Caterpillar D7R II Dozer

Dimensions

Drawbar Height (Center of Clevis) from Ground Face of Shoes 25 in (63 cm)
Ground Clearance 1 ft (0 m)
Height – Top of Cab 11 ft (3 m)
Length – Track on Ground 113 in (288 cm)
Length of Track on Ground 9 ft (3 m)
Length w/ Blade 19 ft (6 m)
Length w/o Blade 16 ft (5 m)
Track Gauge 7 ft (2 m)
Width Over Tracks 8 ft (3 m)

Engine

Bore 5 in (12 cm)
Displacement 629 cu in (10,307 cu cm)
Flywheel Power 240 hp (179 kw)
Gross Power 258 hp (192 kw)
Make Cat
Maximum Flywheel Power 258 hp (192 kw)
Model 3176C
Net Power 240 hp (179 kw)
Net Power – Caterpillar 240 hp (179 kw)
Net Power – EU 80/1269 240 hp (179 kw)
Net Power – ISO 9249 240 hp (179 kw)
Net Power – SAE J1349 238 hp (177 kw)
Number of Cylinders 6
Power Measured @ 2100 rpm
Stroke 6 in (14 cm)

Hydraulic Controls – Pump

Ripper Cylinder Flow 48 gpm (180 lpm)
Tilt Cylinder Flow 21 gpm (80 lpm)

Hydraulic System

Pump Flow Capacity 48 gpm (180 lpm)
Relief Valve Pressure 3307 psi

Operating Specifications

Alternator Supplied Amperage 95 amps
Cooling System Fluid Capacity 20 gal (77 l)
Engine Oil Capacity 8 gal (31 l)
Final Drives Fluid Capacity 3 gal (13 l)
Fuel Capacity 127 gal (479 l)
Operating Voltage 24 volts

Ripper

Beam Cross Section 343 x 279 mm 13.5 x 11 in
Maximum Clearance Raised – Under Tip, Pinned in Bottom Hole 30 in (76 cm)
Maximum Penetration 29 in (75 cm)
Maximum Penetration Force 19,100 lbs (8,664 kg)
Number of Pockets 3
Overall Beam Width 87 in (221 cm)
Pry-Out Force 38,513 lbs (17,469 kg)
Ripper Type Adjustable Parallelogram
Weight – Each Additional Shank 330 lbs (150 kg)
Weight – With One Shank 7,431 lbs (3,371 kg)

Service Refill Capacities

Cooling System 20 gal (77 l)
Engine Crankcase 8 gal (31 l)
Final Drive – Each 3 gal (13 l)
Fuel Tank 127 gal (479 l)
Pivot Shaft Compartment 1 gal (2 l)
Power Train 47 gal (178 l)
Roller Frames – Each 7 gal (25 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 Hydrostatic

Undercarriage

Ground Clearance 1 ft (0 m)
Ground Contact Area 5,016 cu in (82,198 cu cm)
Grouser Height 3 in (8 cm)
Number of Shoes per Side 40
Number of Track Rollers per Side 7
Standard Shoe Size 22 in (56 cm)
Track Gauge 7 ft (2 m)
Track Pitch 9 in (22 cm)

Winch

Drum Capacity – 29 mm (1.13 in) 276 ft (84 m)
Drum Diameter 13 in (32 cm)
Drum Width 13 in (34 cm)
Ferrule Size (O.D. Length) 2.38 in x 2.56 in / 60 mm x 65 mm
Flange Diameter 24 in (61 cm)
Increased Tractor Length – LGP 29 in (74 cm)
Increased Tractor Length – STD 29 in (74 cm)
Oil Capacity 4 gal (15 l)
Weight 4,176 lbs (1,894 kg)
Winch and Bracket Length 58 in (146 cm)
Winch Case – Width 46 in (117 cm)
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