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Caterpillar

785C

Off-Highway Truck

Operating Weight
550,000 lb
Max Speed
34.0 mph
Gross Power
1,451.0 hp
Net Power
1,348.0 hp
Caterpillar 785C Off-Highway Truck
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Image: h-cpc.cat.com

Specifications

92 data points

Operating Specifications

Operating Specifications specifications
Fuel Capacity499.9 gal
Tire Size33.00-R51 tires
Engine Oil Capacity24.0 gal
Cooling System Fluid Capacity100.0 gal
Hydraulic System Fluid Capacity169.4 gal
Operating Voltage24 V
Steering System Fluid Capacity31.0 gal
Diff and Final Drive Fluid Capacity115.0 gal
Brake/Hoist System Fluid Capacity89.0 gal
Top Speed - Loaded34.0 mph
Lower Time15.9 s
Raise Time15.2 s
Turning Circle - Clearance Diameter787 in

Engine

Engine specifications
Engine ModelCat 3512B-EUI
Displacement3,158 in³
Power Measured @1,750 rpm
Gross Power1,451.0 hp
Net Power1,348.0 hp
Number of Cylinders16
Torque Measured @—
MakeCat
Bore7 in
Stroke8 in
Gross Power - SAE J19951,450.0 hp
Rated Engine Speed169 rpm
Net Power - ISO 92491,348.0 hp
Net Power - SAE J13491,348.0 hp
Net Power - 80/1269/EEC1,348.0 hp
Net Power - Cat1,348.0 hp

Weights

Weights specifications
Operating Weight550,000 lb
Operating Weight - LoadedSAE J1511 OCT90 ISO 5010:1992 lbs
Front Axle - empty—
Rear Axle - empty—
Front Axle - loaded—
Rear Axle - loaded—
Empty Weight225,200 lb
Loaded Weight550,000 lb
Weight Distribution Front - loaded33.0 %
Weight Distribution Rear - loaded67.0 %
Weight Distribution Front - empty47.0 %
Weight Distribution Rear - empty53.0 %
Body Weight164,134 lb
Gross Machine Operating Weight (GMW)SAE J1040 APR88 ISO 3471:1994 lbs

Dimensions

Dimensions specifications
Ground Clearance40 in
Wheelbase204 in
Overall Length435 in
Overall Width247 in
Overall Height228 in
Dump Height443 in
Dump Ground Clearance52 in

Transmission

Transmission specifications
Max Speed34.0 mph
Transmission TypeSix-speed planetary
Number of Gears - Forward6
Number of Gears - Reverse1
Forward - 17.5 mph
Forward - 210.2 mph
Forward - 313.8 mph
Forward - 418.6 mph
Forward - 525.2 mph
Forward - 634.0 mph
Reverse6.8 mph

Drive System

Drive System specifications
Drive Config4x2

Service Refill Capacities

Service Refill Capacities specifications
Cooling System100.0 gal
Steering System - Including Tank31.0 gal
Steering Tank24.0 gal
Brake Hoist System - Includes Tank169.0 gal
Torque Converter - Transmission System - Including Sump65.6 gal
Brake / Hoist / Fan Hydraulic Tank102.0 gal
Torque Converter - Transmission Sump164,116.1 gal
Fuel Tank - Standard499.9 gal

Articulating/Rigid

Articulating/Rigid specifications
Articulating/RigidRigid

Dump

Dump specifications
Dump Angle49 °
Raise Time15.2 s
Lower Time15.9 s
Load Capacity - heaped119.00 yd³
Load Capacity - Struck95.99 yd³

Sound

Sound specifications
Sound StandardsANSI/SAE J1166 MAY90 SAE J88 APR95

Approximate Weights - Flat Floor

Approximate Weights - Flat Floor specifications
Body56,630 lb
Chassis164,134 lb

Body Hoists

Body Hoists specifications
Pump Flow - High Idle198.0 gal/min
Relief Valve Setting - Raise2,500 psi
Body Raise Time - High Idle15.2 s
Body Lower Time - Float16.2 s
Relief Valve Setting - Lower74 psi

Final Drives

Final Drives specifications
Planetary Ratio10.83:1

ROPS

ROPS specifications
ROPS/FOPS Standards46,865

Capacity - Flat Floor - 100% Fill Factor

Capacity - Flat Floor - 100% Fill Factor specifications
Struck95.99 yd³

Suspension

Suspension specifications
Rear axle - Oscillation12 °

Approximate Weights - Dual Slope

Approximate Weights - Dual Slope specifications
Gross Weight - Empty211,035 lb
Chassis164,134 lb

Capacity - Dual Slope - 100% Fill Factor

Capacity - Dual Slope - 100% Fill Factor specifications
Struck73.99 yd³
Heaped 2:1 (SAE)95.99 yd³

Comparable machines

Other off-highway trucks in a similar weight class.