortable operator environment Wide spacious cab with excellent visibility The wide cab provides a comfortable space for the operator and a full size buddy seat Large electrically operated window and the operator s seat positioned to the left side ensures superior visibility Ergonomically designed cab The ergonomically designed operator s compartment makes it very easy and comfortable ...

Page 5: ...ont and center axle brakes act as retarder WEIGHT APPROXIMATE Empty weight 32 460 kg 71 560 lb Gross vehicle weight 69 040 kg 152 200 lb Weight distribution Empty Front axle 55 1 Center axle 22 8 Rear axle 22 1 Loaded Front axle 29 0 Center axle 35 7 Rear axle 35 3 BODY Capacity Struck 16 5 m3 21 6 yd3 Heaped 2 1 SAE 22 3 m3 29 2 yd3 Payload 36 5 metric tons 40 U S tons Material 130 kg mm2 185 000...

Page 6: ... and monitor OTHER Alternator 75A 24V Auto Retarder with Accelerator Control ARAC Fire extinguisher Gas charge tool Spare parts for first service Tool kit Vandalism protection ENGINE Alternator 60A 24V Batteries 2 x 12V 136Ah Engine Komatsu SAA6D140E 5 Exhaust muffler Starting motor 1 x 11 0 kW CAB Air conditioner Ashtray Cigarette lighter Cup holder Electronic maintenance display monitor ing syst...

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