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Caterpillar D6D

Caterpillar D6D tractor
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The Caterpillar D6D is a bulldozer produced from 1977 to 1986 by Caterpillar. It features a 140 hp turbocharged 6-cylinder diesel engine, with options for 5-speed direct drive or 3-speed power shift transmissions. The tractor has a crawler drive with four-post ROPS and an optional air-conditioned cab. It has a fuel capacity of 78 gallons and a hydraulic system capacity of 13 gallons. The D6D weighs between 26,060 and 31,500 pounds depending on configuration and has 18-inch wide tracks. Attachments include front-mount blades of 126 and 153 inches width with hydraulic lift and manual angle options.
Caterpillar D6Dbulldozertractor specificationsCaterpillar 3306 engine140 hp5-speed direct drive3-speed power shiftcrawler tractor
Power-
Founded-
ModelD6D

Technical Specifications

Detailed specifications and technical data for Caterpillar D6D

Power

Engine (net):140 hp (104.4 kW)

Engine

Type:turbocharged diesel
Model:Caterpillar 3306
Cooling:liquid-cooled inline
Starter:electric
Cylinders:6-cylinder
Rated RPM:1900
Bore/Stroke:4.75x6.00 inches (121 x 152 mm)
Fuel system:direct injection
Power (net):140 hp (104.4 kW)
Displacement:638 ci (10.5 L)
Oil capacity:29 qts (27.4 L)
Starter volts:24
Coolant capacity:39 qts (direct drive) (36.9 L), 41 qts (power shift) (38.8 L)

Height

Cab:120.5 inches (306 cm)
Hood:75 inches (190 cm)
ROPS:113 inches (287 cm)
Exhaust:120 inches (304 cm)

Tracks

Width:18 inches (45 cm)
Area on ground:3348 in² (2.2 m²)
Length on ground:93 inches (236 cm)

Capacity

Fuel:78 gal (295.2 L)
Hydraulic system:13 gal (49.2 L)

Dimensions

Width:93 inches (236 cm)
Length:147 inches (373 cm)
6A dozer length:188 inches (477 cm)
6S dozer length:186 inches (472 cm)
Shipping weight:26060 lbs (11820 kg)
Operating weight:31500 lbs (14288 kg) Weight of D6D with 6S bulldozer and ROPS.

Electrical

Charging amps:35, 50 Optional
Charging system:alternator

Hydraulics

Capacity:13 gal (49.2 L)
Pressure:2250 psi (155.1 bar)
Pump flow:44 gpm (166.5 lpm)

Mechanical

ROPS:Four-post ROPS. Cab available with air-conditioning.
Drive:crawler

Production

Type:Bulldozer
Years made:1977 - 1986
Manufacturer:Caterpillar
Original price:$101,310 in 1985

Attachments

Blade:blade

126" Blade

Cut:18.6 inches (47 cm)
Lift:36 inches (91 cm)
Tilt:32 inches (81 cm)
Model:Caterpillar 6S
Mount:front-mount
Width:126 inches (320 cm)
Height:44.4 inches (112 cm)
Weight:4700 lbs (2131 kg)
Lift type:hydraulic-lift

153" Blade

Cut:17.5 inches (44 cm)
Lift:36 inches (91 cm)
Tilt:13 inches (33 cm)
Model:Caterpillar 6A
Mount:front-mount
Width:153 inches (388 cm)
Height:36 inches (91 cm)
Weight:5000 lbs (2268 kg)
Angling:25°
Lift type:hydraulic-lift
Angle type:manual-angle

Transmission

Options:5-speed direct drive, 3-speed power shift

Power shift

Type:power shift
Gears:3 forward and reverse
Oil capacity:98 qts (92.7 L)

Direct drive

Type:direct drive
Gears:5 forward and 4 reverse
Oil capacity:104 qts (98.4 L)

Dimensions & Tracks

Tracks:18-inch tracks
Weight:26060 to 31500 pounds

Related Models

Caterpillar D6H

Model:D6H

Caterpillar D6C

Model:D6C