- Length W/ Blade: 21 ft / 6398 mm
- Width Over Tracks: 8.67 ft / 2642 mm
- Height To Top Of Cab: 11.48 ft / 3498 mm
- Length Of Track On Ground: 10.52 ft / 3206 mm
Published dimensions and weight
Caterpillar D8R
The Caterpillar D8R is a crawler tractor of about 33.5 t, built around the 3406C engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight73850 lb33497.8 kg
03Selected published values42
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Caterpillar D8R include published operating weight of 73850 lb / 33497.8 kg, published engine power of 328 hp / 244.6 kw, published hydraulic flow of 79.3 gal/min / 300 L/min. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length W/ Blade” field (21 ft / 6398 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tracks” field (8.67 ft / 2642 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (11.48 ft / 3498 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Length W/ Blade21 ft6398 mm
Width Over Tracks8.67 ft2642 mm
Height To Top Of Cab11.48 ft3498 mm
Length Of Track On Ground10.52 ft3206 mm
Ground Clearance1.74 ft528 mm
Length W/O Blade14.95 ft4554 mm
Undercarriage
Track Gauge6.84 ft2082 mm
Standard Shoe Size22.05 in560 mm
Number Of Shoes Per Side4444
Ground Pressure13.1 psi90.33 kPa
Ground Contact Area5554 in23.59 m2
Number Of Track Rollers Per Side88
Track Pitch8.51 in216 mm
Engine
Number Of Cylinders66
Engine Make22362236
Engine Model3406C3406C
Gross Power328 hp244.6 kw
Net Power305 hp227.5 kw
Power Measured @2100 rpm2100 rpm
Displacement893 cu in14.7 L
AspirationTurbocharged and AftercooledTurbocharged and Aftercooled
Operational
Operating Weight73850 lb33497.8 kg
Fuel Capacity165.2 gal625 L
Cooling System Fluid Capacity24.4 gal92 L
Engine Oil Capacity8.6 gal32.5 L
Hydraulic Fluid Capacity19.1 gal72 L
Powertrain Fluid Capacity38.1 gal144 L
Final Drives Fluid Capacity3.7 gal14 L
Operating Voltage24 V24 V
Alternator Supplied Amperage50 amps50 amps
Transmission
Transmission TypePower ShiftPower Shift
Number Of Forward Gears33
Number Of Reverse Gears33
Max Speed - Forward6.7 mph10.8 km/h
Max Speed - Reverse8.6 mph13.9 km/h
Hydraulic System
Pump TypePistonPiston
Relief Valve Pressure3500 psi24131.7 kPa
Pump Flow Capacity79.3 gal/min300 L/min
Standard Blade
Width13 ft3937 mm
Height66.6 in1690 mm
Capacity11.4 yd38.8 m3
Cutting Depth23 in582 mm
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Manufacturer-published specifications.