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794 AC (Tier 4 Final / Stage V)Non-Current

794 AC - 2019, Tier 4 Final, Stage V

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.

Specifications

Units: 
Nominal Rated Payload
Engine Model Cat® C175-16
Gross Power - SAE J1995
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Benefits & Features

High Performance Engine

The Cat® C175-16 engine offers reliability and durability with proven performance in the large mining truck application. The engine can provide multiple ratings compliant with U.S. EPA Tier 4 Final and EU Stage V.

Focus on Safety

Wide access stairways, service platforms for the engine, traction alternator and control cabinet, four corner wet disc brakes, and industry leading retarding.

Enhanced Serviceability

Open engine and traction alternator access, simplified hydraulics, grouped electrical and hydraulic routing, ground level filters and service points.

  April 6, 2024

Specifications

Units: 
Engine
Engine Model Cat® C175-16
Gross Power - SAE J1995
Standard Gross Power - SAE J1995
Optional Gross Power - SAE J1995
Rated Speed
Net Power - SAE J1349
Stroke
Emissions Rating Tier 4 Final/Stage V
Bore
Displacement
Note (1) Contact factory for high altitude configuration.
Weights - Approximate
Nominal Rated Payload
Rated Gross Machine Weight
Chassis Weight
Body Weight
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.
Operating Specifications
Top Speed - Loaded
Steer Angle
Minimum Turning Radius
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.
Final Drives
Total Reduction Ratio 35:01:00
AC Drive System
Generator/Alternator Brushless, engine mounted, dual bearing
Controls IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Wheel Motor Cat AC induction, rear axle mounted
Cooling System Variable speed, hydraulically driven cooling system
Tires
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.
Braking System
Front Wet Disc Brake Surface Area
Rear - Wet Disc Brake Surface Area
Standards ISO 3450:2011
Electric Retarding Radial Grid Design
Dynamic Retarding Power - Continuous
Weight Distributions - Approximate
Front Axle - Empty
Rear Axle - Empty
Front Axle - Loaded
Rear Axle - Loaded
Body Hoists
Pump Flow - High Idle (LAA at 1,960 rpm)
Pump Flow - High Idle (HAA at 1,800 rpm)
Relief Valve Setting - Raise
Body Raise Time - High Idle
High Idle Body Lower Time - Float
Total Cycle Time
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.
Capacity - HE Body - 100% fill factor
Struck 108-133 m³ (142-175 yd³)
Heaped (SAE 2:1) 180-222 m³ (236-290 yd³)
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
Note Contact your local Cat dealer for body recommendations.
Service Refill Capacities
Fuel Tank
Cooling System
Crankcase
Final Drive - Each
Hydraulic Tank
Hydraulic System - Including Tank
DEF Tank
ROPS
ROPS Standards ROPS (Rollover Protective Structure) meets ISO 3471:1994.
FOPS Standards FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
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
Steering Standards ISO 5010:2007
Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Dimensions (Approximate)
Height - Top of ROPS
Overall Length
Wheel Base
Rear Axle - Tail
Ground Clearance
Dump Clearance
Loading Height - Empty
Overall Height - Body Raised
Centerline Front Tire Width
Front Axle Clearance
Outside Body Width
Inside Body Width
Front Canopy Height
Rear Axle - Clearance
Centerline of Rear Dual Tire Width
Overall Tire Width
Overall Canopy Width

Benefits & Features

High Performance Engine

The Cat® C175-16 engine offers reliability and durability with proven performance in the large mining truck application. The engine can provide multiple ratings compliant with U.S. EPA Tier 4 Final and EU Stage V.

Focus on Safety

Wide access stairways, service platforms for the engine, traction alternator and control cabinet, four corner wet disc brakes, and industry leading retarding.

Enhanced Serviceability

Open engine and traction alternator access, simplified hydraulics, grouped electrical and hydraulic routing, ground level filters and service points.

Reliable AC Electric Drive System

The Cat AC electric drive power train is Caterpillar designed, integrated and supported.

Comfortable Cab

Operators find the spacious and quiet cab offers excellent visibility with intuitive, easy to learn controls.

Truck Body Options

Caterpillar designed and built bodies provide optimal performance and reliability.

Standard Equipment

  • POWER TRAIN
    • C175-16 meets Tier 4 Final/Stage V emission standards
    • Diesel engine:<br>– Turbocharging (4)/aftercooled<br>– Air to air after cooler (ATAAC)<br>– Air cleaner (4) with precleaner<br>– Elevated low idle control<br>– Multi-point oil pressure sensing<br>– Pre-lubrication/engine
    • Braking system:<br>– Brake release towing<br>– Oil-cooled, multi-disc (front and rear) (service, retarding, parking, secondary)<br>– Automatic Retarder Control<br>– Electric dynamic retarding with blended low speed<br>– Extended life brake disc material
    • Cat AC drive train:<br>– IGBT controlled AC induction motors<br>– AC generator<br>– 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 225 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:<br>– Halogen lighting package<br>– Backup and hazard lighting<br>– Directional signals (front and rear LED)<br>– Front stair access/service deck<br>– Stop/tail lights (LED)<br>– Engine compartment<br>– 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:<br>– 20 amp switched/10 amp memory converter<br>– Speakers, and wiring harnesses
    • Gauges/indicators
    • Gauge panel: <br>– Hydraulic oil temperature <br>– Engine coolant temperature <br>– Fuel level <br>– DEF level <br>– Electric engine control fault indicator <br>– Electric hour meter <br>– Speedometer <br>– Tachometer <br>– 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
    • Fast fill DEF system (RH side)
    • 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)
    • Body canopy side extensions (RH and LH side)
    • Cab pedestal for additional equipment mounting
    • Product Link Elite (PLE) VIMS system

Optional Equipment

  • OPTIONAL EQUIPMENT
    • Contact factory for low HP
    • Throttle lock
    • Timer, engine shutdown
    • 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
    • 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<br>– 1543 kg/m³ (2,600 lb/yd³) density body<br>– 1721 kg/m³ (2,900 lb/yd³) density body<br>– 1839 kg/m³ (3,100 lb/yd³) density body<br>– 2076 kg/m³ (3,500 lb/yd³) density body
    • 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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