Off-Highway Trucks

794 AC

Overview

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.

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    • Final Drives
      Total Reduction Ratio 35 to 1
    • 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 24 s
      High Idle Body Lower Time - Float 20 s
      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) 840 l/min
      Pump Flow - High Idle (LAA at 1,960 rpm) 910 l/min
      Relief Valve Setting - Raise 20884 kPa
      Total Cycle Time 44 s
    • Engine
      Bore 175 mm
      Displacement 85 l
      Engine Model Cat® C175-16
      Gross Power - SAE J1995 2610 kW
      Net Power - SAE J1349 2539 kW
      Note (1) Contact factory for high altitude configuration.
      Standard Gross Power - SAE J1995 2610 kW
      Stroke 220 mm
    • Operating Specifications
      Gross Machine Operating Weight (GMW) 521631 kg
      Minimum Turning Radius 16.2 m
      Nominal Payload Capacity 291 t
      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.
      Steer Angle 39 °
      Top Speed - Loaded 60 km/h
    • 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.
    • Tires
      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.
    • Braking System
      Dynamic Retarding Power - Continuous 4086 kW
      Electric Retarding Radial Grid Design
      Front Wet Disc Brake Surface Area 131473 cm²
      Rear - Wet Disc Brake Surface Area 198388 cm²
      Standards ISO 3450:2011
    • Steering
      Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
      Steering Standards ISO 5010:2007
    • Dimensions (Approximate)
      Canopy Width (without optional rock deflectors) 9068 mm
      Centerline Front Tire Width 7024 mm
      Centerline of Rear Dual Tire Width 5727 mm
      Dump Clearance 1555 mm
      Front Axle Clearance 969 mm
      Front Canopy Height 8024 mm
      Ground Clearance 906 mm
      Height - Top of ROPS 6779 mm
      Inside Body Width 8560 mm
      Loading Height - Empty 6995 mm
      Note Dimensions based on 193.6 m³ (253 yd³) HE Body.
      Outside Body Width 9062 mm
      Overall Height - Body Raised 14747 mm
      Overall Length 15463.5 mm
      Overall Tire Width 8738 mm
      Rear Axle - Clearance 934 mm
      Rear Axle - Tail 4716 mm
      Wheel Base 6644.5 mm
    • Weights - Approximate
      Body Weight 28186 kg
      Chassis Weight 189233 kg
      Gross Machine Operating Weight 521631 kg
      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.
    • Capacity - HE Body - 100% fill factor
      Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate 5 mm
      Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate 16 mm
      Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate 9 mm
      Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate 8 mm
      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)
    • ROPS
      FOPS Standards FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
      ROPS Standards ROPS (Rollover Protective Structure) meets ISO 3471:1994.
    • 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
    • Service Refill Capacities
      Cooling System 799 l
      Crankcase 310 l
      Final Drive - Each 254 l
      Fuel Tank 4922 l
      Hydraulic System - Including Tank 1458 l
      Hydraulic Tank 1121 l

    Product Downloads

    794 AC Product Brochure

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