794 AC Mining Truck

794 AC Mining Truck

The Cat® 794 AC electric drive truck delivers a full 327-ton (297-tonne) payload, increased speed on grade, 34% more retarding power than competitive trucks, superior braking performance and easier maintenance. The result? High availability, more confident operators and improved productivity. The 794 features a proven electric drive powertrain that is Caterpillar designed, integrated and supported. Validated on sites around the world, the 794 has proven its performance in a variety of applications. It hauls more every load, every cycle and every shift. And it delivers a better bottom line to the most important mine in the world: yours.

  • Nominal Rated Payload 327 ton (US)

  • Rated Gross Machine Weight 1150000 lb

  • Gross Power - SAE J1995 3500 hp

  • Standard Gross Power - SAE J1995 3500 hp

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Product Specifications

Specifications

Weights - Approximate

  • Body Weight 64346lb

  • Chassis Weight 426237lb

  • Nominal Rated Payload 327ton (US)

  • 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.

  • Note (4) Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)

  • Rated Gross Machine Weight 1150000lb

Engine

  • Bore 6.9in

  • Displacement 5187in³

  • Emissions Rating Fuel Optimized

  • Engine Model Cat® C175-16

  • Gross Power - SAE J1995 3500hp

  • Net Power - SAE J1349 3405hp

  • Note (1) Contact factory for high altitude configuration.

  • 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)

  • Optional Gross Power - SAE J1995 3100hp

  • Optional Gross Power - SAE J1995 (Option 2) 2750hp

  • Rated Speed 1800r/min

  • Standard Gross Power - SAE J1995 3500hp

  • Stroke 8.7in

Final Drives

  • Total Reduction Ratio 35:01:00

Tires

  • 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.

  • Rims 36" x 63"

  • Standard Tires 53/80 R63

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

  • Top Speed - Loaded 37mile/h

  • Total Reduction Ratio 35:01:00

  • Wheel Motor High-torque AC induction, rear axle mounted

Braking System

  • Dynamic Retarding Power - Continuous 5480hp

  • Front Wet Disc Brake Surface Area 20378in²

  • Load Brake Rear service brakes

  • Parking Brake Four-corner, Multi-disc, Spring applied, Hydraulically Released

  • Rear - Wet Disc Brake Surface Area 30750in²

  • Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated

  • Standards ISO 3450:2011

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 24s

  • High Idle Body Lower Time - Float 20s

  • 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) 221gal/min

  • Pump Flow - High Idle (LAA at 1,960 rpm) 240gal/min

  • Relief Valve Setting - Raise 3029psi

  • Total Cycle Time 44s

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)

  • Note Contact your local Cat dealer for body recommendations.

  • Struck 108-133 m³ (142-175 yd³)

Service Refill Capacities

  • Cooling System 211gal (US)

  • Crankcase 82gal (US)

  • Diesel Exhaust Fluid Tank 100gal (US)

  • Final Drive - Each 67gal (US)

  • Fuel Tank 1300gal (US)

  • Hydraulic System - Including Tank 385gal (US)

  • Hydraulic Tank 296gal (US)

  • Note (1) DEF Tank only available for EPA Tier 4 / EU Stage V engine option.

Dimensions (Approximate)

  • Canopy Width (without optional rock deflectors) 29.75ft

  • Centerline Front Tire Width 23ft

  • Centerline of Rear Dual Tire Width 18.75ft

  • Dump Clearance 3ft

  • Front Axle Clearance 3.17ft

  • Front Canopy Height 26.33ft

  • Ground Clearance 2.67ft

  • Height - Top of ROPS 22.25ft

  • Inside Body Width 28.08ft

  • Loading Height - Empty 22.92ft

  • Outside Body Width 29.75ft

  • Overall Canopy Width 31.5ft

  • Overall Height - Body Raised 48.42ft

  • Overall Length 50.75ft

  • Overall Tire Width 28.67ft

  • Rear Axle - Clearance 3.08ft

  • Rear Axle - Tail 15.5ft

  • Wheel Base 21.83ft

Cab

  • FOPS Standards Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer.

  • ROPS Standards (1) Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.

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.

Steering

  • Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).

  • Steer Angle 39°

  • Steering Standards ISO 5010:2007

Features

Equipment

Standard Equipment

  • 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

  • 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

  • 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

  • Extended life coolant to –35° C (–30° F)

  • 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

  • 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