Published dimensions and weight

Caterpillar 785C

Weighing roughly 249.5 t and rated at 1348 hp, the Caterpillar 785C is a rock truck in its size class.

01Published dimensions and weight

Dimensions reference

Representative category illustration for Rock Truck

Representative category illustration; exact model may differ.Measurement reference — not to scale

01Dimensions referenceLength × width × height

02WeightNot publishedNot published

03Selected published values118

Published highlights

Overall Length: 36.25 ft / 11024 mm
Overall Width: 20.6 ft / 6277 mm
Overall Height: 19 ft / 5769 mm
Wheelbase: 17 ft / 5182 mm

Typical use

Rigid rock trucks are commonly used to haul rock and bulk material on mines, quarries and large earthmoving sites. Published rows for Caterpillar 785C include published payload of 300000 lb / 136077.72 kg, published engine power of 1451 hp / 1082 kw, published maximum speed of 34 mph / 54.8 km/h. These values describe the published configuration; verify the specific machine's configuration, attachments and records.

Buyer review notes

Compare the published “Overall Length” field (36.25 ft / 11024 mm) with the specific machine's configuration and records; options and condition can differ.
Compare the published “Overall Width” field (20.6 ft / 6277 mm) with the specific machine's configuration and records; options and condition can differ.
Compare the published “Overall Height” field (19 ft / 5769 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 Length36.25 ft11024 mm

Overall Width20.6 ft6277 mm

Overall Height19 ft5769 mm

Wheelbase17 ft5182 mm

Ground Clearance3.24 ft987 mm

Dump Height36.83 ft11207 mm

Dump Ground Clearance4.21 ft1284 mm

Dump

Dump Angle49 degrees49 degrees

Load Capacity - Struck96 yd374 m3

Load Capacity - Heaped119 yd391 m3

Rated Payload300000 lb136077.72 kg

Lower Time15.9 sec15.9 sec

Raise Time15.2 sec15.2 sec

Engine

Number Of Cylinders1616

Engine Make22362236

Engine Model3512B-EUI3512B-EUI

Gross Power1451 hp1082 kw

Net Power1348 hp1005.3 kw

Power Measured @1750 rpm1750 rpm

AspirationTurbochargedTurbocharged

Displacement3158 cu in51.8 L

Torque Rise23 %23 %

Bore6.7 in170.2 mm

Stroke7.5 in190.5 mm

Net Power - Cat1348 hp1005.3 kw

Net Power - Iso 92491348 hp1005.3 kw

Net Power - Sae J13491348 hp1005.3 kw

Net Power - 80/1269/Eec1348 hp1005.3 kw

Gross Power - Sae J19951450 hp1081.3 kw

Operational

Fuel Capacity500 gal1893 L

Cooling System Fluid Capacity100 gal379 L

Engine Oil Capacity24 gal90 L

Diff And Final Drive Fluid Capacity115 gal436 L

Steering System Fluid Capacity31 gal117 L

Brake/Hoist System Fluid Capacity89 gal337 L

Hydraulic System Fluid Capacity169.4 gal641 L

Operating Voltage24 V24 V

Alternator Supplied Amperage75 amps75 amps

Tire Size33.00-R51 tires33.00-R51 tires

Transmission

Transmission TypeSix-speed planetarySix-speed planetary

Number Of Gears - Forward66

Number Of Gears - Reverse11

Max Speed34 mph54.8 km/h

Reverse6.8 mile/h6.8 mile/h

Forward - 17.5 mph12.1 km/h

Forward - 210.2 mph16.5 km/h

Forward - 313.8 mph22.3 km/h

Forward - 418.6 mph30 km/h

Forward - 525.2 mph40.6 km/h

Forward - 634 mph54.8 km/h

Steering

Steering StandardsSAE J1511 OCT90 ISO 5010:1992SAE J1511 OCT90 ISO 5010:1992

Weights

Empty Weight225200 lb102150 kg

Loaded Weight550000 lb249480 kg

Weight Distribution Front - Empty47 %47 %

Weight Distribution Rear - Empty53 %53 %

Weight Distribution Front - Loaded33 %33 %

Weight Distribution Rear - Loaded67 %67 %

Tires

Standard Tires33.00-R51 (E4) 33.00-R51 (E3)33.00-R51 (E4) 33.00-R51 (E3)

