CAT D7R Series 2 Dozer

Blades

A-Blade Capacity 5.08 yd3 (3.89 m3)
A-Blade Width 14.77 ft in (4.51 m)
Lgp S-Blade Capacity 7.7 yd3 (5.89 m3)
Lgp S-Blade Width 14.91 ft in (4.55 m)
S-Blade Capacity 6.75 yd3 (5.17 m3)
S-Blade Width 12.81 ft in (3.91 m)
Su – Blade Capacity 8.98 yd3 (6.87 m3)
Su – Blade Width 12.12 ft in (3.7 m)
U-Blade Capacity 10.91 yd3 (8.35 m3)
U-Blade Width 13.08 ft in (3.99 m)

Dimensions

Ground Clearance 1.37 ft in (416.56 mm)
Track Gauge 6.5 ft in (1980.95 mm)
Overall Length – Basic Tractor – With Drawbar 15.54 ft in (4.74 m)
Height – Rops/Canopy 11.06 ft in (3.38 m)
Drawbar Height (Center Of Clevis) From Ground Face Of Shoes 24.96 in (633.99 mm)
Width – Without Blade 9.5 in (241.3 mm)
Height 11 ft in (3352.8 mm)
Width – With Blade 114 in (2895.6 mm)
Length – Track On Ground 113.31 in (2878.08 mm)

Undercarriage

Track Gauge 6.5 ft in (1981.2 mm)
Ground Clearance 1.36 ft in (414.02 mm)
Track On Ground – Lgp 124.68 in (3166.88 mm)
Track Rollers/Side 7
Carrier Rollers/Side 1
Ground Contact Area 4991 in
Ground Contact Area – Lgp 8974.52 in2 (5.8 m2)
Ground Pressure 11 psi (75.85 kPa)
Grouser Height 3 in (76.2 mm)
Ground Pressure – Lgp 6.6 psi
Track Rollers/Side – Lgp 7
Pitch 8.5 in (215.9 mm)
Width – Shoe 22 in (558.8 mm)
Shoe Type Extreme Service
Shoes/Side 40
Shoes/Side – Lgp 43
Width – Shoe – Lgp 36 in (914.4 mm)
Width – Shoe – Optional 24 in (609.6 mm)
Track Gauge – Lgp 87.99 in (2234.95 mm)
Track On Ground 9.4 in (238.76 mm)

Ripper

Beam Cross Section 343 x 279 mm 13.5 x 11 in
Number Of Pockets 3
Ripper Type Adjustable Parallelogram
Overall Beam Width 87 in (2209.8 mm)
Weight – Each Additional Shank 330 lb (149.7 kg)
Maximum Penetration 29.4 in (746.8 mm)
Maximum Clearance Raised – Under Tip, Pinned In Bottom Hole 29.8 in (757 mm)
Pry-Out Force 38513 lb (17469.3 kg)
Weight – With One Shank 7431 lb (3370.7 kg)
Maximum Penetration Force 19100 lb (8663.7 kg)

Engine Details

Gross Power 258 hp (192.4 kw)
Displacement 629 cu in (10.4 L)
Bore 4.9 in (124.5 mm)
Stroke 5.5 in (139.7 mm)
Net Power – Iso 9249 240 hp (179 kw)
Net Power – Sae J1349 238 hp (177.5 kw)
Engine Model Cat 3176C
Flywheel Power 240 hp (179 kw)
Gross Power – Iso 14396 253 hp (188.7 kw)
Net Power – Din 70020 248 PS
Net Power – Caterpillar 240 hp (179 kw)
Maximum Flywheel Power 258 hp (192.4 kw)
Net Power – Eu 80/1269 240 hp (179 kw)

Operational Specs

Operating Weight 55786 lb (25304.2 kg)

Transmission

1.0 Forward 2.2 mph (3.6 km/h)
2.0 Forward 3.8 mph (6.1 km/h)
3.0 Forward 6.6 mph (10.6 km/h)
1.0 Reverse 2.9 mph (4.6 km/h)
2.0 Reverse 4.9 mph (7.9 km/h)
3.0 Reverse 8.5 mph (13.6 km/h)

Weights

Shipping Weight 45479 lb (20629 kg)
Operating Weight – Lgp 60503 lb (27443.8 kg)
Shipping Weight – Lgp 50094 lb (22722.3 kg)
Operating Weight – Xr 57056 lb (25880.2 kg)
Shipping Weight – Xr 46752 lb (21206.4 kg)

Service Refill Capacities

Cooling System 20.4 gal (77.3 L)
Fuel Tank Capacity 126.5 gal (478.9 L)
Final Drive – Each 3.4 gal (12.9 L)
Engine Crankcase 8.2 gal (31.1 L)
Power Train 47 gal (178 L)
Pivot Shaft Compartment 0.5 gal (1.9 L)
Roller Frames – Each 6.5 gal (24.7 L)
Attachment Hydraulic System Tank Only 14.3 gal (54.2 L)

Hydraulic Controls – Main Relief Valve

Pressure Setting – Differential Steering Models 6092 psi

Hydraulic Controls – Maximum Operating Pressure

Bulldozer 3307 psi
Tilt Cylinder 2498 psi
Ripper – Pitch 3300 psi
Ripper – Lift 3300 psi
Steering 5511 psi

Hydraulic Controls – Pump

Lift Cylinder Flow 47.6 gal/min
Ripper Cylinder Flow 47.6 gal/min
Tilt Cylinder Flow 21.1 gal/min
Pump Capacity 1015 psi
Rpm At Rated Engine Speed 2231 rpm
Pump Output – Differential Steering 77.9 gal/min

Winch

Flange Diameter 24 in (609.6 mm)
Oil Capacity 4 gal (15.2 L)
Winch Model PA110VS Variable Speed
Winch And Bracket Length 57.5 in (1460.5 mm)
Drum Diameter 12.5 in (317.5 mm)
Drum Width 13.3 in (337.9 mm)
Winch Case – Width 46.1 in (1171 mm)
Weight* 4176 lb (1894.3 kg)
Increased Tractor Length – Std 29.2 in (741.7 mm)
Increased Tractor Length – Lgp 29.2 in (741.7 mm)
Drum Capacity – 29 Mm (1.13 In) 276 ft in (84.2 m)
Ferrule Size (O.D. Length) 2.38 in x 2.56 in / 60 mm x 65 mm
Increased Tractor Length – Xr 23.1 in (586.8 mm)
Drum Capacity – 24 Mm (1 In) 418 ft in (127.5 m)
Drum Capacity – 32 Mm (1.25 In) 193 ft in (58.9 m)
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