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Current number of specifications

 
Caterpillar D7R XR Crawler Tractor

Selected Dimensions

Dimensions
A. Length w/ Blade19.8 ft in6037 mm
B. Width Over Tracks9.4 ft in2869 mm
C. Height to Top of Cab11.7 ft in3573 mm
D. Length of Track on Ground10 ft in3050 mm
E. Ground Clearance1.4 ft in414 mm
F. Length w/o Blade15.5 ft in4736 mm
Undercarriage
G. Track Gauge6.5 ft in1981 mm
H. Standard Shoe Size24 in610 mm

Specification

Engine
MakeCaterpillar
Model3306T
Gross Power247 hp184.2 kw
Net Power230 hp171.5 kw
Power Measured @2100 rpm
Displacement638 cu in10.5 L
AspirationTurbocharged
Number of Cylinders6
Operational
Operating Weight54100 lb24539.3 kg
Fuel Capacity126.5 gal479 L
Cooling System Fluid Capacity19.8 gal75 L
Engine Oil Capacity7.2 gal27.3 L
Hydraulic Fluid Capacity14.3 gal54.1 L
Powertrain Fluid Capacity47 gal178 L
Final Drives Fluid Capacity3.4 gal13 L
Operating Voltage24 V
Alternator Supplied Amperage70 amps
Transmission
TypePower Shift
Number of Forward Gears3
Number of Reverse Gears3
Max Speed - Forward6.8 mph10.9 km/h
Max Speed - Reverse8.6 mph13.8 km/h
Undercarriage
Ground Pressure9 psi62.1 kPa
Ground Contact Area5768 in23.7 m2
Standard Shoe Size24 in610 mm
Number of Shoes per Side41
Number of Track Rollers per Side8
Track Gauge6.5 ft in1981 mm
Hydraulic System
Pump typePiston
Relief Valve Pressure3306 psi22794 kPa
Pump Flow Capacity46.8 gal/min177 L/min
Standard Blade
Width12.1 ft in3693 mm
Height60 in1524 mm
Capacity9 yd36.9 m3
Cutting Depth20.7 in527 mm
Dimensions
Length w/o Blade15.5 ft in4736 mm
Length w/ Blade19.8 ft in6037 mm
Width Over Tracks9.4 ft in2869 mm
Height to Top of Cab11.7 ft in3573 mm
Length of Track on Ground10 ft in3050 mm
Ground Clearance1.4 ft in414 mm