Komatsu D39PX-23 vs. Cat D7R Crawler dozers Comparison

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

Comparison

Highlight differences

Komatsu D39 Crawler dozers

Cat D7 Crawler dozers

Service refill capacities

Cooling fluid cap

Cooling fluid cap 34.07 liter

Cooling fluid cap 75.32 liter

Fuel cap

Fuel cap 190.01 liter

Fuel cap -

Hydraulic fluid cap

Hydraulic fluid cap 60.18 liter

Hydraulic fluid cap 54.13 liter

Years

Years 2013-2020

Years 2009-2017

Market Average

Market Average AED 200,000

Market Average AED 1,100,000

Price

Price AED 160,000

Price AED 900,000

General

Displacement

Displacement 3,261.03 cu cm

Displacement -

Engine model

Engine model SAA4D95LE-6

Engine model -

Max speed forward

Max speed forward 8.53 kph

Max speed forward -

Operating weight

Operating weight 9,830 kg

Operating weight -

Blade width

Blade width -

Blade width 3.93 m

Drive type

Drive type -

Drive type Powershift

Operating voltage

Operating voltage -

Operating voltage 24 V

Refill capacities

Engine oil cap

Engine oil cap 11.36 liter

Engine oil cap 27.63 liter

Final drives fluid cap

Final drives fluid cap 3.79 liter

Final drives fluid cap 13.25 liter

Engine

Gross power

Gross power 79.79 kw

Gross power -

Net power

Net power 78.3 kw

Net power 171.51 kw

Power measured @

Power measured @ 2,200 rpm

Power measured @ 2,100 rpm

Alternator supplied amperage

Alternator supplied amperage -

Alternator supplied amperage 70 Amh

Aspiration

Aspiration -

Aspiration Turbocharged

Number of cylinders

Number of cylinders -

Number of cylinders 6

Dimensions

Ground clearance

Ground clearance 0.4 m

Ground clearance 0.43 m

Height - top of cab

Height - top of cab 2.87 m

Height - top of cab -

Length without blade

Length without blade 4.39 m

Length without blade -

Width over tracks

Width over tracks 2.99 m

Width over tracks -

Length with blade

Length with blade -

Length with blade 5.82 m

Undercarriage

Ground contact area

Ground contact area 60,763.37 cu cm

Ground contact area -

Ground pressure

Ground pressure 0.32 bar

Ground pressure -

Number of shoes per side

Number of shoes per side 39

Number of shoes per side 40

Number of track rollers per side

Number of track rollers per side 6

Number of track rollers per side 7

Track gauge

Track gauge 1.83 m

Track gauge 1.98 m

Track width

Track width 63.5 cm

Track width 56.13 cm

Track length

Track length -

Track length 2.9 m

Transmission

Max speed reverse

Max speed reverse 8.53 kph

Max speed reverse -

Number of forward gears

Number of forward gears 3

Number of reverse gears

Number of reverse gears 3

Hydraulic system

Pump flow cap

Pump flow cap -

Pump flow cap 177.14 lpm

Pump type

Pump type -

Pump type Piston

Relief valve pressure

Relief valve pressure -

Relief valve pressure 227.94 bar

Performance

Looking at performance technical specs and key features the Komatsu D39PX-23 Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Cat D7R Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D39PX-23 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D7R Crawler dozers.