- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D8N ➔
The Caterpillar D8N is a crawler dozer designed for heavy earthmoving, land clearing, and large-scale grading applications. Built by Caterpillar, the D8N is part of the company's D8 series and is recognized for its high drawbar pull, durable undercarriage, and ability to handle demanding site conditions. It is commonly used in mining, construction, forestry, and road building. The machine typically features a large diesel engine, a robust powertrain, and a wide blade configuration for moving substantial material. As a crawler dozer, the D8N operates on tracks for improved traction and stability on soft, uneven, or steep terrain.
Dimensions
| Ground Clearance | 2 ft (1 m)
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| Height - Top of Cab | 11 ft (3 m)
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| Width Over Tracks | 9 ft (3 m)
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Engine
| Aspiration | turbocharged and aftercooled
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| Displacement | 891 cu in (14,601 cu cm)
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| Net Power | 285 hp (213 kw)
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| Number of Cylinders | 6
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| Power Measured @ | 2100 rpm
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Hydraulic System
| Pump Flow Capacity | 64 gpm (240 lpm)
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| Relief Valve Pressure | 3500 psi
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Operating Specifications
| Alternator Supplied Amperage | 50 amps
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| Cooling System Fluid Capacity | 20 gal (74 l)
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| Engine Oil Capacity | 10 gal (37 l)
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| Final Drives Fluid Capacity | 4 gal (14 l)
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| Hydraulic Fluid Capacity | 19 gal (70 l)
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| Operating Voltage | 24 volts
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Standard Blade
Transmission
| 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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Undercarriage
| Ground Contact Area | 5,580 cu in (91,442 cu cm)
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| Ground Pressure | 14.6 psi
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| Number of Shoes per Side | 44
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| 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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