Caterpillar industrial tractors
Caterpillar D7G
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.
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" | Cut17.6 inches (44 cm) Lift46 inches (116 cm) Tilt28.4 inches (72 cm) ModelCaterpillar 7S Mountfront-mount Width144 inches (365 cm) Height50 inches (127 cm) Weight7660 lbs (3474 kg) Lift typehydraulic-lift |
|---|---|
| Blade 150" | Cut17.6 inches (44 cm) Lift46 inches (116 cm) Tilt29.7 inches (75 cm) ModelCaterpillar 7U Mountfront-mount Width150 inches (381 cm) Height50 inches (127 cm) Weight8420 lbs (3819 kg) Lift typehydraulic-lift |
| Blade 168" | Cut18.9 inches (48 cm) Lift47 inches (119 cm) Tilt11.8 inches (29 cm) ModelCaterpillar 7A Mountfront-mount Width168 inches (426 cm) Height38 inches (96 cm) Weight6850 lbs (3107 kg) Angling25° Lift typehydraulic-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) |
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