Mining Trucks
Cat 794 AC
Payload
291t
Body Capacity
180-222m³
Loaded Speed
60km/hr

Designed and manufactured by Caterpillar, the 794 AC electric drive truck is single sourced from one manufacturer and supported by the best dealer network. The 794 AC is designed to:
- Deliver a true 291 tonnes (320 tons) capacity
- Deliver reliability and uptime
- Deliver easy serviceability
- Deliver low owning and operating cost
- Deliver operator confidence with four corner wet disc blended service brakes and traction control
The 794 AC is built to deliver to your bottom line.
Specifications
Payload
291t
Body Capacity
180-222m³
Loaded Speed
60km/hr
Operating Weight
521,631kg
Power
2,610kW (3,548hp)
Specifications
Engine
Bore
175mm
Displacement
85l
Emissions Rating
Fuel Optimized
Engine Model
Cat® C175-16
Gross Power - SAE J1995
2610kW
Net Power - SAE J1349
2539kW
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)
Optional Gross Power - SAE J1995
2312kW
Optional Gross Power - SAE J1995 (Option 2)
2051kW
Rated Speed
1800r/min
Standard Gross Power - SAE J1995
2610kW
Stroke
220mm
Weights - Approximate
Body Weight
29187kg
Chassis Weight
193338kg
Nominal Rated Payload
297t
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 (AEXQ0250) for maximum gross machine weight limitations.
Note (4)
Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)
Rated Gross Machine Weight
521631kg
Final Drives
Total Reduction Ratio
35:1
AC Drive System
Controls
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Cooling System
Variable speed, hydraulically driven cooling system
Generator/Alternator
Brushless, engine mounted, dual bearing
Top Speed - Loaded
60km/h
Total Reduction Ratio
35:1
Wheel Motor
High-torque AC induction, rear axle mounted
Tires
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.
Rims
36" x 63"
Standard Tires
53/80 R63
Braking System
Dynamic Retarding Power - Continuous
4086kW
Front Wet Disc Brake Surface Area
131473cm²
Load Brake
Rear service brakes
Parking Brake
Four-corner, Multi-disc, Spring applied, Hydraulically Released
Rear - Wet Disc Brake Surface Area
198388cm²
Service Brakes
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Standards
ISO 3450:2011
Weight Distributions - Approximate
Front Axle - Empty
49%
Front Axle - Loaded
33%
Rear Axle - Empty
51%
Rear Axle - Loaded
67%
Body Hoists
Body Raise Time - High Idle
24s
High Idle Body Lower Time - Float
20s
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.
Pump Flow - High Idle (HAA at 1,800 rpm)
840l/min
Pump Flow - High Idle (LAA at 1,960 rpm)
910l/min
Relief Valve Setting - Raise
20884kPa
Total Cycle Time
44s
Capacity - HE Body - 100% fill factor
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
5mm
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
16mm
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
9mm
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
8mm
Heaped (SAE 2:1)
180-222 m³ (236-290 yd³)
Note
Contact your local Cat dealer for body recommendations.
Struck
108-133 m³ (142-175 yd³)
Service Refill Capacities
Cooling System
799l
Crankcase
310l
Diesel Exhaust Fluid Tank
378l
Final Drive - Each
254l
Fuel Tank
4922l
Hydraulic System - Including Tank
1458l
Hydraulic Tank
1121l
Note (1)
DEF Tank only available for EPA Tier 4 / EU Stage V engine option.
ROPS
FOPS Standards
FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
ROPS Standards
ROPS (Rollover Protective Structure) meets ISO 3471:1994.
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
Note
Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steer Angle
39°
Steering Standards
ISO 5010:2007
Dimensions (Approximate)
Canopy Width (without optional rock deflectors)
9068mm
Centerline Front Tire Width
7024mm
Centerline of Rear Dual Tire Width
5727mm
Dump Clearance
1555mm
Front Axle Clearance
969mm
Front Canopy Height
8024mm
Ground Clearance
906mm
Height - Top of ROPS
6779mm
Inside Body Width
8560mm
Loading Height - Empty
6995mm
Outside Body Width
9062mm
Overall Canopy Width
9611mm
Overall Height - Body Raised
14747mm
Overall Length
15463.5mm
Overall Tire Width
8738mm
Rear Axle - Clearance
934mm
Rear Axle - Tail
4716mm
Wheel Base
6644.5mm
GALLERY

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