- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D7R II ➔
The Caterpillar D7R II Crawler Dozer is a powerful and versatile machine designed for heavy-duty earthmoving and construction tasks. With a robust engine producing up to 258 horsepower, this dozer is equipped to handle challenging terrain with ease. Its hydraulic system features a high flow capacity and precise controls for efficient operation. The Ripper attachment adds even more versatility, with adjustable settings for maximum penetration and force. From its spacious cab to its durable undercarriage and standard blade, the Caterpillar D7R II is a reliable workhorse for any job site.
General Specifications
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)
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| 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)
|
| 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)
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| Number of Cylinders | 6
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| 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)
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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)
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| 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)
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| Final Drive - Each | 3 gal (13 l)
|
| Fuel Tank | 127 gal (479 l)
|
| Pivot Shaft Compartment | 1 gal (2 l)
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| Power Train | 47 gal (178 l)
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| Roller Frames - Each | 7 gal (25 l)
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Standard Blade
| Capacity | 9 cu yd (7 cu m)
|
| Height | 60 in (152 cm)
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| Width | 12 ft (4 m)
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Transmission
| 1 Forward | 2 mph (4 kph)
|
| 1 Reverse | 3 mph (5 kph)
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| 2 Forward | 4 mph (6 kph)
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| 2 Reverse | 5 mph (8 kph)
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| 3 Forward | 7 mph (11 kph)
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| 3 Reverse | 9 mph (14 kph)
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| Max Speed - Forward | 7 mph (11 kph)
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| Max Speed - Reverse | 9 mph (14 kph)
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| Number of Forward Gears | 3
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| Number of Reverse Gears | 3
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| 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)
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| Number of Shoes per Side | 40
|
| Number of Track Rollers per Side | 7
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| 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)
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| Drum Width | 13 in (34 cm)
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| Ferrule Size (O.D. Length) | 2.38 in x 2.56 in / 60 mm x 65 mm
|
| Flange Diameter | 24 in (61 cm)
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| Increased Tractor Length - LGP | 29 in (74 cm)
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| Increased Tractor Length - STD | 29 in (74 cm)
|
| Oil Capacity | 4 gal (15 l)
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| Weight | 4,176 lbs (1,894 kg)
|
| Winch and Bracket Length | 58 in (146 cm)
|
| Winch Case - Width | 46 in (117 cm)
|
