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.
Gross Power - SAE J1995
Standard Gross Power – SAE J1995*
* Contact factory for low HP, lower emissions tier configurations and high altitude configurations.
Power Ratings apply at 1,800 rpm when tested under the specified conditions for the specified standard.
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 99 kPa (29.61 Hg) dry barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
No engine derating required up to 1829 m (6,000 ft) altitude.
Equivalent to U.S. EPA Tier 2 emission standards.
Weights – approximate
Gross Machine Operating Weight
Consult your tire manufacturer for maximum tire load.
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Body weight varies depending on how body is equipped.
Nominal Payload Capacity
Top Speed – Loaded
Gross Machine Operating Weight (GMW)
Minimum Turning Radius
Payload assumes no debris, no extra options or attachments.
Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
Total Reduction Ratio
AC Drive System
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Variable speed, hydraulically driven cooling system
Brushless, engine mounted, dual bearing
Cat AC induction, rear axle mounted
Dynamic Retarding Power – Continuous
Radial Grid Design
Front Wet Disc Brake Surface Area
Rear Wet Disc Brake Surface Area
Weight Distributions – approximate
Front Axle – Loaded
Rear Axle – Loaded
Front Axle – Empty
Rear Axle – Empty
Service Refill Capacities
Final Drives, each
Hydraulic System (includes tank)
Production capabilities of the 794 AC truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
Height to Top of ROPS
Rear Axle to Tail
Loading Height – Empty
Overall Height – Body Raised
Centerline Front Tire Width
Front Axle Clearance
Overall Canopy Width
Outside Body Width
Inside Body Width
Front Canopy Height
Rear Axle Clearance
Centerline Rear Dual Tire Width
Overall Tire Width
Dimensions based on 1936 m3 (253 yd3) HE Body.
FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
ROPS (Rollover Protective Structure) meets ISO 3471:1994.
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.
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.
Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Capacity – HE Body – 100% fill factor
Dump Body Plate Thickness Varies Depending on Body Selection – Canopy Plate
Dump Body Plate Thickness Varies Depending on Body Selection – Floor Plate
Dump Body Plate Thickness Varies Depending on Body Selection – Front Plate
Dump Body Plate Thickness Varies Depending on Body Selection – Side Plate
Heaped (SAE 2:1)
180-222 m3 (236-290 yd3)
108-133 m3 (142-175 yd3)
Contact your local Cat dealer for body recommendations.
C175-16 Tier 2 equivalent emission standards
Diesel engine: – Turbocharging (4)/aftercooled – Air to air after cooler (ATAAC) – Air cleaner (4) with precleaner – Elevated low idle control – Multi-point oil pressure sensing – Pre-lubrication/engine
Braking system: – Brake release towing – Oil-cooled, multi-disc (front and rear) (service, retarding, parking, secondary) – Automatic Retarder Control – Electric dynamic retarding with blended low speed – Extended life brake disc material
Cat AC drive train: – IGBT controlled AC induction motors – AC generator – AC cooled radial grid
Body-up reverse neutralizer
Programmable top speed
Rear axle continuous lube/filtration
Reverse shift inhibitor
Directional shift management
Neutral coast inhibitor
Body-up shift inhibitor
Neutral start inhibitor
Brushless alternator 150 amp charging
Batteries – 12V (8) 90 amp hour
Converter, 12V electrical
Electrical system, 24V, 10, 15, 20 amp fuses and breakers
Battery charge receptacle
Lighting, signals/service: – Halogen lighting package – Backup and hazard lighting – Directional signals (front and rear LED) – Front stair access/service deck – Stop/tail lights (LED) – Engine compartment – Inverter energy LED warning lights
12V DC power supply (1)
Cup holder (2)
Diagnostic connection port
Dome courtesy light
Entertainment radio ready: – 20 amp switched/10 amp memory converter – Speakers, and wiring harnesses
Hydraulic oil temperature
Engine coolant temperature
Electric engine control fault indicator
Electric hour meter
VIMS message center advisor
Storage space behind seat
ROPS cab, insulated/sound suppressed
Seat, operator, air suspension
Seatbelt, operator, three points
Seat, trainer, air suspension
Seatbelt, trainer, two point
Steering wheel, tilt, telescopic
Window, electric powered, operator/passenger
Wiper, windshield, intermittent control and washer
Fixed access ladder
Extended life coolant to –35° C (–30° F)
OTHER STANDARD EQUIPMENT
Traction control system
Auxiliary “buddy” dumping quick connect
Auxiliary steering quick connect (towing)
Rotating component guards
Fast fill fuel system (LH and RH side)
Fuel filter with water separator
Ground level battery lockout
Engine start lockout
ECM cabinet lockout
Ground level engine shut-down
Rock ejectors (chain)
Tow hooks and pin (front)
Tow pin (rear) (empty truck only)
Coolant level gauge (on radiator)
Automatic lubrication system
S·O·S sample points (hydraulic, cooling, engine)
Contact factory for low HP, lower emissions tier configurations and high altitude configurations
Timer, engine shutdown
Body heat exhaust
Gel batteries (8)
High Intensity Discharge (HID) lighting package
LED lighting package
LED work lights
English or Metric gauges
Payload, digital display
Powered access ladder
Fast fill fuel system (front and right)
Rims: Six (6) position and quick change
ANSI and ISO service instructions
Retarding indicator light
Cab pedestal for additional display
Front bumper center tow attachment
Brake wear indicator tool
Coolant –50° C (–58° F)
HE dump body rock box liner
HE dump body canopy rock deflectors
Heated mirrors (LH and RH)
Rear axle oil cooler
Standard accumulators and Australia/Canada certified accumulators