794 AC Mining Truck

794 AC Mining Truck

360° Exterior View

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 ...
PDF Print SHARE

Operating Specifications

Nominal Payload Capacity
320ton (US)
Steer Angle
39°
Top Speed - Loaded
37mile/h
Note (2)
Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
Note (1)
Payload assumes no debris, no extra options or attachments.
Gross Machine Operating Weight (GMW)
1150000lb
Minimum Turning Radius
53ft

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
Note (3)
Optional 2,750 hp and 3,100 hp ratings. Optional emission ratings. Contact factory for available offerings.
Note (2)
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 (1)
Power ratings apply at 1,800 rpm when tested under the specified conditions for the specified standard.
Note (4)
High altitude configurations available for altitudes up to 4267 m (14,000 ft) without derate.

Final Drives

Total Reduction Ratio
35 to 1

Weights - Approximate

Note (3)
Body weight varies depending on how body is equipped.
Note (2)
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (1)
Consult your tire manufacturer for maximum tire load.
Gross Machine Operating Weight
1150000lb
Chassis Weight
417187lb
Body Weight
62140lb

Weight Distributions - Approximate

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

Tires

Note (2)
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
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.
Standard Tires
53/80 R63.

Steering

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

Sound

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.
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.

Service Refill Capacities

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

ROPS

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

Dimensions (Approximate)

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

Capacity - HE Body - 100% fill factor

Struck
108-133 m³ (142-175 yd³)
Note
Contact your local Cat dealer for body recommendations.
Heaped (SAE 2:1)
180-222 m³ (236-290 yd³)
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
0.31in
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
0.35in
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
0.63in
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
0.2in

Braking System

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

AC Drive System

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

Standard Equipment:

Optional Equipment:

    Optional Equipment
    • 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