- Overall Length: 26.91 ft / 8200 mm
- Overall Width: 12.01 ft / 3659 mm
- Overall Height: 12.11 ft / 3690 mm
- Wheelbase: 12.19 ft / 3713 mm
Published dimensions and weight
Caterpillar 771D
Rated at 485 hp, the Caterpillar 771D is a rock truck.
01Published dimensions and weight
Dimensions reference
Representative category illustration; exact model may differ.Measurement reference — not to scale

01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values25
Rigid rock trucks are commonly used to haul rock and bulk material on mines, quarries and large earthmoving sites. Published rows for Caterpillar 771D include published payload of 90279.3 lb / 40950 kg, published engine power of 510 hp / 380.4 kw, published maximum speed of 35.5 mph / 57 km/h. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (26.91 ft / 8200 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (12.01 ft / 3659 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (12.11 ft / 3690 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
Overall Length26.91 ft8200 mm
Overall Width12.01 ft3659 mm
Overall Height12.11 ft3690 mm
Wheelbase12.19 ft3713 mm
Ground Clearance1.97 ft600 mm
Dump Height25.38 ft7735 mm
Dump Ground Clearance1.53 ft464 mm
Dump
Load Capacity - Struck26.43 yd320.2 m3
Load Capacity - Heaped35.97 yd327.5 m3
Rated Payload90279.3 lb40950 kg
Engine
Engine Make22362236
Engine Model3408ETA3408ETA
Gross Power510 hp380.4 kw
Net Power485 hp361.7 kw
Displacement1098.5 cu in18 L
Operational
Fuel Capacity140.1 gal530 L
Tire Size18R33 (E-4)18R33 (E-4)
Transmission
Number Of Gears - Forward66
Max Speed35.5 mph57 km/h
Weights
Empty Weight76610.7 lb34750 kg
Loaded Weight166890 lb75700 kg
Weight Distribution Front - Empty49.8 %49.8 %
Weight Distribution Rear - Empty50.2 %50.2 %
Weight Distribution Front - Loaded33.3 %33.3 %
Weight Distribution Rear - Loaded66.7 %66.7 %
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Manufacturer-published specifications.