Komatsu D21AG-7E vs. Komatsu D575A-2 Crawler dozers Comparison

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

Comparison

Highlight differences

Komatsu D21 Crawler dozers

Komatsu D575 Crawler dozers

Dimensions

Blade height

Blade height 0.59 m

Blade height 2.74 m

Ground clearance

Ground clearance 0.3 m

Ground clearance 0.76 m

Height - top of cab

Height - top of cab 2.47 m

Height - top of cab 4.91 m

Length with blade

Length with blade 3.41 m

Length with blade 12.01 m

Width over tracks

Width over tracks 1.62 m

Width over tracks 4.21 m

Length without blade

Length without blade -

Length without blade 7.28 m

Years

Years 1972-1979

Years 1995-2004

Market Average

Market Average AED 120,000

Market Average AED 4,600,000

Price

Price AED 70,000

Price AED 3,500,000

General

Blade width

Blade width 2.19 m

Blade width 5.88 m

Displacement

Displacement 2,775.97 cu cm

Displacement 46,300.11 cu cm

Drive type

Drive type Hydrostatic

Drive type TORQFLOW

Engine model

Engine model 4D94E

Engine model SA12V170

Operating weight

Operating weight 3,720 kg

Operating weight 129,200 kg

Max speed forward

Max speed forward -

Max speed forward 12.07 kph

Engine

Gross power

Gross power 29.83 kw

Gross power 794.18 kw

Number of cylinders

Number of cylinders 4

Number of cylinders 12

Power measured @

Power measured @ 2,450 rpm

Power measured @ 1,800 rpm

Aspiration

Aspiration -

Aspiration Turbocharged, emission certified diesel

Transmission

Number of forward gears

Number of forward gears 2

Number of forward gears 3

Number of reverse gears

Number of reverse gears 2

Number of reverse gears 3

Max speed reverse

Max speed reverse -

Max speed reverse 13.84 kph

Undercarriage

Number of track rollers per side

Number of track rollers per side 5

Number of track rollers per side 6

Track gauge

Track gauge 1.31 m

Track gauge 3.23 m

Track length

Track length 1.71 m

Track length 4.54 m

Track pitch

Track pitch 7.11 cm

Track pitch -

Track width

Track width 30.23 cm

Track width 76.2 cm

Ground contact area

Ground contact area -

Ground contact area 174,896.24 cu cm

Ground pressure

Ground pressure -

Ground pressure 1.59 bar

Number of shoes per side

Number of shoes per side -

Number of shoes per side 43

Service refill capacities

Cooling fluid cap

Cooling fluid cap -

Cooling fluid cap 320.21 liter

Fuel cap

Fuel cap -

Fuel cap 2,099.92 liter

Hydraulic fluid cap

Hydraulic fluid cap -

Hydraulic fluid cap 300.15 liter

Refill capacities

Engine oil cap

Engine oil cap -

Engine oil cap 129.07 liter

Final drives fluid cap

Final drives fluid cap -

Final drives fluid cap 70.02 liter

Hydraulic system

Pump flow cap

Pump flow cap -

Pump flow cap 255.11 lpm

Pump type

Pump type -

Pump type Gear driven

Relief valve pressure

Relief valve pressure -

Relief valve pressure 206 bar

Performance

Looking at performance technical specs and key features the Komatsu D21AG-7E Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Komatsu D575A-2 Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D21AG-7E Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Komatsu D575A-2 Crawler dozers.