Caterpillar industrial tractors
Caterpillar D8N
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.
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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) |
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