- Overall Length: 28.67 ft / 8738.62 mm
- Overall Width: 15.59 ft / 4751 mm
- Overall Height: 10.24 ft / 3120 mm
- Wheelbase: 12.99 ft / 3960 mm
Published dimensions and weight
Caterpillar 770
The Caterpillar 770 is a rock truck of about 71.2 t, powered by a 476 hp engine.
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 values120
Rigid rock trucks are commonly used to haul rock and bulk material on mines, quarries and large earthmoving sites. Published rows for Caterpillar 770 include published payload of 80000 lb / 36287.4 kg, published engine power of 511 hp / 381 kw, published maximum speed of 46.5 mph / 74.8 km/h. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (28.67 ft / 8738.62 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (15.59 ft / 4751 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (10.24 ft / 3120 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 Length28.67 ft8738.62 mm
Overall Width15.59 ft4751 mm
Overall Height10.24 ft3120 mm
Wheelbase12.99 ft3960 mm
Ground Clearance2.23 ft679.71 mm
Dump Height27.17 ft8280 mm
Dump Ground Clearance1.58 ft498 mm
Inside Body Depth - Maximum4.35 ft1.33 m
Inside Body Length18.21 ft5.56 m
Dump Clearance1.52 ft0.47 m
Centerline Front Tire Width10.2 ft3.11 m
Centerline Of Rear Dual Tire Width8.32 ft2.54 m
Loading Height - Empty10.24 ft3.13 m
Operating Width15.59 ft4751.84 mm
Overall Body Length26.81 ft8.18 m
Overall Canopy Width13 ft3.97 m
Overall Height - Body Raised27.17 ft8.29 m
Overall Tire Width12.12 ft3.7 m
Inside Body Width12.13 ft3.7 m
Rear Axle - Clearance1.67 ft0.51 m
Rear Axle - Tail8.5 ft2.6 m
Wheel Base13 ft3.97 m
Engine Guard Clearance2.21 ft0.68 m
Front Canopy Height13.58 ft4.14 m
Height - Top Of Rops12.83 ft3.92 m
Dump
Dump Angle47.5 degrees47.5 degrees
Load Capacity - Struck22.4 yd317.11 m3
Load Capacity - Heaped32.9 yd325.1 m3
Rated Payload80000 lb36287.4 kg
Lower Time12.5 sec12.5 sec
Raise Time9.5 sec9.5 sec
Engine
Number Of Cylinders66
Engine Make22362236
Engine ModelC15 ACERTC15 ACERT
Net Power476 hp355 kw
Gross Power511 hp381 kw
Power Measured @1800 rpm1800 rpm
Max Torque1711 lb ft2319.9 Nm
Displacement927.6 cu in15.3 L
AspirationTurbochargedTurbocharged
Peak Torque1711 lb ft2319.9 Nm
Bore5.4 in137.2 mm
Stroke6.7 in170.2 mm
Net Power - Sae J1349476 hp355 kw
Net Power - 80/1269/Eec476 hp355 kw
Gross Power - Sae J1995511 hp381.1 kw
Rated Engine Speed1800 rpm1800 rpm
Net Power - Iso 9249:1997476 hp355 kw
Operational
Fuel Capacity140 gal530 L
Cooling System Fluid Capacity30 gal114 L
Engine Oil Capacity56 gal15 L
Diff And Final Drive Fluid Capacity42 gal159 L
Steering System Fluid Capacity15 gal56 L
Brake/Hoist System Fluid Capacity73 gal277 L
Hydraulic System Fluid Capacity25 gal95 L
Tire Size18.00R33(E4)18.00R33(E4)
Transmission
Transmission TypePower ShiftPower Shift
Number Of Gears - Forward77
Number Of Gears - Reverse11
Max Speed46.5 mph74.8 km/h
Reverse9.9 mile/h9.9 mile/h
Forward - 17.5 mph12.1 km/h
Forward - 210.3 mph16.6 km/h
Forward - 314 mph22.6 km/h
Forward - 418.8 mph30.3 km/h
Forward - 525.4 mph40.9 km/h
Forward - 634.3 mph55.3 km/h
Forward - 746.5 mph74.9 km/h
Steering
Steering StandardsISO 5010:1992ISO 5010:1992
Steer Angle40 degrees40 degrees
Weights
Empty Weight75490 lb34242 kg
Loaded Weight157000 lb71214 kg
Weight Distribution Front - Empty48 %48 %
Weight Distribution Rear - Empty52 %52 %
Weight Distribution Front - Loaded34 %34 %
Weight Distribution Rear - Loaded66 %66 %
Tires
Standard Tire18.00R33 (E4)18.00R33 (E4)
Brakes
Brake Surface - Front216 in20.2 m2
Brake Surface - Rear6235 in24.1 m2
Brake StandardsISO 3450: 1996ISO 3450: 1996
Body Hoists
Pump Flow - High Idle136 gal/min136 gal/min
Relief Valve Setting - Raise2500 psi2500 psi
Body Raise Time - High Idle9.5 s9.5 s
Body Lower Time - Float12.5 s12.5 s
Body Power Down - High Idle12.5 s12.5 s
Relief Valve Setting - Lower500 psi500 psi
Final Drives
Planetary Ratio4.80:14.80:1
Differential Ratio2.74:12.74:1
Total Reduction Ratio13.15:113.15:1
Operating Specifications
Nominal Payload Class (100%)80000 lb36287.4 kg
Top Speed - Loaded46.5 mph74.9 km/h
Maximum Capacity80000 lb36287.4 kg
Body Capacity - Sae 2:132.8 yd325.1 m3
Target Payload Capacity80000 lb36287.4 kg
Service Refill Capacities
Cooling System30 gal113.6 L
Differential - Final Drives22 gal83.3 L
Steering Tank9 gal34.1 L
Steering System - Including Tank15 gal56.8 L
Fuel Tank140 gal530 L
Crankcase9 gal34.1 L
Brake / Hoist / Fan Hydraulic Tank35 gal132.5 L
Brake/Hoist/Fan System (Tank)73 gal276.4 L
Transmission - Torque Converter Sump14 gal53 L
Transmission - Torque Converter System - Including Sump19 gal72 L
Weight Distributions - Approximate
Front Axle - Empty48 %48 %
Front Axle - Loaded34 %34 %
Rear Axle - Empty52 %52 %
Rear Axle - Loaded66 %66 %
Weights - Approximate
Target Gross Machine Operating Weight157000 lb71214.1 kg
Chassis Weight53380 lb24212.8 kg
Body Weight22110 lb10029 kg
Capacity - Dual Slope - 100% Fill Factor
Struck21.5 yd316.5 m3
Heaped 2:1 (Sae)32.8 yd325.1 m3
Capacity - Flat Floor - 100% Fill Factor
Struck21.5 yd316.5 m3
Heaped 2:1 (Sae)32.8 yd325.1 m3
Rops
Rops/Fops Standards..
Sound
Sound Standards..
Suspension
Rear Axle - Oscillation5.4 degrees5.4 degrees
Effective Cylinder Stroke - Front9.2 in233.7 mm
Effective Cylinder Stroke - Rear5.9 in149.9 mm
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Manufacturer-published specifications.