Cat D7R XR Crawler dozers research
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Cat D7R XR Crawler dozers Technical specifications
General
Engine model
3306T
Operating weight
24,539 kg
Blade capacity
6.88 m3
Operational specifications
Drive type
Powershift
Blade width
3 mm
Engine
Displacement
10500 cu cm
Aspiration
Turbocharged
Gross power
184.19 kw
Alternator supplied amperage
70 Amh
Number of cylinders
6
Net power
171.51 kw
Dimensions
Length with blade
6.07 m
Length without blade
4.75 m
Blade height
1.52 mm
Ground clearance
0.43 m
Width over tracks
2.9 m
Refill capacities
Final drives fluid cap
13.25 liters
Undercarriage
Ground contact area
94520.79 cm3
Number of shoes per side
41
Tracks length
3 m
Ground pressure
0.72 bar
Number of track rollers per side
8
Track gauge
1.98 m
Hydraulic system
Pump flow cap
177.14 lpm
Relief valve pressure
227.94 bar
Pump type
Piston
Service refill capacities
Cooling fluid cap
75.32 liters
Transmission
Number of reverse gears
3
Number of forward gears
3
Cat D7R XR vs Cat D7R XR II
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Cat D7R XR Crawler dozers
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Cat D7R XR II Crawler dozers
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