Komatsu D87E-3 vs. Cat D8R II Crawler dozers Comparison

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

Comparison

Highlight differences

Komatsu D87 Crawler dozers

Cat D8 Crawler dozers

General

Engine model

Engine model S6D125E-2

Engine model 3406E TA

Operating weight

Operating weight 23,998 kg

Operating weight 37,630 kg

Blade capacity

Blade capacity 7.11 cu m

Blade capacity 8.72 cu m

Drive type

Drive type Modular countershaft -type power shift

Drive type Hydrostatic

Displacement

Displacement 11,041.63 cu cm

Displacement 14,600.91 cm3

Max torque

Max torque 102.91 Nm

Max torque 1,150 Nm

Max speed forward

Max speed forward 10.46 kph

Max speed forward 10.62 kph

Operating voltage

Operating voltage 24

Operating voltage 24 V

Blade width

Blade width 3.51 m

Blade width 3.96 m

Engine power

Engine power -

Engine power 310 hp

Years

Years 1996-2003

Years 2018-2024

Market Average

Market Average AED 480,000

Market Average AED 1,510,000

Price

Price AED 350,000

Price AED 1,375,000

Engine

Aspiration

Aspiration Turbocharged

Aspiration Turbo

Power measured @

Power measured @ 2,100 rpm

Power measured @ 2,000 rpm

Torque measured @

Torque measured @ 1,400 rpm

Torque measured @ 2,100 rpm

Gross power

Gross power 184.19 kw

Gross power 231.17 kw

Alternator supplied amperage

Alternator supplied amperage 50 Amh

Number of cylinders

Number of cylinders 6

Net power

Net power 171.51 kw

Net power 213 kw

Bore

Bore -

Bore 110 cm

Stroke

Stroke -

Stroke 90 cm

Refill capacities

Final drives fluid cap

Final drives fluid cap 38.23 liters

Final drives fluid cap -

Engine oil cap

Engine oil cap 30.28 liter

Engine oil cap -

Undercarriage

Ground contact area

Ground contact area 88,901.66 cu cm

Ground contact area 90,850.08 cu cm

Number of shoes per side

Number of shoes per side 42

Number of shoes per side -

Track pitch

Track pitch 21.84 cm

Track pitch -

Ground pressure

Ground pressure 0.66 bar

Ground pressure 1.01 bar

Number of track rollers per side

Number of track rollers per side 7

Number of track rollers per side 8

Track width

Track width 56.13 mm

Track gauge

Track gauge 1.98 m

Track gauge 2.1 m

Dimensions

Height - top of cab

Height - top of cab 3.51 m

Height - top of cab 3.54 m

Length with blade

Length with blade 6.13 m

Length with blade 6.58 m

Length without blade

Length without blade 4.51 m

Length without blade 4.94 m

Blade height

Blade height 1.6 cm

Blade height 1.69 cm

Ground clearance

Ground clearance 0.49 m

Ground clearance 0.61 m

Width over tracks

Width over tracks 2.56 m

Width over tracks 2.71 m

Hydraulic system

Pump flow cap

Pump flow cap 145.34 lpm

Pump flow cap -

Relief valve pressure

Relief valve pressure 165.47 bar

Relief valve pressure -

Pump type

Pump type Mulitple pump gear

Pump type -

Service refill capacities

Cooling fluid cap

Cooling fluid cap 59.05 liters

Cooling fluid cap -

Fuel cap

Fuel cap 490.16 liter

Fuel cap 625.28 liter

Hydraulic fluid cap

Hydraulic fluid cap 133.23 liter

Hydraulic fluid cap -

Transmission

Max speed reverse

Max speed reverse 12.23 kph

Max speed reverse 13.84 kph

Number of reverse gears

Number of reverse gears 6

Number of reverse gears 3

Number of forward gears

Number of forward gears 6

Number of forward gears 3

Performance

Looking at performance technical specs and key features the Komatsu D87E-3 Crawler dozers excels in terms of engine power at and operating weight 23998 compared to other models like the Cat D8R II Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D87E-3 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D8R II Crawler dozers.