Mining Trucks:

794 AC Mining Truck

Nominal Payload Capacity
320 tons
Engine Model
Cat® C175-16
Gross Power - SAE J1995
3500 hp
Top Speed – Loaded
37 mph

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.



Product Specs

  • Operating Specifications

  • Nominal Payload Capacity
    320tons
    Top Speed – Loaded
    37mph
    Steer Angle
    39Degrees
    Nominal Payload Capacity
    320ton (US)
    Steer Angle
    39°
    Top Speed - Loaded
    37mile/h
    Note (1)
    Payload assumes no debris, no extra options or attachments.
    Note (2)
    Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
    Gross Machine Operating Weight (GMW)
    1150000lb
    Minimum Turning Radius
    53ft
    Note
    Payload assumes no debris, no extra options or attachments.
    Note
    Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
  • Engine

  • Engine Model
    Cat® C175-16
    Gross Power - SAE J1995
    3500hp
    Bore
    6.9in
    Stroke
    8.7in
    Displacement
    5187in3
    Note
    * Contact factory for low HP, lower emissions tier configurations and high altitude configurations.
    Engine Model
    Cat® C175-16
    Gross Power - SAE J1995
    3500HP
    Bore
    6.9in
    Stroke
    8.7in
    Displacement
    5187in³
    Note (1)
    Power ratings apply at 1,800 rpm when tested under the specified conditions for the specified standard.
    Emissions
    Equivalent to U.S. EPA Tier 2 emission standards.
    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).
    Note (3)
    Optional 2,750 hp and 3,100 hp ratings. Optional emission ratings. Contact factory for available offerings.
    Note (4)
    High altitude configurations available for altitudes up to 4267 m (14,000 ft) without derate.
    Standard Gross Power - SAE J1995*
    3500HP
    Note
    Power Ratings apply at 1,800 rpm when tested under the specified conditions for the specified standard.
    Note
    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).
    Note
    No engine derating required up to 1829 m (6,000 ft) altitude.
    Emissions
    Equivalent to U.S. EPA Tier 2 emission standards.
    Standard Gross Power - SAE J1995
    3500HP
  • Weights – approximate

  • Chassis Weight
    417187lb
    Body Weight
    62140lb
  • Final Drives

  • Total Reduction Ratio
    35:1
    Total Reduction Ratio
    35 to 1
  • Service Refill Capacities

  • Cooling System
    211gal
    Crankcase
    82gal
    Final Drives, each
    67gal
    Fuel Tank
    1300gal
    Hydraulic System (includes tank)
    385gal
    Hydraulic Tank
    296gal
    Cooling System
    211gal (US)
    Crankcase
    82gal (US)
    Final Drive - Each
    67gal (US)
    Fuel Tank
    1300gal (US)
    Hydraulic System - Including Tank
    385gal (US)
    Hydraulic Tank
    296gal (US)
  • Dimensions (Approximate)

  • Height to Top of ROPS
    22.25ft
    Overall Length
    50.75ft
    Wheelbase
    21.83ft
    Rear Axle to Tail
    15.50ft
    Ground Clearance
    2.67ft
    Dump Clearance
    3.00ft
    Loading Height – Empty
    22.92ft
    Overall Height – Body Raised
    48.42ft
    Centerline Front Tire Width
    23.00ft
    Centerline Front Tire Width
    23ft
    Dump Clearance
    3ft
    Ground Clearance
    2.67ft
    Height - Top of ROPS
    22.25ft
    Loading Height - Empty
    22.92ft
    Overall Height - Body Raised
    48.42ft
    Overall Length
    50.75ft
    Rear Axle - Tail
    15.5ft
    Wheel Base
    21.83ft
    Centerline of Rear Dual Tire Width
    18.75ft
    Front Canopy Height
    26.33ft
    Inside Body Width
    28.08ft
    Note
    Dimensions based on 193.6 m³ (253 yd³) HE Body.
    Outside Body Width
    29.75ft
    Overall Tire Width
    28.67ft
    Rear Axle - Clearance
    3.08ft
    Front Axle Clearance
    3.17ft
    Canopy Width (without optional rock deflectors)
    29.75ft
    Overall Canopy Width
    32ft
    Outside Body Width
    29.75ft
    Inside Body Width
    28.08ft
    Front Canopy Height
    26.33ft
    Rear Axle Clearance
    3.08ft
    Centerline Rear Dual Tire Width
    18.75ft
    Overall Tire Width
    28.67ft
    Note
    Dimensions based on 1936 m3 (253 yd3) HE Body.
  • Weight Distributions – approximate

