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Caterpillar D8N

Caterpillar D8N tractor
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The Caterpillar D8N is a bulldozer manufactured by Caterpillar from 1987 to 1995. It features a Caterpillar 3406 turbocharged 6-cylinder diesel engine with 306 hp gross power and 285 hp net power. The tractor uses a 3-speed power shift transmission and has a crawler drive with double reduction planetary final drives. It has a fuel capacity of 127.1 gallons and a hydraulic system capacity of 15.1 gallons. The D8N has 22-inch wide tracks and weighs between 58,261 and 79,381 pounds depending on configuration. It offers a four-post ROPS with optional cab heating and air conditioning. Various front-mount blades are available as attachments, including 155", 168", and 195" widths with hydraulic lift and tilt capabilities.
Caterpillar D8Nbulldozertractor specsCaterpillar 3406 enginepower shift transmissioncrawler tractortractor attachments
Power-
Founded-
ModelD8N

Technical Specifications

Detailed specifications and technical data for Caterpillar D8N

Power

Engine (net):285 hp (212.5 kW)
Engine (gross):306 hp (228.2 kW)

Engine

Type:turbocharged diesel
Model:Caterpillar 3406
Cooling:liquid-cooled inline
Starter:electric
Cylinders:6-cylinder
Rated RPM:2100
Bore/Stroke:5.40x6.50 inches (137 x 165 mm)
Fuel system:direct injection
Power (net):285 hp (212.5 kW)
Displacement:893 ci (14.6 L)
Oil capacity:39.2 qts (37.1 L)
Power (gross):306 hp (228.2 kW)
Starter volts:24
Coolant capacity:60.4 qts (57.2 L)

Height

Cab:135 inches (342 cm)
Hood:78 inches (198 cm)
Exhaust:135 inches (342 cm)

Tracks

Width:22 inches (55 cm)
Area on ground:5580 in² (3.6 m²)
Length on ground:126 inches (320 cm)

Capacity

Fuel:127.1 gal (481.1 L)
Hydraulic system:15.1 gal (57.2 L)

Dimensions

Gauge:82 inches (208 cm)
Width:120 inches (304 cm)
Length:194 inches (492 cm)
Weight:58261 to 79381 pounds
Track width:22 inches
8A dozer length:259 inches (657 cm)
8U dozer length:267 inches (678 cm)
Shipping weight:58261 lbs (26427 kg)
8SU dozer length:244 inches (619 cm)
Operating weight:79381 lbs (36007 kg) Weight with 8U bulldozer and ripper.

Electrical

Battery volts:12
Charging amps:50
Charging system:alternator

Hydraulics

Capacity:15.1 gal (57.2 L)
Pressure:3500 psi (241.3 bar)
Pump flow:74 gpm (280.1 lpm)

Mechanical

ROPS:Four-post ROPS. Cab available with heat and air-conditioning.
Drive:crawler
Final drives:double reduction planetary

Production

Type:Bulldozer
Years made:1987 - 1995
Manufacturer:Caterpillar

Attachments

Blade 155":Caterpillar 8SU, front-mount, 155 inches width (393 cm), 66 inches height (167 cm), 48 inches lift (121 cm), 37.4 inches tilt (94 cm), 22.9 inches cut (58 cm), 10201 lbs (4627 kg), hydraulic-lift
Blade 168":Caterpillar 8U, front-mount, 168 inches width (426 cm), 67 inches height (170 cm), 48 inches lift (121 cm), 40.5 inches tilt (102 cm), 22.9 inches cut (58 cm), 10668 lbs (4839 kg), hydraulic-lift
Blade 195":Caterpillar 8A, front-mount, 195 inches width (495 cm), 46 inches height (116 cm), 51 inches lift (129 cm), 28.7 inches tilt (72 cm), Angling 25°, 24.7 inches cut (62 cm), 11658 lbs (5288 kg), hydraulic-lift

Transmission

Type:power shift
Gears:3 forward and reverse
Oil capacity:136.4 qts (129.1 L)