- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D8R ➔
The Caterpillar D8R is a crawler dozer designed for heavy earthmoving, land clearing, and site preparation. Built on Caterpillar's tracked undercarriage platform, the D8R is known for high drawbar pull, stable traction, and durability in demanding conditions. It is commonly used in mining, road construction, forestry, and large-scale grading applications. The machine typically features a diesel engine, hydraulic blade control, and a reinforced frame for pushing and ripping material. As a Caterpillar crawler dozer, the D8R is recognized for serviceability, operator visibility, and compatibility with a range of blades, rippers, and undercarriage configurations.
Dimensions
| Length of Track on Ground | 11 ft (3 m)
|
| Length w/ Blade | 21 ft (6 m)
|
Engine
| Aspiration | Turbocharged and Aftercooled
|
| Net Power | 305 hp (227 kw)
|
| Number of Cylinders | 6
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| Power Measured @ | 2100 rpm
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Hydraulic System
| Pump Flow Capacity | 79 gpm (300 lpm)
|
| Pump type | Piston
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| Relief Valve Pressure | 3500 psi
|
Operating Specifications
| Alternator Supplied Amperage | 50 amps
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| Cooling System Fluid Capacity | 24 gal (92 l)
|
| Engine Oil Capacity | 9 gal (33 l)
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| Final Drives Fluid Capacity | 4 gal (14 l)
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| Fuel Capacity | 165 gal (625 l)
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| Hydraulic Fluid Capacity | 19 gal (72 l)
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| Operating Voltage | 24 volts
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Standard Blade
Transmission
| Max Speed - Reverse | 9 mph (14 kph)
|
| Number of Forward Gears | 3
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| Number of Reverse Gears | 3
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| Transmission Type | Power Shift
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Undercarriage
| Number of Shoes per Side | 44
|
| Number of Track Rollers per Side | 8
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| Standard Shoe Size | 22 in (56 cm)
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| Track Gauge | 7 ft (2 m)
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| Track Pitch | 9 in (22 cm)
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