Komatsu D21A-8E0 vs. Cat D6H LGP 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

Cat D6 Crawler dozers

Service refill capacities

Cooling fluid cap

Cooling fluid cap 10.22 liter

Cooling fluid cap 38.23 liter

Fuel cap

Fuel cap 60.18 liter

Fuel cap 322.1 liter

Hydraulic fluid cap

Hydraulic fluid cap 21.2 liter

Hydraulic fluid cap -

Years

Years 1972-1979

Years 2005-2018

Market Average

Market Average AED 120,000

Market Average AED 435,000

Price

Price AED 70,000

Price AED 410,000

General

Displacement

Displacement 3,048 cu cm

Displacement 10,500.85 cu cm

Engine model

Engine model 4D94LE-2

Engine model 3306

Max speed forward

Max speed forward 4.35 kph

Max speed forward 11.43 kph

Max torque

Max torque 174.08 Nm

Max torque -

Operating weight

Operating weight 3,710 kg

Operating weight 19,665 kg

Blade capacity

Blade capacity -

Blade capacity 3.75 cu m

Blade width

Blade width -

Blade width 3.99 m

Drive type

Drive type -

Drive type Planetary powershift

Operating voltage

Operating voltage -

Operating voltage 24 V

Refill capacities

Engine oil cap

Engine oil cap 6.81 liter

Engine oil cap 27.63 liter

Final drives fluid cap

Final drives fluid cap 6.06 liter

Final drives fluid cap 13.25 liter

Engine

Gross power

Gross power 32.29 kw

Gross power 133.48 kw

Number of cylinders

Number of cylinders 4

Number of cylinders 6

Power measured @

Power measured @ 2,450 rpm

Power measured @ 1,800 rpm

Torque measured @

Torque measured @ 1,300 rpm

Torque measured @ -

Alternator supplied amperage

Alternator supplied amperage -

Alternator supplied amperage 35 Amh

Aspiration

Aspiration -

Aspiration Turbocharged

Net power

Net power -

Net power 123.04 kw

Dimensions

Ground clearance

Ground clearance 0.37 m

Ground clearance 0.4 m

Height - top of cab

Height - top of cab 1.8 m

Height - top of cab 3.14 m

Length with blade

Length with blade 3.26 m

Length with blade 5.18 m

Blade height

Blade height -

Blade height 1.1 m

Length without blade

Length without blade -

Length without blade 4.51 m

Width over tracks

Width over tracks -

Width over tracks 3.17 m

Undercarriage

Ground contact area

Ground contact area 25,727.75 cu cm

Ground contact area 151,613.45 cu cm

Ground pressure

Ground pressure 0.31 bar

Ground pressure 0.32 bar

Number of shoes per side

Number of shoes per side 37

Number of shoes per side 45

Number of track rollers per side

Number of track rollers per side 5

Number of track rollers per side 8

Track width

Track width 30.23 cm

Track width 91.69 cm

Track gauge

Track gauge -

Track gauge 2.23 m

Track length

Track length -

Track length 3.29 m

Transmission

Max speed reverse

Max speed reverse 5.63 kph

Max speed reverse 14.48 kph

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

Hydraulic system

Pump flow cap

Pump flow cap -

Pump flow cap 73.05 lpm

Pump type

Pump type -

Pump type Gear driven

Relief valve pressure

Relief valve pressure -

Relief valve pressure 198.22 bar

Performance

Looking at performance technical specs and key features the Komatsu D21A-8E0 Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Cat D6H LGP Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D21A-8E0 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D6H LGP Crawler dozers.