Komatsu D31EX-21, Operation & Maintenance Manual, Page: 238 / 256

SPECIFICATIONS
SPECIFICATIONS
5-2
SPECIFICATIONS 5
With power angle power tiltdozer and ROPS cab
* Machines equipped with narrow blade
With power angle power tiltdozer and ROPS cab
* Machines equipped with narrow blade
Item Unit D31EX-21 D31PX-21
Machine weight kg 7,130 7,650
Name of engine - Komatsu SAA4D102E-2 diesel engine
Engine horsepower kW (HP)/rpm 56 (75)/2,000
A Overall length mm 4,015 3,995
B Overall height
(Not including antenna) mm 2,700 2,700
(To tip of exhaust pipe) mm 2,645 2,645
C Overall width mm 2,435
3,200
*2,875
Travel speed
(Quick shift mode)
Forward
1st/2nd/3rd
km/h 3.4/5.6/8.5
Bckward
1st/2nd/3rd
km/h 4.1/6.5/8.5
Travel speed
(Variable shift mode)
Forward km/h 0.8 - 8.5
Backward km/h 0.8 - 8.5
Item Unit D37EX-21 D37PX-21
Machine weight kg 7,410 7,770
Name of engine - Komatsu SAA4D102E-2 diesel engine
Engine horsepower kW (HP)/rpm 63 (85)/2,000
A Overall length mm 4,015 3,995
B Overall height
(Not including antenna) mm 2,700 2,700
(To tip of exhaust pipe) mm 2,645 2,645
C Overall width mm 2,720
3,250
*2,875
Travel speed
(Quick shift mode)
Forward
1st/2nd/3rd
km/h 3.4/5.6/8.5
Bckward
1st/2nd/3rd
km/h 4.1/6.5/8.5
Travel speed
(Variable shift mode)
Forward km/h 0.8-8.5
Backward km/h 0.8-8.5