Caterpillar industrial tractors
Caterpillar D8K
The Caterpillar D8K is a bulldozer produced from 1974 to 1982 by Caterpillar. It features a 300 hp turbocharged aftercooled diesel engine, a choice of 6-speed direct drive or 3-speed power shift transmissions, and a crawler drive. The machine includes a four-post ROPS with optional cab heating and air-conditioning. It has a fuel capacity of 170 gallons and hydraulic system capacity of 18.5 gallons. The D8K's dimensions include a length of 207 inches, width of 120 inches, and operating weight up to 70,500 lbs. Various front-mount blades are available as attachments, including 159", 167", and 184" widths with hydraulic lift and tilt capabilities.
Power-
Founded-
ModelD8K
Technical Specifications
Detailed specifications and technical data for Caterpillar D8K
Power
| Engine (net) | 300 hp (223.7 kW) |
|---|
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Caterpillar D342 |
| Cooling | liquid-cooled inline |
| Starter | electric |
| Cylinders | 6-cylinder |
| Rated RPM | 1330 |
| Bore/Stroke | 5.75x8.00 inches (146 x 203 mm) |
| Power (net) | 300 hp (223.7 kW) |
| Displacement | 1246 ci (20.4 L) |
| Oil capacity | 34.8 qts (32.9 L) |
| Starter volts | 24 |
| Coolant capacity | 128 qts (121.1 L) |
Height
| Cab | 137 inches (347 cm) |
|---|---|
| Hood | 92 inches (233 cm) |
| ROPS | 134 inches (340 cm) |
| Exhaust | 123 inches (312 cm) |
Tracks
| Width | 22 inches (55 cm) |
|---|---|
| Area on ground | 5437 in² (3.5 m²) |
| Length on ground | 124 inches (314 cm) |
Capacity
| Fuel | 170 gal (643.5 L) |
|---|---|
| Hydraulic system | 18.5 gal (70.0 L) |
Dimensions
| Gauge | 84 inches (213 cm) |
|---|---|
| Width | 120 inches (304 cm) |
| Length | 207 inches (525 cm) |
| 8A dozer length | 260 inches (660 cm) |
| 8S dozer length | 259 inches (657 cm) |
| 8U dozer length | 272 inches (690 cm) |
| Shipping weight | 54700 lbs (24811 kg) *Power shift bare D8K without ROPS or cab. |
| Operating weight | 70500 lbs (31978 kg) *Weight with ROPS and 8S bulldozer. |
Electrical
| Charging amps | 35 (50 Optional) |
|---|---|
| Charging system | alternator |
Hydraulics
| Capacity | 18.5 gal (70.0 L) |
|---|---|
| Pressure | 2500 psi (172.4 bar) |
| Pump flow | 78 gpm (295.2 lpm) |
Mechanical
| ROPS | Four-post ROPS. Cab available with heat and air-conditioning. |
|---|---|
| Drive | crawler |
Production
| Type | Bulldozer |
|---|---|
| Years made | 1974 - 1982 |
| Original price | $195,110 in 1983 |
Attachments
| Blade 159" | Cut20 inches (50 cm) Lift55 inches (139 cm) Tilt40 inches (101 cm) ModelCaterpillar 8S Mountfront-mount Width159 inches (403 cm) Height60 inches (152 cm) Weight12080 lbs (5479 kg) Lift typehydraulic-lift |
|---|---|
| Blade 167" | Cut20 inches (50 cm) Lift55 inches (139 cm) Tilt41.7 inches (105 cm) ModelCaterpillar 8U Mountfront-mount Width167 inches (424 cm) Height60 inches (152 cm) Weight13310 lbs (6037 kg) Lift typehydraulic-lift |
| Blade 184" | Cut24.2 inches (61 cm) Lift52 inches (132 cm) Tilt13 inches (33 cm) ModelCaterpillar 8A Mountfront-mount Width184 inches (467 cm) Height44 inches (111 cm) Weight11590 lbs (5257 kg) Angling25° Lift typehydraulic-lift |
Transmission
| Options | 6-speed direct drive, 3-speed power shift |
|---|---|
| Power shift type | power shift |
| Direct drive type | direct drive |
| Power shift gears | 3 forward and reverse |
| Direct drive gears | 6 forward and reverse |
| Power shift oil capacity | 124 qts (117.4 L) |
| Direct drive oil capacity | 140 qts (132.5 L) |
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Caterpillar D8LModelD8L
Caterpillar D8HModelD8H
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