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794 AC Mining Truck

What will it take to boost your bottom line? The Cat® 794 AC electric-drive truck delivers a full 320-ton payload, increased speed on grade, 40% more retarding power than competitive trucks, superior braking performance and easier maintenance. The result? High availability, more confident operators and improved productivity. The 794 features a proven electric-drive powertrain that is Caterpillar designed, integrated and supported. Validated on sites around the world, the 794 has proven its performance in a variety of applications, making it the ideal choice for a wide variety of applications. It hauls more every load, every cycle and every shift. And it delivers a better bottom line to the most important mine in the world: yours.

Specifications
Equipment
Units: US Metric
Engine
Engine Model
Cat® C175-16
Gross Power - SAE J1995
3500 HP
2610 kW
Standard Gross Power - SAE J1995
3500 HP
2610 kW
Optional Gross Power - SAE J1995
3100 HP
2312 kW
Optional Gross Power - SAE J1995 (Option 2)
2750 HP
2051 kW
Rated Speed
1800 r/min
1800 r/min
Net Power - SAE J1349
3405 HP
2539 kW
Emissions Rating
Fuel Optimized
Bore
6.9 in
175 mm
Stroke
8.7 in
220 mm
Displacement
5187 in³
85 l
Note (1)
Contact factory for high altitude configuration.
Note (2)
Tier 4 / EU Stage V option available for regions that require these emissions standards.
Note (3)
Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)
Weights - Approximate
Nominal Rated Payload
327 ton (US)
297 t
Rated Gross Machine Weight
1150000 lb
521631 kg
Chassis Weight
426237 lb
193338 kg
Body Weight
64346 lb
29187 kg
Note (1)
Consult your tire manufacturer for maximum tire load.
Note (2)
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires
Note (3)
Refer to Cat Mining Truck 10/10/20 Overload Policy (AEHQ0250) for maximum gross machine weight limitations.
Note (4)
Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)
Final Drives
Total Reduction Ratio
35:1
AC Drive System
Total Reduction Ratio
35:1
Top Speed - Loaded
37 mile/h
60 km/h
Generator/Alternator
Brushless, engine mounted, dual bearing
Controls
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Wheel Motor
High-torque AC induction, rear axle mounted
Cooling System
Variable speed, hydraulically driven cooling system
Tires
Standard Tires
53/80 R63
Rims
36" x 63"
Note (1)
Quick Change Rims optional.
Note (2)
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Braking System
Service Brakes
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
20378 in²
131473 cm²
Rear - Wet Disc Brake Surface Area
30750 in²
198388 cm²
Standards
ISO 3450:2011
Parking Brake
Four-corner, Multi-disk, Spring applied, Hydraulically Released
Load Brake
Rear service brakes
Dynamic Retarding Power - Continuous
5480 HP
4086 kW
Weight Distributions - Approximate
Front Axle - Empty
49 %
49 %
Rear Axle - Empty
51 %
51 %
Front Axle - Loaded
33 %
33 %
Rear Axle - Loaded
67 %
67 %
Body Hoists
Pump Flow - High Idle (HAA at 1,800 rpm)
221 gal/min
840 l/min
Capacity - HE Body - 100% fill factor
Struck
108-133 m³ (142-175 yd³)
Body Hoists
Pump Flow - High Idle (LAA at 1,960 rpm)
240 gal/min
910 l/min
Capacity - HE Body - 100% fill factor
Heaped (SAE 2:1)
180-222 m³ (236-290 yd³)
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
0.63 in
16 mm
Body Hoists
Relief Valve Setting - Raise
3029 psi
20884 kPa
Body Raise Time - High Idle
24 s
24 s
Capacity - HE Body - 100% fill factor
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
0.35 in
9 mm
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
0.31 in
8 mm
Body Hoists
High Idle Body Lower Time - Float
20 s
20 s
Capacity - HE Body - 100% fill factor
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
0.2 in
5 mm
Body Hoists
Total Cycle Time
44 s
44 s
Capacity - HE Body - 100% fill factor
Note
Contact your local Cat dealer for body recommendations.
Body Hoists
Note (1)
Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages.
Note (2)
Power raise in both stages; power down in both stages possible.
Note (3)
Automatic body-lower modulation reduces impact on frame.
Service Refill Capacities
Fuel Tank
1300 gal (US)
4922 l
Cooling System
211 gal (US)
799 l
Crankcase
82 gal (US)
310 l
Final Drive - Each
67 gal (US)
254 l
Hydraulic Tank
296 gal (US)
1121 l
Hydraulic System - Including Tank
385 gal (US)
1458 l
Diesel Exhaust Fluid Tank
100 gal (US)
378 l
Note (1)
DEF Tank only available for EPA Tier 4 / EU Stage V engine option.
ROPS
ROPS Standards
ROPS (Rollover Protective Structure) meets ISO 3471:1994.
FOPS Standards
FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
Sound
Sound Standards (1)
The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 75 dB(A) for cab offered by Caterpillar when properly installed, maintained, and tested with doors and windows closed.
Sound Standards (2)
Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Steering
Steering Standards
ISO 5010:2007
Note
Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steer Angle
39 °
39 °
Dimensions (Approximate)
Height - Top of ROPS
22.25 ft
6779 mm
Overall Length
50.75 ft
15463.5 mm
Wheel Base
21.83 ft
6644.5 mm
Rear Axle - Tail
15.5 ft
4716 mm
Ground Clearance
2.67 ft
906 mm
Dump Clearance
3 ft
1555 mm
Loading Height - Empty
22.92 ft
6995 mm
Overall Height - Body Raised
48.42 ft
14747 mm
Centerline Front Tire Width
23 ft
7024 mm
Front Axle Clearance
3.17 ft
969 mm
Canopy Width (without optional rock deflectors)
29.75 ft
9068 mm
Outside Body Width
29.75 ft
9062 mm
Inside Body Width
28.08 ft
8560 mm
Front Canopy Height
26.33 ft
8024 mm
Rear Axle - Clearance
3.08 ft
934 mm
Centerline of Rear Dual Tire Width
18.75 ft
5727 mm
Overall Tire Width
28.67 ft
8738 mm
Overall Canopy Width
31.5 ft
9611 mm
Standard Equipment
POWER TRAIN
ELECTRICAL
OPERATOR ENVIRONMENT
FLUIDS
OTHER STANDARD EQUIPMENT