- Category: Off-Highway Trucks ➔
- Manufacturer: Caterpillar ➔
- Model: 793D ➔
The Caterpillar 793D Off-Highway Truck is a powerful and versatile heavy-duty vehicle designed for efficient hauling in demanding off-road environments. With a massive 480,000-pound payload capacity and a gross power of 2,415 horsepower, this rigid dump truck boasts impressive performance capabilities. Equipped with a six-speed planetary powershift transmission, robust braking system, and sturdy construction, the 793D is built to handle challenging terrains and heavy loads with ease. Explore the detailed technical specifications of the Caterpillar 793D below.
General Specifications
| Articulated/Rigid | R
Starting 2021 Model Year |
| Drive Configuration | 2WD
Starting 2021 Model Year |
| Engine Type | Cat 3516B HD
Starting 2021 Model Year |
| Mfg. Model | 793D
Starting 2021 Model Year |
| Operating Weight Pounds (Kgs) | 846,240 (383,848)
Starting 2021 Model Year |
| Planetary Powershift Transmission | Auto
Starting 2021 Model Year |
| Rated Payload Tons (Metric Tons) | 256 (232)
Starting 2021 Model Year |
Articulating/Rigid
Body Hoists
| Body Lower Time - Float | 19.26 seconds
|
| Pump Flow - High Idle | 224 gpm (848 lpm)
|
| Relief Valve Setting - Lower | 126 psi
|
| Relief Valve Setting - Raise | 2955 psi
|
Brakes
| Brake Standards | 25
|
| Brake Surface - Front | 13,921 cu in (228,125 cu cm)
|
| Brake Surface - Rear | 20,847 cu in (341,622 cu cm)
|
| Standards | J-ISO 3450 JAN88 ISO 3450:1996
|
Capacity - Dual Slope - 100% Fill Factor
| Heaped (SAE 2:1) | 169 cu yd (129 cu m)
|
| Struck | 126 cu yd (96 cu m)
|
Dimensions
| Centerline Front Tire Width | 19 ft (6 m)
|
| Dump Ground Clearance | 5 ft (1 m)
|
| Dump Height | 43 ft (13 m)
|
| Front Canopy Height | 21 ft (7 m)
|
| Ground Clearance | 3 ft (1 m)
|
| Loading Height - Empty | 19 ft (6 m)
|
| Operating Width | 25 ft (8 m)
|
| Outside Body Width | 25 ft (8 m)
|
| Overall Canopy Width | 25 ft (8 m)
|
| Overall Height | 21 ft (7 m)
|
| Overall Height - Body Raised | 43 ft (13 m)
|
| Overall Length | 42 ft (13 m)
|
| Overall Width | 25 ft (8 m)
|
| Wheel Base | 19 ft (6 m)
|
DRIVE SYSTEM
Dump
| Dump Angle | 45 degrees
|
| Load Capacity - heaped | 169 cu yd (129 cu m)
|
| Load Capacity - Struck | 126 cu yd (96 cu m)
|
| Lower Time | 19.3 seconds
|
| Raise Time | 20.3 seconds
|
| Rated Payload | 480,000 lbs (217,725 kg)
|
Engine
| Aspiration | 75 amps
|
| Bore | 7 in (17 cm)
|
| Displacement | 4,760 cu in (78,003 cu cm)
|
| Engine Model | Cat 3516B HD EUI
|
| Gross Power | 2,415 hp (1,801 kw)
|
| Gross Power - SAE J1995 | 2,415 hp (1,801 kw)
|
| Make | Cat
|
| Net Power | 2,337 hp (1,743 kw)
|
| Net Power - 80/1269/EEC | 2,337 hp (1,743 kw)
|
| Net Power - ISO 9249 | 2,337 hp (1,743 kw)
|
| Net Power - SAE J1349 | 2,337 hp (1,743 kw)
|
| Number of Cylinders | 16
|
| Power Measured @ | 1750 rpm
|
| Rated Engine Speed | 203 rpm
|
| Stroke | 9 in (22 cm)
|
| Torque Measured @ | Turbocharged rpm
|
| Torque Rise | 23%
|
Final Drives
| Differential Ratio | 28.8:1
|
| Planetary Ratio | 0.667361111111111
|
| Total Reduction Ratio | 28.8:1
|
Operating Specifications
| Alternator Supplied Amperage | 75 amps
|
| Body Capacity - SAE 2:1 | 169 cu yd (129 cu m)
|
| Brake/Hoist System Fluid Capacity | 363 gal (1,375 l)
|
| Cooling System Fluid Capacity | 257 gal (973 l)
|
| Diff and Final Drive Fluid Capacity | 70 gal (265 l)
|
| Engine Oil Capacity | 70 gal (265 l)
|
| Fuel Capacity | 1,150 gal (4,353 l)
|
| Hydraulic System Fluid Capacity | 203 gal (768 l)
|
| Lower Time | 17.5 seconds
|
| Nominal Payload Capacity | 480,000 lbs (217,725 kg)
|
| Operating Voltage | 24 volts
|
| Raise Time | 20.3 seconds
|
| Steering System Fluid Capacity | 90 gal (341 l)
|
| Tire Size | 40.00-R57(E4)
|
| Top Speed - Loaded | 34 mph (54 kph)
|
| Turning Diameter - Front | 107 ft (33 m)
|
ROPS
| ROPS Standards | ISO 3471:1994
|
Service Refill Capacities
| Brake / Hoist / Fan Hydraulic Tank | 169 gal (640 l)
|
| Brake Hoist System - Includes Tank | 363 gal (1,374 l)
|
| Cooling System | 257 gal (973 l)
|
| Differential - Final Drives | 70 gal (265 l)
|
| Steering System - Including Tank | 90 gal (341 l)
|
| Steering Tank | 60 gal (227 l)
|
| Torque Converter - Transmission Sump | 27 gal (102 l)
|
| Torque Converter/Transmission System - Including Sump | 50 gal (189 l)
|
Sound
| Sound Standards | ANSI/SAE J1166 MAY90
|
Suspension
| Effective Cylinder Stroke - Rear | 23% in (58 cm)
|
| Rear axle - Oscillation | 5.2 degrees
|
Tires
Transmission
| Forward - 1 | 7 mph (12 kph)
|
| Forward - 2 | 10 mph (16 kph)
|
| Forward - 3 | 13 mph (22 kph)
|
| Forward - 4 | 18 mph (29 kph)
|
| Forward - 5 | 25 mph (39 kph)
|
| Forward - 6 | 34 mph (54 kph)
|
| Max Speed | 34 mph (54 kph)
|
| Number of Gears - Forward | 6
|
| Number of Gears - Reverse | 1
|
| Reverse | 7 mph (11 kph)
|
| Transmission Type | Six-speed planetary powershift
|
Weights
| Body Weight Range | 846000
|
| Empty Weight | 351,258 lbs (159,328 kg)
|
| Front Axle - Empty | 46%
|
| Front Axle - Loaded | 33%
|
| Loaded Weight | 846,000 lbs (383,740 kg)
|
| Operating Weight - Loaded | SAE J1511 OCT90 ISO 5010:1992 lbs
|
| Rear Axle - Empty | 54%
|
| Rear Axle - Loaded | 67%
|
