Komatsu D39PX-21 KOMSTAT II vs. Komatsu WF450-3 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

Komatsu WF450 Crawler dozers

Engine

Aspiration

Aspiration Turbocharged, air-to-air aftercooled

Aspiration -

Net power

Net power 70.84 kw

Net power -

Number of cylinders

Number of cylinders 4

Number of cylinders 6

Alternator supplied amperage

Alternator supplied amperage -

Alternator supplied amperage 75 Amh

Gross power

Gross power -

Gross power 194.03 kw

Power measured @

Power measured @ -

Power measured @ 2,200 rpm

Years

Years 2013-2020

Years 1991-1996

Market Average

Market Average AED 200,000

Market Average AED 380,000

Price

Price AED 160,000

Price AED 250,000

Blades

Blade angle

Blade angle 25 º

Blade angle -

Dimensions

Blade height

Blade height 0.76 m

Blade height -

Height - top of cab

Height - top of cab 2.77 m

Height - top of cab 3.75 m

Length with blade

Length with blade 4.21 m

Length with blade 8.84 m

Width over tracks

Width over tracks 2.44 m

Width over tracks 1.07 m

Ground clearance

Ground clearance -

Ground clearance 0.49 m

General

Blade width

Blade width 3.35 m

Blade width 0.85 m

Displacement

Displacement 3,932.9 cu cm

Displacement 11,041.63 cu cm

Drive type

Drive type Dual-path, hydrostatic transmission

Drive type -

Engine model

Engine model SAA4D102E-2

Engine model SA6D125E-2

Max speed forward

Max speed forward 8.53 kph

Max speed forward 9.98 kph

Operating weight

Operating weight 8,899 kg

Operating weight 26,000 kg

Max torque

Max torque -

Max torque 105.01 Nm

Operating voltage

Operating voltage -

Operating voltage 24 V

Service refill capacities

Cooling fluid cap

Cooling fluid cap 32.17 liter

Cooling fluid cap 68.13 liter

Fuel cap

Fuel cap 165.03 liter

Fuel cap -

Hydraulic fluid cap

Hydraulic fluid cap 46.93 liter

Hydraulic fluid cap 160.11 liter

Refill capacities

Engine oil cap

Engine oil cap 12.49 liter

Engine oil cap -

Final drives fluid cap

Final drives fluid cap 3.41 liter

Final drives fluid cap -

Undercarriage

Ground contact area

Ground contact area 76,118.08 cu cm

Ground contact area -

Ground pressure

Ground pressure 0.3 bar

Ground pressure -

Number of shoes per side

Number of shoes per side 39

Number of shoes per side -

Number of track rollers per side

Number of track rollers per side 6

Number of track rollers per side -

Track gauge

Track gauge 1.8 m

Track gauge -

Track length

Track length 2.38 m

Track length -

Track pitch

Track pitch 17.78 cm

Track pitch -

Track width

Track width 63.5 cm

Track width -

Transmission

Max speed reverse

Max speed reverse 8.53 kph

Max speed reverse 10.46 kph

Number of forward gears

Number of forward gears 3

Number of forward gears 4

Number of reverse gears

Number of reverse gears 3

Number of reverse gears 4

Hydraulic system

Pump type

Pump type -

Pump type 2 pump system with main switch pump

Performance

Looking at performance technical specs and key features the Komatsu D39PX-21 KOMSTAT II Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Komatsu WF450-3 Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D39PX-21 KOMSTAT II Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Komatsu WF450-3 Crawler dozers.