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Caterpillar D7R

Caterpillar D7R tractor
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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.
Caterpillar D7Rbulldozerspecificationsenginetransmissiondimensionshydraulicsattachments
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

Cut:20.7 inches (52 cm)
Lift:45 inches (114 cm)
Tilt:33.3 inches (84 cm)
Model:Caterpillar 7S
Mount:front-mount
Width:154 inches (391 cm)
Height:53.7 inches (136 cm)
Weight:7640 lbs (3465 kg)
Lift type:hydraulic-lift

157" Blade

Cut:20.7 inches (52 cm)
Lift:45 inches (114 cm)
Tilt:33.9 inches (86 cm)
Model:Caterpillar 7U
Mount:front-mount
Width:157 inches (398 cm)
Height:63 inches (160 cm)
Weight:8657 lbs (3926 kg)
Lift type:hydraulic-lift

177" Blade

Cut:26.3 inches (66 cm)
Lift:44 inches (111 cm)
Tilt:24.7 inches (62 cm)
Model:Caterpillar 7A
Mount:front-mount
Width:177 inches (449 cm)
Height:37.7 inches (95 cm)
Weight:7768 lbs (3523 kg)
Angling:25°
Lift type:hydraulic-lift

Transmission

Type:power shift
Gears:3 forward and reverse

Related Models

Caterpillar D7H

Model:D7H