Nominal Payload Capacity320 ton (US) (291 t)
Engine ModelCat® C175-16
Gross Power - SAE J19953500 HP (2610 kW)
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.


-Nominal Payload Capacity320 ton (US) (291 t)
-Engine ModelCat® C175-16
-Gross Power - SAE J19953500 HP (2610 kW)
-Bore6.9 in (175 mm)
-Stroke8.7 in (220 mm)
-Displacement5187 in³ (85 l)
-Steer Angle39 ° (39 °)
-Total Reduction Ratio35 to 1
-ROPS StandardsROPS (Rollover Protective Structure) meets ISO 3471:1994.
-FOPS StandardsFOPS (Falling Object Protective Structure) meets ISO 3449:1992.
-Top Speed - Loaded37 mile/h (60 km/h)
-Cooling System211 gal (US) (799 l)
-Crankcase82 gal (US) (310 l)
-Final Drive - Each67 gal (US) (254 l)
-Note (2)Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
-Fuel Tank1300 gal (US) (4922 l)
-Note (4)High altitude configurations available for altitudes up to 4267 m (14,000 ft) without derate.
-Note (3)Optional 2,750 hp and 3,100 hp ratings. Optional emission ratings. Contact factory for available offerings.
-Note (2)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).
-Hydraulic System - Including Tank385 gal (US) (1458 l)
-Standard Gross Power - SAE J19953500 HP (2610 kW)
-Minimum Turning Radius53 ft (16.2 m)
-Gross Machine Operating Weight (GMW)1150000 lb (521631 kg)
-Note (1)Payload assumes no debris, no extra options or attachments.
-NoteGross Machine Operating Weight is 521 631 kg (1,150,000 lb).
-Chassis Weight417187 lb (189233 kg)
-Body Weight62140 lb (28186 kg)
-Rear Axle - Loaded67 % (67 %)
-Gross Machine Operating Weight1150000 lb (521631 kg)
-Note (1)Consult your tire manufacturer for maximum tire load.
-Note (3)Body weight varies depending on how body is equipped.
-Note (2)Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
-Rear Axle - Empty51 % (51 %)
-Front Axle - Loaded33 % (33 %)
-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.
-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.
-Note (1)Power ratings apply at 1,800 rpm when tested under the specified conditions for the specified standard.
-Note (1)Production capabilities of the 794 AC truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
-Front Axle - Empty49 % (49 %)
-Note (2)Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
-Hydraulic Tank296 gal (US) (1121 l)
-Overall Tire Width28.67 ft (8738 mm)
-Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate0.63 in (16 mm)
-Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate0.2 in (5 mm)
-StandardsISO 3450:2011
-Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate0.35 in (9 mm)
-Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate0.31 in (8 mm)
-NoteContact your local Cat dealer for body recommendations.
-Heaped (SAE 2:1)180-222 m³ (236-290 yd³)
-Rear - Wet Disc Brake Surface Area30750 in² (198388 cm²)
-Front Wet Disc Brake Surface Area20378 in² (131473 cm²)
-Cooling SystemVariable speed, hydraulically driven cooling system
-ControlsIGBT Inverter Technology, air cooled, pressurized cabinet with filtration
-Generator/AlternatorBrushless, engine mounted, dual bearing
-Wheel MotorCat AC induction, rear axle mounted
-Electric RetardingRadial Grid Design
-Dynamic Retarding Power - Continuous5480 HP (4086 kW)
-Wheel Base21.83 ft (6644.5 mm)
-Struck108-133 m³ (142-175 yd³)
-Outside Body Width29.75 ft (9062 mm)
-NoteDimensions based on 193.6 m³ (253 yd³) HE Body.
-Loading Height - Empty22.92 ft (6995 mm)
-Overall Height - Body Raised48.42 ft (14747 mm)
-Overall Length50.75 ft (15463.5 mm)
-Rear Axle - Tail15.5 ft (4716 mm)
-Rear Axle - Clearance3.08 ft (934 mm)
-Canopy Width (without optional rock deflectors)29.75 ft (9068 mm)
-Inside Body Width28.08 ft (8560 mm)
-Centerline of Rear Dual Tire Width18.75 ft (5727 mm)
-Centerline Front Tire Width23 ft (7024 mm)
-Height - Top of ROPS22.25 ft (6779 mm)
-Dump Clearance3 ft (1555 mm)
-Front Axle Clearance3.17 ft (969 mm)
-Ground Clearance2.67 ft (906 mm)
-Front Canopy Height26.33 ft (8024 mm)
-Steering StandardsISO 5010:2007
-Standard Tires53/80 R63.

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