Category : Crawler Dozers ➔ Manufacturer : Caterpillar ➔ Model : D8R ➔
The Caterpillar D8R is a heavy-duty crawler dozer designed for earthmoving, site preparation, mining, and large-scale grading applications. Built on Caterpillar's D8 platform, the D8R features a tracked undercarriage for traction and stability in rough terrain, along with a powerful diesel engine and a robust powertrain for pushing and ripping material. Common configurations include a straight blade or semi-U blade, rear ripper, and enclosed operator cab. The D8R is used in construction, quarrying, forestry, and land clearing where high drawbar pull, durability, and blade control are required. It remains a widely recognized model in the crawler dozer category.
Dimensions
Caterpillar D8R Crawler Dozer Dimensions specifications
Ground Clearance
1.74 ft (0.53 m)
Height
11.50 ft (3.51 m)
Height To Top Of Cab
11.48 ft (3.50 m)
Length
21.00 ft (6.40 m)
Length Of Track On Ground
10.52 ft (3.21 m)
Length W/ Blade
21.00 ft (6.40 m)
Length W/O Blade
14.95 ft (4.56 m)
Weight
83,599.00 lbs (37,919.92 kg)
Width
8.67 ft (2.64 m)
Width Over Tracks
8.67 ft (2.64 m)
Engine
Caterpillar D8R Crawler Dozer Engine specifications
Aspiration
Turbocharged and Aftercooled
Displacement
893.00 cu in (14,633.68 cu cm)
Engine Make
2236
Engine Model
3406C
Gross Power
328.00 hp (244.59 kw)
Net Power
305.00 hp (227.44 kw)
Number Of Cylinders
6
Power Measured @
2100 rpm
Hydraulic System
Caterpillar D8R Crawler Dozer Hydraulic System specifications
Pump Flow Capacity
79.30 gpm (300.15 lpm)
Pump Type
Piston
Relief Valve Pressure
3500 psi
Operational
Caterpillar D8R Crawler Dozer Operational specifications
Alternator Supplied Amperage
50 amps
Cooling System Fluid Capacity
24.40 gal (92.35 l)
Engine Oil Capacity
8.60 gal (32.55 l)
Final Drives Fluid Capacity
3.70 gal (14.00 l)
Fuel Capacity
165.20 gal (625.28 l)
Hydraulic Fluid Capacity
19.10 gal (72.29 l)
Operating Voltage
24 V
Operating Weight
82,880.60 lbs (37,587.57 kg)
Powertrain Fluid Capacity
38.10 gal (144.21 l)
Standard Blade
Caterpillar D8R Crawler Dozer Standard Blade specifications
Capacity
26.2 cu yd
Cutting Depth
23.00 in (58.42 cm)
Height
97.10 in (246.63 cm)
Width
13.00 ft (3.96 m)
Transmission
Caterpillar D8R Crawler Dozer Transmission specifications
Max Speed - Forward
6.70 mph (10.78 kph)
Max Speed - Reverse
8.60 mph (13.84 kph)
Number Of Forward Gears
3
Number Of Reverse Gears
3
Transmission Type
Power Shift
Undercarriage
Caterpillar D8R Crawler Dozer Undercarriage specifications
Ground Contact Area
5554 in2
Ground Pressure
13.1 psi
Number Of Shoes Per Side
44
Number Of Track Rollers Per Side
8
Standard Shoe Size
22.05 in (56.01 cm)
Track Gauge
6.83 ft (2.08 m)
Track Pitch
8.51 in (21.62 cm)
