Caterpillar industrial tractors
Caterpillar D7R
The Caterpillar D7R is a bulldozer manufactured by Caterpillar from 1996 to 2010. It features a Caterpillar 10.5L 6-cylinder turbocharged aftercooled diesel engine producing 247 hp gross and 230 hp net. The tractor has a 3-speed power shift transmission and a crawler drive with double-reduction planetary final drives. It offers ROPS with an optional air-conditioned cab. The D7R has load sensing hydraulics and weighs between 45300 to 55100 pounds depending on configuration. It rides on 22-inch standard tracks with options for XR and LGP track widths. The tractor supports various front-mount blades including 154", 157", and 177" models with hydraulic lift and tilt capabilities.
Power-
Founded-
ModelD7R
Technical Specifications
Detailed specifications and technical data for Caterpillar D7R
Power
| Engine (net) | 230 hp (171.5 kW) |
|---|---|
| Engine (gross) | 247 hp (184.2 kW) |
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Caterpillar 3306 |
| Cooling | liquid-cooled inline |
| Starter | electric |
| Cylinders | 6-cylinder |
| Rated RPM | 2100 |
| Bore/Stroke | 4.75x6.00 inches (121 x 152 mm) |
| Fuel system | direct injection |
| Power (net) | 230 hp (171.5 kW) |
| Displacement | 638 ci (10.5 L) |
| Power (gross) | 247 hp (184.2 kW) |
| Starter volts | 24 |
Height
| Hood | 96.6 inches (245 cm) |
|---|---|
| ROPS | 139.3 inches (353 cm) |
| Exhaust | 136 inches (345 cm) |
Tracks
| Width 1 | 20 inches (50 cm) |
|---|---|
| Width 2 | 24 inches (60 cm) |
| Width 3 | 26 inches (66 cm) |
| XR width | 22 inches (55 cm) |
| LGP width | 36 inches (91 cm) |
| Standard width | 22 inches (55 cm) |
| XR area on ground | 5280 in² (3.4 m²) |
| LGP area on ground | 9000 in² (5.8 m²) |
| XR length on ground | 120 inches (304 cm) |
| LGP length on ground | 125 inches (317 cm) |
| Standard area on ground | 4985 in² (3.2 m²) |
| Standard length on ground | 113.3 inches (287 cm) |
Dimensions
| Gauge | 78 inches (198 cm) |
|---|---|
| Width | 113 inches (287 cm) |
| Length | 186 inches (472 cm) |
| Gauge (LGP) | 88 inches (223 cm) |
| Width (LGP) | 133 inches (337 cm) |
| Shipping weight | 45300 lbs (20548 kg) |
| Operating weight | 55100 lbs (24993 kg) Weight of D7R with 7SU blade. |
Electrical
| Batteries | 2 |
|---|---|
| Battery AH | 100 |
| Battery CCA | 750 |
| Battery volts | 12 |
| Charging amps | 70 |
| Charging system | alternator |
Hydraulics
| Type | load sensing |
|---|
Mechanical
| ROPS | Cab available with air-conditioning |
|---|---|
| Drive | crawler |
| Final drives | double-reduction planetary |
Production
| Type | Bulldozer |
|---|---|
| Years made | 1996 - 2010 |
| Manufacturer | Caterpillar |
Attachments
| 154" Blade | Cut20.7 inches (52 cm) Lift45 inches (114 cm) Tilt33.3 inches (84 cm) ModelCaterpillar 7S Mountfront-mount Width154 inches (391 cm) Height53.7 inches (136 cm) Weight7640 lbs (3465 kg) Lift typehydraulic-lift |
|---|---|
| 157" Blade | Cut20.7 inches (52 cm) Lift45 inches (114 cm) Tilt33.9 inches (86 cm) ModelCaterpillar 7U Mountfront-mount Width157 inches (398 cm) Height63 inches (160 cm) Weight8657 lbs (3926 kg) Lift typehydraulic-lift |
| 177" Blade | Cut26.3 inches (66 cm) Lift44 inches (111 cm) Tilt24.7 inches (62 cm) ModelCaterpillar 7A Mountfront-mount Width177 inches (449 cm) Height37.7 inches (95 cm) Weight7768 lbs (3523 kg) Angling25° Lift typehydraulic-lift |
Transmission
| Type | power shift |
|---|---|
| Gears | 3 forward and reverse |
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