Komatsu D455A-1 vs. Cat D8R LGP Crawler dozers Comparison

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

Comparison

Highlight differences

Komatsu D455 Crawler dozers

Cat D8 Crawler dozers

Engine

Aspiration

Aspiration Turbocharged

Aspiration Turbocharged, aftercooled

Gross power

Gross power 462.34 kw

Gross power 244.59 kw

Number of cylinders

Number of cylinders 12

Number of cylinders 6

Power measured @

Power measured @ 2,000 rpm

Power measured @ 2,100 rpm

Torque measured @

Torque measured @ -

Torque measured @ 2,200 rpm

Alternator supplied amperage

Alternator supplied amperage -

Alternator supplied amperage 50 Amh

Net power

Net power -

Net power 227.44 kw

Bore

Bore -

Bore 110 cm

Stroke

Stroke -

Stroke 90 cm

Years

Years 1998-2009

Years 2018-2024

Market Average

Market Average AED 750,000

Market Average AED 1,510,000

Price

Price AED 600,000

Price AED 1,375,000

General

Blade capacity

Blade capacity 26.15 cu m

Blade capacity 8.56 cu m

Blade width

Blade width 4.82 m

Blade width 4.42 m

Displacement

Displacement 28,020.3 cu cm

Displacement 14,633.68 cm3

Drive type

Drive type TORQFLOW

Drive type Powershift

Engine model

Engine model VTA1710-C800

Engine model 3406C

Max speed forward

Max speed forward 14.64 kph

Max speed forward 10.78 kph

Operating weight

Operating weight 71,500 kg

Operating weight 33,729 kg

Engine power

Engine power -

Engine power 328 hp

Operating voltage

Operating voltage -

Operating voltage 24 V

Max torque

Max torque -

Max torque 1,350 Nm

Dimensions

Blade height

Blade height 2.14 m

Blade height 1.61 cm

Ground clearance

Ground clearance 0.55 m

Height - top of cab

Height - top of cab 4.45 m

Height - top of cab 3.51 m

Length with blade

Length with blade 11.16 m

Length with blade 6.31 m

Length without blade

Length without blade 6.22 m

Length without blade 4.57 m

Width over tracks

Width over tracks 3.51 m

Width over tracks 3.32 m

Service refill capacities

Cooling fluid cap

Cooling fluid cap 200.23 liter

Cooling fluid cap 92.35 liters

Fuel cap

Fuel cap 1,280.09 liter

Fuel cap 625.28 liter

Hydraulic fluid cap

Hydraulic fluid cap -

Hydraulic fluid cap 72.29 liter

Undercarriage

Ground pressure

Ground pressure 0.97 bar

Ground pressure 0.52 bar

Number of shoes per side

Number of shoes per side 37

Number of shoes per side 44

Number of track rollers per side

Number of track rollers per side 7

Number of track rollers per side 8

Track gauge

Track gauge 2.65 m

Track gauge 2.35 m

Track length

Track length 3.93 m

Track length -

Track pitch

Track pitch 31.75 cm

Track pitch 21.84 cm

Track width

Track width 76.2 cm

Track width 96.52 mm

Ground contact area

Ground contact area -

Ground contact area 159,708.68 cu cm

Transmission

Max speed reverse

Max speed reverse 14.48 kph

Max speed reverse 13.84 kph

Number of forward gears

Number of forward gears 4

Number of forward gears 3

Number of reverse gears

Number of reverse gears 4

Number of reverse gears 3

Refill capacities

Final drives fluid cap

Final drives fluid cap -

Final drives fluid cap 14 liters

Engine oil cap

Engine oil cap -

Engine oil cap 32.55 liter

Hydraulic system

Pump flow cap

Pump flow cap -

Pump flow cap 300.15 lpm

Relief valve pressure

Relief valve pressure -

Relief valve pressure 241.31 bar

Pump type

Pump type -

Pump type Piston

Performance

Looking at performance technical specs and key features the Komatsu D455A-1 Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Cat D8R LGP Crawler dozers.

User rating

Owners operators and fleet managers recommend the Komatsu D455A-1 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D8R LGP Crawler dozers.