Caterpillar D7R XR Dozer

Dimensions

Ground Clearance 1 ft (0 m)
Height – Top of Cab 12 ft (4 m)
Length of Track on Ground 10 ft (3 m)
Length w/ Blade 20 ft (6 m)
Length w/o Blade 16 ft (5 m)
Width Over Tracks 10 ft (3 m)

Engine

Aspiration Turbocharged
Displacement 641 cu in (10,501 cu cm)
Engine Model 3306 T
Flywheel Power 230 hp (172 kw)
Gross Power 247 hp (184 kw)
Maximum Flywheel Power 247 hp (184 kw)
Net Power 230 hp (172 kw)
Number of Cylinders 6
Power Measured @ 2100 rpm

Hydraulic System

Pump Flow Capacity 47 gpm (177 lpm)
Pump type Piston
Relief Valve Pressure 3306 psi

Operating Specifications

Alternator Supplied Amperage 70 amps
Cooling System Fluid Capacity 20 gal (75 l)
Engine Oil Capacity 7 gal (28 l)
Final Drives Fluid Capacity 4 gal (13 l)
Fuel Capacity 127 gal (479 l)
Hydraulic Fluid Capacity 14 gal (54 l)
Operating Voltage 24 volts
Operating Weight 54,100 lbs (24,539 kg)

Ripper

Maximum Clearance Raised – Under Tip, Pinned in Bottom Hole 25 in (64 cm)
Maximum Penetration 30 in (75 cm)
Number of Pockets 3
Overall Beam Width 87 in (221 cm)
Ripper Type Parallelogram

Service Refill Capacities

Cooling System 20 gal (75 l)
Engine Crankcase 7 gal (27 l)
Final Drive – Each 4 gal (13 l)
Fuel Tank 127 gal (479 l)
Hydraulic Tank 14 gal (54 l)
Power Train 48 gal (182 l)

Standard Blade

Capacity 9 cu yd (7 cu m)
Height 60 in (152 cm)
Width 12 ft (4 m)

Transmission

1 Forward 2 mph (4 kph)
1 Reverse 3 mph (5 kph)
2 Forward 4 mph (6 kph)
2 Reverse 5 mph (8 kph)
3 Forward 7 mph (11 kph)
3 Reverse 9 mph (14 kph)
Max Speed – Forward 7 mph (11 kph)
Max Speed – Reverse 9 mph (14 kph)
Number of Forward Gears 3
Number of Reverse Gears 3
Transmission Type Power Shift

Undercarriage

Ground Clearance 0 ft (0 m)
Ground Contact Area 5,768 cu in (94,521 cu cm)
Ground Pressure 10.5 psi
Number of Shoes per Side 41
Number of Track Rollers per Side 8
Standard Shoe Size 24 in (61 cm)
Track Gauge 7 ft (2 m)

Winch

Drum Diameter 12 in (31 cm)
Drum Width 12 in (31 cm)
Flange Diameter 22 in (55 cm)
Increased Tractor Length – STD 3 in (8 cm)
Oil Capacity 21 gal (81 l)
Weight 4,121 lbs (1,869 kg)
Winch and Bracket Length 49 in (123 cm)
Winch Case – Width 48 in (122 cm)
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