Cat D3K2 XL vs. Cat D7H Crawler dozers Comparison

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

Comparison

Highlight differences

Cat D3 Crawler dozers

Cat D7 Crawler dozers

Engine

Alternator supplied amperage

Alternator supplied amperage 120 Amh

Alternator supplied amperage 35 Amh

Net power

Net power 59.66 kw

Net power 160.33 kw

Aspiration

Aspiration -

Aspiration Turbocharged

Gross power

Gross power -

Gross power 172.26 kw

Number of cylinders

Number of cylinders -

Number of cylinders 6

Power measured @

Power measured @ -

Power measured @ 2,100 rpm

Years

Years 1972-2020

Years 2009-2017

Market Average

Market Average AED 200,000

Market Average AED 1,100,000

Price

Price AED 120,000

Price AED 900,000

Blades

Blade angle

Blade angle 25 º

General

Blade capacity

Blade capacity 1.53 cu m

Blade capacity 4.51 cu m

Blade width

Blade width 2.65 m

Blade width 3.84 m

Displacement

Displacement 4,408.13 cu cm

Displacement 10,500.85 cu cm

Drive type

Drive type Hydrostatic

Drive type Planetary powershift

Engine model

Engine model C4.4 ACERT

Engine model 3306

Max speed forward

Max speed forward 9.01 kph

Max speed forward 11.91 kph

Operating voltage

Operating voltage 12 V

Operating voltage 24 V

Operating weight

Operating weight 7,957 kg

Operating weight 23,647 kg

Dimensions

Blade height

Blade height 0.91 m

Blade height 1.28 m

Ground clearance

Ground clearance 0.34 m

Ground clearance 0.43 m

Height - top of cab

Height - top of cab 2.77 m

Height - top of cab 3.35 m

Length with blade

Length with blade 4.27 m

Length with blade 5.58 m

Length without blade

Length without blade 3.29 m

Length without blade 4.63 m

Width over tracks

Width over tracks 1.92 m

Width over tracks -

Service refill capacities

Cooling fluid cap

Cooling fluid cap 22.71 liter

Cooling fluid cap 52.61 liter

Fuel cap

Fuel cap 194.93 liter

Fuel cap 488.27 liter

Hydraulic fluid cap

Hydraulic fluid cap 59.42 liter

Hydraulic fluid cap 115.06 liter

Refill capacities

Engine oil cap

Engine oil cap 11.36 liter

Engine oil cap -

Final drives fluid cap

Final drives fluid cap 9.84 liter

Undercarriage

Ground contact area

Ground contact area 46,359.11 cu cm

Ground contact area 74,725.18 cu cm

Ground pressure

Ground pressure 0.43 bar

Ground pressure 0.77 bar

Number of shoes per side

Number of shoes per side 41

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 1.52 m

Track gauge 1.98 m

Track length

Track length 2.13 m

Track length 2.93 m

Track width

Track width 40.64 cm

Track width 51.05 cm

Transmission

Max speed reverse

Max speed reverse 9.98 kph

Max speed reverse 14.32 kph

Number of forward gears

Number of forward gears -

Number of forward gears 3

Number of reverse gears

Number of reverse gears -

Number of reverse gears 3

Hydraulic system

Pump flow cap

Pump flow cap 73.43 lpm

Pump flow cap 175.25 lpm

Relief valve pressure

Relief valve pressure 206.01 bar

Relief valve pressure 227.52 bar

Performance

Looking at performance technical specs and key features the Cat D3K2 XL Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Cat D7H Crawler dozers.

User rating

Owners operators and fleet managers recommend the Cat D3K2 XL Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D7H Crawler dozers.