  • Front Axle – Loaded
    33%
    Rear Axle – Loaded
    67%
    Front Axle – Empty
    49%
    Rear Axle – Empty
    51%
  • Sound

  • Sound Standard
    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 Standard
    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.
    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.
  • ROPS

  • FOPS Standards
    FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
    ROPS Standards
    ROPS (Rollover Protective Structure) meets ISO 3471:1994.
    FOPS Standards
    FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
    ROPS Standards
    ROPS (Rollover Protective Structure) meets ISO 3471:1994.
  • Steering

  • Steering Standards
    ISO 5010:2007
    Steering Standards
    ISO 5010:2007
    Note
    Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
    Note
    Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
  • Tires

  • Standard Tires
    53/80 R63.
    Standard Tires
    53/80 R63.
    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.
    Note (2)
    Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
    Standard Tires
    53/80 R63.
    Note
    Production capabilities of the 794 AC truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
    Note
    Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
  • Weights - Approximate

  • Body Weight
    62140lb
    Chassis Weight
    417187lb
    Gross Machine Operating Weight
    1150000lb
    Note (1)
    Consult your tire manufacturer for maximum tire load.
    Note (2)
    Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
    Note (3)
    Body weight varies depending on how body is equipped.
  • Weight Distributions - Approximate

  • Front Axle - Empty
    49%
    Front Axle - Loaded
    33%
    Rear Axle - Empty
    51%
    Rear Axle - Loaded
    67%
  • Braking System

  • Dynamic Retarding Power - Continuous
    5480HP
    Electric Retarding
    Radial Grid Design
    Front Wet Disc Brake Surface Area
    20378in²
    Rear - Wet Disc Brake Surface Area
    30750in²
    Standards
    ISO 3450:2011
  • Capacity - HE Body - 100% fill factor

  • Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
    0.2in
    Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
    0.63in
    Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
    0.35in
    Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
    0.31in
    Heaped (SAE 2:1)
    180-222 m³ (236-290 yd³)
    Struck
    108-133 m³ (142-175 yd³)
    Note
    Contact your local Cat dealer for body recommendations.
  • 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
    Wheel Motor
    Cat AC induction, rear axle mounted

Equipment

  • Power Train
    • C175-16 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
  • Electrical
    • Alarm, backup
    • 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
  • Operator Environment
    • Air conditioner
    • 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
    • Gauges/indicators
    • Gauge panel:
      • Hydraulic oil temperature
      • Engine coolant temperature
      • Fuel level
      • Electric engine control fault indicator
      • Electric hour meter
      • Speedometer
      • Tachometer
      • VIMS message center advisor
    • Heater/defroster
    • 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
    • Tinted glass
    • Window, electric powered, operator/passenger
    • Wiper, windshield, intermittent control and washer
    • Fixed access ladder
  • Fluids
    • 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
    • Machine 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)
    • Mudflaps
    • Coolant level gauge (on radiator)
    • Automatic lubrication system
    • S·O·S sample points (hydraulic, cooling, engine)
  • Optional Equipment
    • 2050 kW (2,750 hp) and 2312 kW (3,100 hp) options available
    • HAA arrangements available
    • Throttle lock
    • Timer, engine shutdown
    • Body heat exhaust
    • Gel batteries (8)
    • High Intensity Discharge (HID) lighting package
    • LED lighting package
    • Fog lights
    • LED work lights
    • English or Metric gauges
    • Payload, digital display
    • Powered access ladder
    • Inverter platform
    • 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
    • Radio/CD player
    • 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
    • Hot start, for cold weather
    • Diesel fuel warmer
    • Wheel chocks (ANSI or ISO)
    • Portable fire extinguisher
    • Murphy gauge
    • High efficiency dump body
      – 1543 kg/m³ (2,600 lb/yd³) density body
      – 1721 kg/m³ (2,900 lb/yd³) density body
      – 1839 kg/m³ (3,100 lb/yd³) density body
      – 2076 kg/m³ (3,500 lb/yd³) density body
    • Canopy extension
    • Body rock box
    • Side profile lighting
    • Central service
    • Language monitors – English, Spanish, Italian, Portuguese, Dutch, Norwegian, Swedish, Estonian, Latin, Lithuanian, Slovakian, Slovenian, Greek, Romanian, Russian, Polish, Czech, Hungarian, Icelandic, Finnish, Danish, Thai, Indonesian, Vietnam, Malaysian, Chinese

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