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Current number of specifications

 
Caterpillar D7R Crawler Tractor

Selected Dimensions

Dimensions
A. Length w/ Blade19.1 ft in5817 mm
B. Width Over Tracks9.4 ft in2869 mm
C. Height to Top of Cab11.7 ft in3573 mm
D. Length of Track on Ground9.4 ft in2878 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 Size22 in560 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 Weight54200 lb24584.7 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 Capacity48.1 gal182 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 Pressure10.8 psi74.5 kPa
Ground Contact Area4996 in23.2 m2
Standard Shoe Size22 in560 mm
Number of Shoes per Side40
Number of Track Rollers per Side7
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
Width12.8 ft in3904 mm
Height53.7 in1363 mm
Capacity6.7 yd35.2 m3
Cutting Depth20.7 in527 mm
Dimensions
Length w/o Blade15.5 ft in4736 mm
Length w/ Blade19.1 ft in5817 mm
Width Over Tracks9.4 ft in2869 mm
Height to Top of Cab11.7 ft in3573 mm
Length of Track on Ground9.4 ft in2878 mm
Ground Clearance1.4 ft in414 mm