Komatsu D31E-20 vs. Komatsu D85E-21 Crawler dozers Comparison

Compare available technical data for Bulldozers. Find the right details to make your decision easier.

Comparison

Highlight differences

Komatsu D31 Crawler dozers

Komatsu D85 Crawler dozers

Engine

Aspiration

Aspiration Turbocharged

Net power

Net power 52.2 kw

Net power -

Number of cylinders

Number of cylinders 4

Number of cylinders 6

Power measured @

Power measured @ 2,350 rpm

Power measured @ 2,000 rpm

Gross power

Gross power -

Gross power 167.79 kw

Torque measured @

Torque measured @ -

Torque measured @ 1,400 rpm

Years

Years 1993-1996

Years 1988-2003

Market Average

Market Average AED 210,000

Market Average AED 450,000

Price

Price AED 120,000

Price AED 320,000

Service refill capacities

Cooling fluid cap

Cooling fluid cap 22.33 liter

Cooling fluid cap 79.11 liter

Fuel cap

Fuel cap 115.06 liter

Fuel cap 480.32 liter

Hydraulic fluid cap

Hydraulic fluid cap -

Hydraulic fluid cap 101.06 liter

General

Displacement

Displacement 3,921.43 cu cm

Displacement -

Drive type

Drive type Komatsu HYDROSHIFT transmission

Drive type TORQFLOW

Engine model

Engine model S4D102E

Engine model S6D125E

Max speed forward

Max speed forward 6.6 kph

Max speed forward 6.12 kph

Operating weight

Operating weight 6,290 kg

Operating weight 23,200 kg

Blade capacity

Blade capacity -

Blade capacity 5.28 cu m

Blade width

Blade width -

Blade width 3.75 m

Max torque

Max torque -

Max torque 102.91 Nm

Operating voltage

Operating voltage -

Operating voltage 24 V

Refill capacities

Engine oil cap

Engine oil cap 14 liter

Engine oil cap 27.25 liter

Final drives fluid cap

Final drives fluid cap 9.84 liter

Final drives fluid cap 41.26 liter

Undercarriage

Ground contact area

Ground contact area 31,522.23 cu cm

Ground contact area 80,798.24 cu cm

Ground pressure

Ground pressure 0.41 bar

Ground pressure 0.58 bar

Number of shoes per side

Number of shoes per side 37

Number of shoes per side 39

Number of track rollers per side

Number of track rollers per side 5

Number of track rollers per side 7

Track gauge

Track gauge 1.46 m

Track gauge 2.01 m

Track width

Track width 33.02 cm

Track width 56.13 cm

Track length

Track length -

Track length 3.08 m

Transmission

Max speed reverse

Max speed reverse 7.24 kph

Max speed reverse 7.89 kph

Number of forward gears

Number of forward gears 3

Number of reverse gears

Number of reverse gears 3

Hydraulic system

Pump type

Pump type Gear driven

Relief valve pressure

Relief valve pressure 172 bar

Relief valve pressure 191.23 bar

Pump flow cap

Pump flow cap -

Pump flow cap 194.17 lpm

Dimensions

Blade height

Blade height -

Blade height 1.45 m

Height - top of cab

Height - top of cab -

Height - top of cab 3.47 m

Length with blade

Length with blade -

Length with blade 6.28 m

Performance

Looking at performance technical specs and key features the Komatsu D31E-20 Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Komatsu D85E-21 Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D31E-20 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Komatsu D85E-21 Crawler dozers.