- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D8N ➔
The Caterpillar D8N is a crawler dozer designed for heavy earthmoving, land clearing, and site preparation. Built with Caterpillar's D8 platform, the D8N is known for its large blade capacity, durable undercarriage, and high tractive effort in demanding ground conditions. It is commonly used in mining, road construction, forestry, and large-scale grading applications. The machine typically features a diesel powertrain, hydraulic blade control, and a reinforced frame for long service life. As a crawler dozer, the D8N is suited to pushing material, ripping compacted ground, and working on uneven terrain where tracked mobility is required.
Dimensions
| Ground Clearance | 1.80 ft (0.55 m)
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| Height - Top of Cab | 11.30 ft (3.44 m)
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| Width Over Tracks | 8.70 ft (2.65 m)
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Engine
| Aspiration | turbocharged and aftercooled
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| Displacement | 891.00 cu in (14,600.91 cu cm)
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| Net Power | 285.00 hp (212.53 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 | 63.50 gpm (240.35 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 | 19.60 gal (74.19 l)
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| Engine Oil Capacity | 9.80 gal (37.09 l)
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| Final Drives Fluid Capacity | 3.70 gal (14.00 l)
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| Hydraulic Fluid Capacity | 18.50 gal (70.02 l)
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| Operating Voltage | 24 volts
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Standard Blade
Transmission
| Max Speed - Forward | 6.80 mph (10.94 kph)
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| Max Speed - Reverse | 8.70 mph (14.00 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 | 5,580.10 cu in (91,441.66 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 | 22.10 in (56.13 cm)
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| Track Gauge | 6.90 ft (2.10 m)
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| Track Pitch | 8.50 in (21.59 cm)
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