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794 AC Mining Truck

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 297tonnes (327tons) 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.

360 View not available for this product.

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

PRICE (USD)
Call 800-637-5000 for rate information

Operating Specifications

  • Nominal Payload Capacity
    320 tons
  • Top Speed – Loaded
    37 mph
  • Steer Angle
    39 Degrees
  • Gross Machine Operating Weight (GMW)
    1150000 lb
  • Minimum Turning Radius
    53 ft
  • 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.
  • Nominal Payload Capacity
    327 ton (US)
  • Steer Angle
    39 °
  • Top Speed - Loaded
    37 mile/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.

Engine

  • Engine Model
    Cat® C175-16
  • Gross Power - SAE J1995
    3500 hp
  • Bore
    6.9 in
  • Stroke
    8.7 in
  • Displacement
    5187 in3
  • Standard Gross Power - SAE J1995*
    3500 HP
  • Optional Gross Power - SAE J1995
    3100 HP
  • 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.
  • Rated Speed
    1800 r/min
  • Engine Model
    Cat® C175-16
  • Gross Power - SAE J1995
    3500 HP
  • Bore
    6.9 in
  • Stroke
    8.7 in
  • Displacement
    5187 in³
  • Note (1)
    Contact factory for high altitude configuration.
  • Emissions
    Equivalent to U.S. EPA Tier 2 emission standards.
  • 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)
  • Standard Gross Power - SAE J1995
    3500 HP
  • Note (4)
    High altitude configurations available for altitudes up to 4267 m (14,000 ft) without derate.
  • Net Power - SAE J1349
    3405 HP

Weights – approximate

  • Chassis Weight
    417187 lb
  • Body Weight
    62140 lb

Final Drives

  • Total Reduction Ratio
    35:1
  • Total Reduction Ratio
    35:1

Service Refill Capacities

  • Cooling System
    211 gal
  • Crankcase
    82 gal
  • Final Drives, each
    67 gal
  • Fuel Tank
    1300 gal
  • Hydraulic System (includes tank)
    385 gal
  • Hydraulic Tank
    296 gal
  • Cooling System
    211 gal (US)
  • Crankcase
    82 gal (US)
  • Final Drive - Each
    67 gal (US)
  • Fuel Tank
    1300 gal (US)
  • Hydraulic System - Including Tank
    385 gal (US)
  • Hydraulic Tank
    296 gal (US)
  • Diesel Exhaust Fluid Tank
    100 gal (US)
  • Note (1)
    DEF Tank only available for EPA Tier 4 / EU Stage V engine option.

Dimensions (Approximate)

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

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
  • Note
    Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
  • Steering Standards
    ISO 5010:2007
  • Note
    Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
  • Steer Angle
    39 °

Tires

  • 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.
  • Standard Tires
    53/80 R63
  • 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.
  • Standard Tires
    53/80 R63.

Weights - Approximate

  • Rated Gross Machine Weight
    1150000 lb
  • 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.
  • Body Weight
    64346 lb
  • Chassis Weight
    426237 lb

Braking System

  • Dynamic Retarding Power - Continuous
    5480 HP
  • Electric Retarding
    Radial Grid Design
  • Front Wet Disc Brake Surface Area
    20378 in²
  • Rear - Wet Disc Brake Surface Area
    30750 in²
  • Standards
    ISO 3450:2011
  • Service Brakes
    Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
  • Parking Brake
    Four-corner, Multi-disc, Spring applied, Hydraulically Released

Capacity - HE Body - 100% fill factor

  • Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
    0.2 in
  • Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
    0.63 in
  • Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
    0.35 in
  • Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
    0.31 in
  • 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
    High-torque AC induction, rear axle mounted

Body Hoists

  • Body Raise Time - High Idle
    24 s
  • Note (1)
    Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages.
  • High Idle Body Lower Time - Float
    20 s
  • Note (2)
    Power raise in both stages; power down in both stages possible.
  • Note (3)
    Automatic body-lower modulation reduces impact on frame.
  • Relief Valve Setting - Raise
    3029 psi

Weight Distributions - Approximate

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

Safety

Performance

Integration

Sustainability

Operating Cost

Technology Solutions

Truck Body Systems

Serviceability

Standard 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
      – DEF level (Tier 4 / Stage V only)
      – 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)
    • Fast fill DEF system (RH side) - Tier 4 / Stage V only
    • 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
    • SOS℠ sample points (hydraulic, cooling, engine)

Optional Equipment:

  • 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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