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Caterpillar D7G

Caterpillar D7G tractor
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The Caterpillar D7G is a bulldozer produced from 1974 to 1986. It features a Caterpillar 3306 turbocharged 6-cylinder diesel engine with 215 hp gross power and 200 hp net power. The tractor offers two transmission options: a 5-speed direct drive and a 3-speed power shift. It has a crawler drive with ROPS and an optional cab with air-conditioning. The D7G has various blade attachments available, including 144", 150", and 168" front-mount hydraulic-lift blades. It has a fuel capacity of 115 gallons and a hydraulic system capacity of 24 gallons. The tractor weighs between 33,600 and 45,100 pounds depending on configuration.
Caterpillar D7Gbulldozertractor specificationsCaterpillar 3306 engine215 hp5-speed direct drive3-speed power shifthydraulic blade attachments
Power-
Founded-
ModelD7G

Technical Specifications

Detailed specifications and technical data for Caterpillar D7G

Power

Engine (net):200 hp (149.1 kW)
Engine (gross):215 hp (160.3 kW)

Engine

Type:turbocharged diesel
Model:Caterpillar 3306
Cooling:liquid-cooled inline
Starter:electric
Cylinders:6-cylinder
Rated RPM:2000
Bore/Stroke:4.75x6.00 inches (121 x 152 mm)
Power (net):200 hp (149.1 kW)
Displacement:638 ci (10.5 L)
Oil capacity:29 qts (27.4 L)
Power (gross):215 hp (160.3 kW)
Starter volts:24
Coolant capacity:48 qts (45.4 L)

Tracks

Width:20 inches (50 cm), 22 inches (55 cm), 24 inches (60 cm)
Area on ground:4270 in² (2.8 m²)
Length on ground:107 inches (271 cm)

Capacity

Fuel:115 gal (435.3 L)
Hydraulic system:24 gal (90.8 L)

Dimensions

Gauge:78 inches (198 cm)
Width:103 inches (261 cm)
Length:165 inches (419 cm)
Height (ROPS):128 inches (325 cm)
7A dozer length:216 inches (548 cm)
7S dozer length:208 inches (528 cm)
7U dozer length:227 inches (576 cm)
Shipping weight:33600 lbs (15240 kg)
Height (exhaust):131.5 inches (334 cm)
Operating weight:45100 lbs (20457 kg) Weight of power shift D7G with 7U bulldozer.

Electrical

Optional:50
Charging amps:19
Charging system:alternator

Hydraulics

Capacity:24 gal (90.8 L)
Pressure:2450 psi (168.9 bar)
Pump flow:60 gpm (227.1 lpm)

Mechanical

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

Production

Type:Bulldozer
Original price:$152,560 in 1985
Years produced:1974 - 1986

Attachments

Blade 144"

Cut:17.6 inches (44 cm)
Lift:46 inches (116 cm)
Tilt:28.4 inches (72 cm)
Model:Caterpillar 7S
Mount:front-mount
Width:144 inches (365 cm)
Height:50 inches (127 cm)
Weight:7660 lbs (3474 kg)
Lift type:hydraulic-lift

Blade 150"

Cut:17.6 inches (44 cm)
Lift:46 inches (116 cm)
Tilt:29.7 inches (75 cm)
Model:Caterpillar 7U
Mount:front-mount
Width:150 inches (381 cm)
Height:50 inches (127 cm)
Weight:8420 lbs (3819 kg)
Lift type:hydraulic-lift

Blade 168"

Cut:18.9 inches (48 cm)
Lift:47 inches (119 cm)
Tilt:11.8 inches (29 cm)
Model:Caterpillar 7A
Mount:front-mount
Width:168 inches (426 cm)
Height:38 inches (96 cm)
Weight:6850 lbs (3107 kg)
Angling:25°
Lift type:hydraulic-lift

Transmission

Options:5-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:5 forward and 4 reverse
Power shift Oil capacity:74 qts (70.0 L)
Direct drive Oil capacity:64 qts (60.6 L)

Related Models

Caterpillar D7H

Model:D7H

Caterpillar D7F

Model:D7F