komatsu HM400-1 SPECIFICATIONS

DIMENSIONS

2

9

.

5

R

2

5

2

9

.

5

R

2

5

2

9

.

5

R

2

5

2690 mm 8'10"

1600 mm 5'3"

1350 mm

4'5"

1970 mm 6'6"

720 mm

2'4"

620 mm

2'0"

7130 mm 23'5"

3450 mm 11'4"

4350 mm 14'3"

1820 mm

6'0"

620 mm

2'0"

3450 mm 11'4"

2885 mm 9'6"

45˚

26˚

70˚

11025 mm 36'2"

5400 mm 17'9"

4

1

7

0

m

m

1

3

'8

"

8

7

0

0

m

m

2

8

'7

"

2970 mm 9'9"

3700 mm 12'2"

F1

F2

F3

F4

F5

F6

706050403020100

0 10152025303540

0

3

5

6

7

8

9

10

20

30

40

50

100

60

80

40

30

20

10

5

4

3

2

0

50 60 70 80 90

100 110 120 130 150 180 200

2

1

4

20 30 40 50 60 70 80 90

LOADED

EMPTY

GROSS WEIGHT

TRAVEL SPEED

RIMPULL

TOTAL RESISTANCE (GRADE+ROLLING)(%)

35.0

30.0

25.0

20.0

15.0

14.0

13.0

12.0

11.0

10.0

9.0

8.0

7.0

6.0

5.0

4.0

3.0

2.0

10

3

lb

10

3

lb

10

3

kg

10

3

kg

km/h

MPH

010

0 102030405060

20 30 40 50 60 70 80 90 100 km/h

0

0 50 100 150 200

10 20 30 40 50 60 70 80 90 100 10

3

kg

103 lb

MPH

-10

-15

-20

-25

-30

-5

-35

-40

-45-50

TRAVEL SPEED

TOTAL RESISTANCE (GRADE + ROLLING) (%)

GRADE DISTANCE : COUNTINUOUS DESCENT

F1

F1

F2

F3

F4

F5

F6

F2

F3

F4

F5

F6

WITHOUT EXHAUST

EMPTY LOADED

WITH EXHAUST(OPTION)

TRAVEL PERFORMANCE

BRAKE PERFORMANCE

CEN00343-00

Standard equipment 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.

Printed in Japan 200807 IP.As(05)

GROSS HORSEPOWER

331 kW 444 HP

NET HORSEPOWER

321 kW 430 HP

MAXIMUM GVW

66,875 kg 147,435 lb

Photo may include optional equipment

ARTICULATED DUMP TRUCK

HM400-1

HM

400

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 m329.2 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