Komatsu D31PX-22 vs. Cat D8T IV 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

Cat D8 Crawler dozers

Engine

Alternator supplied amperage

Alternator supplied amperage 35 Amh

Alternator supplied amperage 240 Amh

Aspiration

Aspiration Turbocharged, air-to-air aftercooled

Aspiration Turbo

Bore

Bore 9.65 cm

Bore 110 cm

Gross power

Gross power 59.66 kw

Gross power 288.4 kw

Net power

Net power 58.17 kw

Net power 232.66 kw

Number of cylinders

Number of cylinders 4

Number of cylinders 6

Power measured @

Power measured @ 2,200 rpm

Power measured @ 2,000 rpm

Stroke

Stroke 11.68 cm

Stroke 90 cm

Torque measured @

Torque measured @ -

Torque measured @ 2,100 rpm

Years

Years 1993-1996

Years 2018-2024

Market Average

Market Average AED 210,000

Market Average AED 1,510,000

Price

Price AED 120,000

Price AED 1,375,000

Blades

Blade angle

Blade angle 25 º

Blade angle 35 degrees

General

Blade capacity

Blade capacity 1.68 cu m

Blade capacity 9.1 cu m

Blade width

Blade width 2.56 m

Blade width 2.3 m

Displacement

Displacement 3,261.03 cu cm

Displacement 15,090 cm3

Drive type

Drive type Dual-path, hydrostatic transmission

Drive type Hydrostatic

Engine model

Engine model SAA4D95LE-5

Engine model C15 ACERT

Max speed forward

Max speed forward 8.53 kph

Max speed forward 14.1 kph

Operating voltage

Operating voltage 24 V

Operating weight

Operating weight 8,190 kg

Operating weight 39,417 kg

Engine power

Engine power -

Engine power 340 hp

Max torque

Max torque -

Max torque 3,189 Nm

Dimensions

Blade height

Blade height 0.84 m

Blade height 2.1 cm

Ground clearance

Ground clearance 0.34 m

Ground clearance 0.3 m

Height - top of cab

Height - top of cab 2.77 m

Height - top of cab 2.4 m

Length with blade

Length with blade 4.18 m

Length with blade 5.1 m

Width over tracks

Width over tracks 1.92 m

Width over tracks 2.6 m

Length without blade

Length without blade -

Length without blade 4.6 m

Service refill capacities

Cooling fluid cap

Cooling fluid cap 18.17 liter

Cooling fluid cap 40 liters

Fuel cap

Fuel cap 195.31 liter

Fuel cap 490 liter

Hydraulic fluid cap

Hydraulic fluid cap 60.18 liter

Hydraulic fluid cap 600 liter

Refill capacities

Engine oil cap

Engine oil cap 11.36 liter

Engine oil cap 15 liter

Final drives fluid cap

Final drives fluid cap 3.79 liter

Final drives fluid cap 190 liters

Undercarriage

Ground contact area

Ground contact area 44,458.2 cu cm

Ground contact area 15,900 cu cm

Ground pressure

Ground pressure 0.46 bar

Ground pressure 2,590 bar

Track gauge

Track gauge 1.52 m

Track gauge 1.1 m

Track length

Track length 2.19 m

Track length 2.1 m

Track width

Track width 40.13 cm

Track width 59 mm

Number of shoes per side

Number of shoes per side -

Number of shoes per side 30

Track pitch

Track pitch -

Track pitch 120 cm

Tracks length

Tracks length -

Tracks length 2 mm

Number of track rollers per side

Number of track rollers per side -

Number of track rollers per side 6

Transmission

Max speed reverse

Max speed reverse 8.53 kph

Max speed reverse 11.3 kph

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 99.17 lpm

Pump flow cap 1,400 lpm

Pump type

Pump type Piston

Relief valve pressure

Relief valve pressure 274.61 bar

Relief valve pressure 3,150 bar

Performance

Looking at performance technical specs and key features the Komatsu D31PX-22 Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Cat D8T IV Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D31PX-22 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D8T IV Crawler dozers.