Category : Crawler Dozers ➔ Manufacturer : Caterpillar ➔ Model : D7R ➔
The Caterpillar D7R is a crawler dozer designed for heavy earthmoving, grading, and site preparation work. Built on a tracked undercarriage, it provides traction and stability on soft, uneven, or steep ground. The D7R is commonly used in construction, mining, land clearing, road building, and large-scale material handling. It is equipped with a Caterpillar diesel engine, a heavy-duty blade, and a rugged frame for demanding applications. Known for durability and serviceability, the D7R supports a range of attachments and configurations for dozing, ripping, and pushing material in challenging operating conditions.
Dimensions
Caterpillar D7R Crawler Dozer Dimensions specifications
Ground Clearance
1.36 ft (0.41 m)
Height
11.58 ft (3.53 m)
Height To Top Of Cab
11.49 ft (3.50 m)
Length
19.00 ft (5.79 m)
Length Of Track On Ground
9.45 ft (2.88 m)
Length W/ Blade
19.10 ft (5.82 m)
Length W/O Blade
15.54 ft (4.74 m)
Weight
55,786.00 lbs (25,304.14 kg)
Width
8.25 ft (2.51 m)
Width Over Tracks
8.34 ft (2.54 m)
Engine
Caterpillar D7R Crawler Dozer Engine specifications
Aspiration
Turbocharged
Displacement
640.80 cu in (10,500.85 cu cm)
Engine Make
2236
Engine Model
3306T
Gross Power
247.00 hp (184.19 kw)
Net Power
230.00 hp (171.51 kw)
Number Of Cylinders
6
Power Measured @
2100 rpm
Hydraulic System
Caterpillar D7R Crawler Dozer Hydraulic System specifications
Pump Flow Capacity
46.80 gpm (177.14 lpm)
Pump Type
Piston
Relief Valve Pressure
3306 psi
Operational
Caterpillar D7R Crawler Dozer Operational specifications
Alternator Supplied Amperage
70 amps
Cooling System Fluid Capacity
19.90 gal (75.32 l)
Engine Oil Capacity
7.30 gal (27.63 l)
Final Drives Fluid Capacity
3.50 gal (13.25 l)
Fuel Capacity
126.60 gal (479.18 l)
Hydraulic Fluid Capacity
14.30 gal (54.13 l)
Operating Voltage
24 V
Operating Weight
54,200.00 lbs (24,584.74 kg)
Powertrain Fluid Capacity
48.10 gal (182.06 l)
Standard Blade
Caterpillar D7R Crawler Dozer Standard Blade specifications
Capacity
6.8 cu yd
Cutting Depth
20.80 in (52.83 cm)
Height
53.70 in (136.40 cm)
Width
12.90 ft (3.93 m)
Transmission
Caterpillar D7R Crawler Dozer Transmission specifications
Max Speed - Forward
6.60 mph (10.62 kph)
Max Speed - Reverse
8.40 mph (13.52 kph)
Number Of Forward Gears
3
Number Of Reverse Gears
3
Transmission Type
Power Shift
Undercarriage
Caterpillar D7R Crawler Dozer Undercarriage specifications
Ground Contact Area
4991.02 in2
Ground Pressure
10.16 psi
Number Of Shoes Per Side
40
Number Of Track Rollers Per Side
7
Standard Shoe Size
22.05 in (56.01 cm)
Track Gauge
6.50 ft (1.98 m)
