Caterpillar industrial tractors

Caterpillar D8H 46A

The Caterpillar D8H 46A is a bulldozer manufactured by Caterpillar from 1966 to 1974. It features a powerful 270 hp turbocharged aftercooled diesel engine, a choice of 6-speed direct drive or 3-speed power shift transmissions, and a crawler drive with spur gear final drives. The tractor has an open operator station and is equipped with 22-inch tracks. It supports various front-mount blades including the 157", 182", and 165" models with hydraulic lift and angling capabilities.

Power-

Founded-

ModelD8H 46A

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Technical Specifications

Detailed specifications and technical data for Caterpillar D8H 46A

Power

Engine (net)	270 hp (201.3 kW)

Engine

Type	turbocharged aftercooled diesel
Model	Caterpillar D342
Cooling	liquid-cooled inline
Starter	pony motor, electric Optional
Cylinders	6-cylinder
Fuel tank	134 gal (507.2 L)
Bore/Stroke	5.75x8.00 inches (146 x 203 mm)
Power (net)	270 hp (201.3 kW)
Displacement	1246 ci (20.4 L)
Oil capacity	35 qts (33.1 L)
Starter volts	24
Coolant capacity	124 qts (117.4 L)

Tracks

6-roller width	22 inches (55 cm)
7-roller width	22 inches (55 cm)
6-roller area on ground	5049 in² (3.3 m²)
7-roller area on ground	5445 in² (3.5 m²)
6-roller length on ground	115 inches (292 cm)
7-roller length on ground	124 inches (314 cm)

Dimensions

Gauge	84 inches (213 cm)
Length	204 inches (518 cm)
Height (hood)	93 inches (236 cm)
8A dozer length	260 inches (660 cm)
8S dozer length	261 inches (662 cm)
8U dozer length	271 inches (688 cm)
Shipping weight	49000 lbs (direct drive) (22226 kg), 50000 lbs (power shift) (22680 kg)
Height (exhaust)	122 inches (309 cm)

Mechanical

Drive	crawler
Final drives	spur gear
Operator station	Open operator station.

Production

Type	Bulldozer
Years made	1966 - 1974
Manufacturer	Caterpillar

Attachments

157" Blade	Caterpillar 8S, front-mount, 157 inches width (398 cm), 52.4 inches height (133 cm), 55.3 inches lift (140 cm), 34 inches tilt (86 cm), Angling 25°, 18.4 inches cut (46 cm), 10460 lbs (4744 kg), hydraulic-lift
165" Blade	Caterpillar 8U, front-mount, 165 inches width (419 cm), 52.4 inches height (133 cm), 55.3 inches lift (140 cm), 35.8 inches tilt (90 cm), 18.4 inches cut (46 cm), 11630 lbs (5275 kg), hydraulic-lift
182" Blade	Caterpillar 8A, front-mount, 182 inches width (462 cm), 43.6 inches height (110 cm), 54 inches lift (137 cm), 15.6 inches tilt (39 cm), 21.75 inches cut (55 cm), 11355 lbs (5150 kg), hydraulic-lift

Transmission

Power shift Type	power shift
Direct drive Type	direct drive
Power shift Gears	3 forward and reverse
Direct drive Gears	6 forward and reverse
Transmission options	6-speed direct drive, 3-speed power shift
Power shift Oil capacity	124 qts (117.4 L)
Direct drive Oil capacity	124 qts (117.4 L)