794 AC Mining Truck

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.

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

Note (4)

High altitude configurations available for altitudes up to 4267 m (14,000 ft) without derate.

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.

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%

Front Axle - Empty

49%

Rear Axle - Empty

51%

Front Axle - Loaded

33%

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.

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

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)

Final Drive - Each

67gal (US)

Crankcase

82gal (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

Rear Axle - Tail

15.5ft

Rear Axle - Clearance

3.08ft

Overall Tire Width

28.67ft

Overall Length

50.75ft

Overall Height - Body Raised

48.42ft

Outside Body Width

29.75ft

Note

Dimensions based on 193.6 m³ (253 yd³) HE Body.

Loading Height - Empty

22.92ft

Inside Body Width

28.08ft

Height - Top of ROPS

22.25ft

Ground Clearance

2.67ft

Front Canopy Height

26.33ft

Front Axle Clearance

3.17ft

Dump Clearance

3ft

Centerline of Rear Dual Tire Width

18.75ft

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

Electric Retarding

Radial Grid Design

Standards

ISO 3450:2011

Rear - Wet Disc Brake Surface Area

30750in²

Front Wet Disc Brake Surface Area

20378in²

Dynamic Retarding Power - Continuous

5480HP