- Category: Off-Highway Trucks ➔
- Manufacturer: Caterpillar ➔
- Model: 785D ➔
The Caterpillar 785D is a powerful Off-Highway Truck designed for heavy-duty tasks in construction and mining operations. With a robust body hoist system, impressive dump capacity, and a high-powered Cat 3512C HD engine, this rigid truck boasts exceptional performance capabilities. Its spacious dimensions and high payload capacity make it a reliable choice for various challenging terrains and demanding work environments. Additional features such as a sturdy drive system, efficient transmission, and exceptional weight distribution ensure optimal operation and productivity on the job site.
General Specifications
| Articulated/Rigid | R
Starting 2021 Model Year |
| Drive Configuration | 2WD
Starting 2021 Model Year |
| Engine Type | Cat 3512C HD
Starting 2021 Model Year |
| Mfg. Model | 785D
Starting 2021 Model Year |
| Operating Weight Pounds (Kgs) | 550,000 (249,476)
Starting 2021 Model Year |
| Planetary Powershift Transmission | Auto
Starting 2021 Model Year |
| Rated Payload Tons (Metric Tons) | 136 (123.4)
Starting 2021 Model Year |
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 - Raise | 2500 psi
|
Dimensions
| Dump Ground Clearance | 4 ft (1 m)
|
| Dump Height | 39 ft (12 m)
|
| Ground Clearance | 3 ft (1 m)
|
| Overall Height | 17 ft (5 m)
|
| Overall Length | 38 ft (12 m)
|
| Overall Width | 22 ft (7 m)
|
| Wheelbase | 17 ft (5 m)
|
DRIVE SYSTEM
Dump
| Load Capacity - heaped | 102 cu yd (78 cu m)
|
| Lower Time | 15.9 seconds
|
| Raise Time | 15.2 seconds
|
| Rated Payload | 300,000 lbs (136,078 kg)
|
Engine
| Bore | 7 in (17 cm)
|
| Displacement | 3,574 cu in (58,561 cu cm)
|
| Engine Model | Cat 3512C HD
|
| Gross Power | 1,450 hp (1,081 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)
|
| Power Measured @ | 1750 rpm
|
| Rated Engine Speed | 89.1 rpm
|
| Stroke | 8 in (21 cm)
|
Final Drives
| Planetary Ratio | 10.83:1
|
| Total Reduction Ratio | 22.75:1
|
Operating Specifications
| Brake/Hoist System Fluid Capacity | 169 gal (641 l)
|
| Cooling System Fluid Capacity | 100 gal (379 l)
|
| Diff and Final Drive Fluid Capacity | 115 gal (436 l)
|
| Engine Oil Capacity | 54 gal (204 l)
|
| Fuel Capacity | 500 gal (1,893 l)
|
| Hydraulic System Fluid Capacity | 89 gal (337 l)
|
| Nominal Payload Capacity | 115 lbs (52 kg)
|
| Steering System Fluid Capacity | 31 gal (117 l)
|
| Tire Size | 33.00-51 50PR (E3 & E4)
|
| Top Speed - Loaded | 34 mph (55 kph)
|
| Turning Circle - Clearance Diameter | 66 ft (20 m)
|
Service Refill Capacities
| Brake Hoist System - Includes Tank | 169 gal (640 l)
|
| Cooling System | 100 gal (379 l)
|
| Fuel Tank - Optional | 20831-30,623 kg (45,924-67,512 lbs) |
| 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 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)
|
Weights
| Chassis Weight | 89 lbs (40 kg)
|
| Empty Weight | 259,257 lbs (117,597 kg)
|
| Loaded Weight | 550,000 lbs (249,476 kg)
|
| Operating Weight - Loaded | SAE J1511 OCT90 ISO 5010:1992 lbs
|
| Rear Axle - Empty | 54-55%
|
| Weight Distribution Front - empty | 46%
|
| Weight Distribution Front - loaded | 33%
|
| Weight Distribution Rear - empty | 55%
|
| Weight Distribution Rear - loaded | 67%
|
