- Category: Off-Highway Trucks ➔
- Manufacturer: Caterpillar ➔
- Model: 785C ➔
The Caterpillar 785C Off-Highway Truck is a powerful and robust machine designed for heavy-duty hauling in mining and construction operations. With a gross machine operating weight of 550,000 lbs and a capacity of up to 96 cubic yards, this rigid articulating truck is equipped with a Cat 3512B engine delivering 1451 horsepower. Its six-speed planetary transmission allows for efficient operation at speeds of up to 34 mph, while the dual slope body hoists provide quick and precise dumping capabilities. The 785C boasts a durable construction, reliable performance, and impressive specifications for demanding worksites.
General Specifications
Approximate Weights - Dual Slope
| Chassis | 164,134 lbs (74,450 kg)
|
| Gross Weight - Empty | 211,035 lbs (95,724 kg)
|
Approximate Weights - Flat Floor
| Body | 56,630 lbs (25,687 kg)
|
| Chassis | 164,134 lbs (74,450 kg)
|
Articulating/Rigid
Body Hoists
| Body Lower Time - Float | 16.2 seconds
|
| Body Raise Time - High Idle | 15.2 seconds
|
| Pump Flow - High Idle | 198 gpm (749 lpm)
|
| Relief Valve Setting - Lower | 74 psi
|
| Relief Valve Setting - Raise | 2500 psi
|
Capacity - Dual Slope - 100% Fill Factor
| Heaped 2:1 (SAE) | 96 cu yd (73 cu m)
|
| Struck | 74 cu yd (57 cu m)
|
Capacity - Flat Floor - 100% Fill Factor
Dimensions
| Dump Ground Clearance | 4 ft (1 m)
|
| Dump Height | 37 ft (11 m)
|
| Ground Clearance | 3 ft (1 m)
|
| Overall Height | 19 ft (6 m)
|
| Overall Length | 36 ft (11 m)
|
| Overall Width | 21 ft (6 m)
|
| Wheelbase | 17 ft (5 m)
|
DRIVE SYSTEM
Dump
| Dump Angle | 49 degrees
|
| Load Capacity - heaped | 119 cu yd (91 cu m)
|
| Load Capacity - Struck | 96 cu yd (73 cu m)
|
| Lower Time | 15.9 seconds
|
| Raise Time | 15.2 seconds
|
Engine
| Bore | 7 in (17 cm)
|
| Displacement | 3,158 cu in (51,750 cu cm)
|
| Engine Model | Cat 3512B-EUI
|
| Gross Power | 1,451 hp (1,082 kw)
|
| Gross Power - SAE J1995 | 1,450 hp (1,081 kw)
|
| Make | Cat
|
| Net Power | 1,348 hp (1,005 kw)
|
| Net Power - 80/1269/EEC | 1,348 hp (1,005 kw)
|
| Net Power - Cat | 1,348 hp (1,005 kw)
|
| Net Power - ISO 9249 | 1,348 hp (1,005 kw)
|
| Net Power - SAE J1349 | 1,348 hp (1,005 kw)
|
| Number of Cylinders | 16
|
| Power Measured @ | 1750 rpm
|
| Rated Engine Speed | 169.4 rpm
|
| Stroke | 8 in (19 cm)
|
| Torque Measured @ | Turbocharged rpm
|
Final Drives
Operating Specifications
| Brake/Hoist System Fluid Capacity | 89 gal (337 l)
|
| Cooling System Fluid Capacity | 100 gal (379 l)
|
| Diff and Final Drive Fluid Capacity | 115 gal (435 l)
|
| Engine Oil Capacity | 24 gal (91 l)
|
| Fuel Capacity | 500 gal (1,893 l)
|
| Hydraulic System Fluid Capacity | 169 gal (641 l)
|
| Lower Time | 15.9 seconds
|
| Operating Voltage | 24 volts
|
| Raise Time | 15.2 seconds
|
| Steering System Fluid Capacity | 31 gal (117 l)
|
| Tire Size | 33.00-R51 tires
|
| Top Speed - Loaded | 34 mph (55 kph)
|
| Turning Circle - Clearance Diameter | 66 ft (20 m)
|
ROPS
Service Refill Capacities
| Brake / Hoist / Fan Hydraulic Tank | 102 gal (386 l)
|
| Brake Hoist System - Includes Tank | 169 gal (640 l)
|
| Cooling System | 100 gal (379 l)
|
| Fuel Tank - Standard | 500 gal (1,893 l)
|
| Steering System - Including Tank | 31 gal (117 l)
|
| Steering Tank | 24 gal (91 l)
|
| Torque Converter - Transmission Sump | 164,134 gal (621,247 l)
|
| Torque Converter/Transmission System - Including Sump | 66 gal (248 l)
|
Sound
| Sound Standards | ANSI/SAE J1166 MAY90 SAE J88 APR95
|
Suspension
| Rear axle - Oscillation | 12.1 degrees
|
Transmission
| Forward - 1 | 8 mph (12 kph)
|
| Forward - 2 | 10 mph (16 kph)
|
| Forward - 3 | 14 mph (22 kph)
|
| Forward - 4 | 19 mph (30 kph)
|
| Forward - 5 | 25 mph (41 kph)
|
| Forward - 6 | 34 mph (55 kph)
|
| Max Speed | 34 mph (55 kph)
|
| Number of Gears - Forward | 6
|
| Number of Gears - Reverse | 1
|
| Reverse | 7 mph (11 kph)
|
| Transmission Type | Six-speed planetary
|
Weights
| Body Weight | 164,134 lbs (74,450 kg)
|
| Empty Weight | 225,200 lbs (102,149 kg)
|
| Front Axle - Empty | 47%
|
| Front Axle - Loaded | 33%
|
| Gross Machine Operating Weight (GMW) | SAE J1040 APR88 ISO 3471:1994 lbs
|
| Loaded Weight | 550,000 lbs (249,476 kg)
|
| Operating Weight | 550,000 lbs (249,476 kg)
|
| Operating Weight - Loaded | SAE J1511 OCT90 ISO 5010:1992 lbs
|
| Rear Axle - Empty | 53%
|
| Rear Axle - Loaded | 67%
|
| Weight Distribution Front - empty | 47%
|
| Weight Distribution Front - loaded | 33%
|
| Weight Distribution Rear - empty | 53%
|
| Weight Distribution Rear - loaded | 67%
|