Brakes

Brake Surface - Front9497 in26.2 m2

Brake Surface - Rear13908 in29 m2

StandardsSAE J1473 OCT90 ISO 3450-1985SAE J1473 OCT90 ISO 3450-1985

Body Hoists

Pump Flow - High Idle198 gal/min198 gal/min

Relief Valve Setting - Raise2500 psi2500 psi

Body Raise Time - High Idle15.2 s15.2 s

Body Lower Time - Float16.2 s16.2 s

Body Power Down - High Idle15.9 s15.9 s

Body Lower Time - High Idle15.9 s15.9 s

Final Drives

Planetary Ratio10.83:110.83:1

Differential Ratio2.10:12.10:1

Total Reduction Ratio22.75:122.75:1

Operating Specifications

Top Speed - Loaded34 mph54.8 km/h

Raise Time15.2 s15.2 s

Lower Time15.9 s15.9 s

Steer Angle36 degrees36 degrees

Turning Diameter - Front90.2 ft27.5 m

Nominal Payload Capacity300000 lb136077.6 kg

Machine Clearance Turning Diameter100.4 ft30.7 m

Sae (2:1) Capacity102 yd378 m3

Service Refill Capacities

Cooling System100 gal378.6 L

Differential - Final Drives115 gal435.4 L

Steering Tank24 gal90.9 L

Steering System - Including Tank31 gal117.4 L

Brake Hoist System - Includes Tank169 gal639.8 L

Crankcase54 gal204.5 L

Brake/Hoist Hydraulic Tank89 gal337 L

Torque Converter/Transmission System - Including Sump65.6 gal248 L

Fuel Tank - Standard500 gal1892.8 L

Weight Distributions - Approximate

Front Axle - Empty47 %47 %

Front Axle - Loaded33 %33 %

Rear Axle - Empty53 %53 %

Rear Axle - Loaded67 %67 %

Weights - Approximate

Chassis Weight164134 lb74450 kg

Gross Machine Operating Weight550000 lb249475.9 kg

Operating Weight - Empty - Flat Floor Body225200 lb102149.1 kg

Operating Weight - Empty - Dual-Slope Body211035 lb95723.9 kg

Capacity - Dual Slope - 100% Fill Factor

Struck74 yd356.6 m3

Heaped (Sae 2:1)102 yd378 m3

Capacity - Flat Floor - 100% Fill Factor

Struck96 yd373.4 m3

Heaped (Sae 2:1)119 yd391 m3

Rops

Rops StandardsSAE J1040 APR88 ISO 3471:1994SAE J1040 APR88 ISO 3471:1994

Sound

Sound StandardsANSI/SAE J1166 MAY90 SAE J88 APR95ANSI/SAE J1166 MAY90 SAE J88 APR95

Suspension

Effective Cylinder Stroke - Front12.1 in307.4 mm

Effective Cylinder Stroke - Rear6.5 in165.1 mm

Approximate Weights - Dual Slope

Body46865 lb21257.7 kg

Chassis164134 lb74450 kg

Front Axle - Empty47 %47 %

Front Axle - Loaded33 %33 %

Rear Axle - Empty53 %53 %

Rear Axle - Loaded67 %67 %

Gross Weight - Empty211035 lb95723.9 kg

Approximate Weights - Flat Floor

Body56630 lb25687 kg

Chassis164134 lb74450 kg

Front Axle - Empty47 %47 %

Front Axle - Loaded33 %33 %

Rear Axle - Empty53 %53 %

Rear Axle - Loaded67 %67 %

Gross Weight - Empty225200 lb102149.1 kg

Standard Liner4400 lb1995.9 kg

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Manufacturer-published specifications.

Caterpillar 785C

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