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794 AC Mining Truck

Designed and manufactured by Caterpillar, the794 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.

Nominal Payload Capacity
320 ton (US)
Engine Model
Cat® C175-16
Gross Power - SAE J1995
3500 HP
Top Speed - Loaded
37 mile/h

Operating Specifications

Nominal Payload Capacity
320ton (US)
Top Speed - Loaded
37mile/h
Steer Angle
39°
Minimum Turning Radius
53ft
Gross Machine Operating Weight (GMW)
1150000lb

Engine

Engine Model
Cat® C175-16
Gross Power - SAE J1995
3500HP
Bore
6.9in
Stroke
8.7in
Displacement
5187in³
Standard Gross Power - SAE J1995
3500HP
Optional Gross Power - SAE J1995
2750HP

Weights - Approximate

Chassis Weight
417187lb
Body Weight
62140lb
Rated Gross Machine Weight
1150000lb

Final Drives

Total Reduction Ratio
35:01:00

AC Drive System

Cooling System
Variable speed, hydraulically driven cooling system
Controls
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Generator/Alternator
Brushless, engine mounted, dual bearing
Wheel Motor
Cat AC induction, rear axle mounted

Braking System

Standards J-ASO 3450 JAN88
ISO 3450:2011
Rear - Wet Disc Brake Surface Area
30750in²
Electric Retarding
Radial Grid Design
Front Wet Disc Brake Surface Area
20378in²
Dynamic Retarding Power - Continuous
5480HP

Weight Distributions - Approximate

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

Service Refill Capacities

Cooling System
211gal (US)
Hydraulic Tank
296gal (US)
Crankcase
82gal (US)
Final Drive - Each
67gal (US)
Fuel Tank
1300gal (US)
Hydraulic System - Including Tank
385gal (US)

Dimensions

Body Target Length
33.5ft
Body Target Width
28.08ft
Static Loaded Ground Clearance at Front
2.66ft
Truck Width over Deflectors
29.83ft
Wheel Base
21.83ft
Width - Over Rear Tires
28.67ft
Minimum Turning Radius
53ft
Superstructure Width
28.33ft
Loading Height - Standard Body
22.02ft
Overall Height - Body Raised
47.92ft

ROPS

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

Sound

Sound Standards (1)
The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 75 dB for cab.
Sound Standards (2)
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Capacity - MT Family HE - 100% fill factor

Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
0.31in
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
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 - Front Plate
0.35in

Steering

Steering Standards
ISO 5010:2007

Tires

Standard Tires
53/80 R63

Standard Equipment:

  • Electrical
    • Alarm, backup
    • Brushless alternator, 270 ampere charging
    • Batteries, 12V (8) 210 amp hour
    • Converter, 12V electrical
    • Electrical system, 14V, 10, 15, 20 amp fuses and breakers
    • Lighting, signals/service: - Backup hazard lighting - Directional signals (front and rear LED) - Front stair access/service deck - Stop/tail lights (LED) - Weigh system with lights - Inverter energy LED warning lights
  • Operator Environment
    • Air conditioner with climate control
    • 12V DC power supply (2)
    • Cup holder (2)
    • Diagnostic connection port
    • Dome courtesy light
    • Entertainment radio ready: - 20 amp switched/10A memory converter, speaker, and wiring harnesses
    • Heater/defroster
    • Storage space behind seat
    • ROPS cab, insulated/sound suppressed
    • Seat, operator, air suspension
    • Seatbelt, operator, three point
    • Seatbelt, trainer, two point
    • Tinted glass
    • Gauge/indicators: - Hydraulic oil temperature - Engine coolant temperature - Fuel level - Electric control fault indicator - Electric hour meter - Speedometer - Tachometer - VIMS message center advisor
    • Window, electric powered, operator/passenger
    • Wiper, windshield, intermittent control and washer
    • Steering wheel, tilt, telescopic
  • Power Train
    • C175-16 EPA equivalent Tier 2 diesel engine: - Turbocharging (4)/after cooled - Air to air after cooler (ATAAC) - Air cleaner (4) - 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 retarding control - Electric dynamic retarding with blended low speed service brakes - Engine overspeed protection - Extended life brake disc material
    • Body-up reverse neutralizer
    • Cat AC drivetrain: - IGBT controlled AC induction motors - Brushless AC traction alternator - Radial grid with AC blower motor
    • Programmable top speed
    • Rear axle continuous lube/filtration
    • Reverse shift inhibitor
    • Directional shift management
    • Neutral coast shift inhibitor
    • Neutral start inhibitor
  • Fluids
    • Extended life coolant to -35° C (-30° F)
  • Other Standard Equipment
    • Auxiliary “buddy” dumping quick connect
    • Auxiliary steering quick connect
    • Rotating component guards
    • Fast fill fuel system
    • Fuel filter with water separator
    • Ground level battery lockout
    • Machine lockout
    • Engine start lockout
    • ECM cabinet lockout
    • Ground level engine shutdown
    • Rock ejectors (chain)
    • Tow hooks
    • Mud flaps
    • Coolant level gauge (on radiator)
    • Automatic Lincoln lube
    • Battery charge receptacle: - Provides external power routing to batteries
    • S·O·S sample points (hydraulic, cooling, engine)

Optional Equipment:

  • Led Lighting Package
    • Fog lights
    • Service/work lights in LED
  • High Efficiency Dump Body
    • 1721 kg/m3 (2,900 lb/yd3) density ultra light weight 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

Specifications

Standard/Optional Features