794 AC Mining Truck

Engine

Engine Model

Cat® C175-16

Gross Power - SAE J1995

3500 hp

Bore

6.9 in

Stroke

8.7 in

Displacement

5187 in3

Standard Gross Power – SAE J1995*

3500 hp

Note

* Contact factory for low HP, lower emissions tier configurations and high altitude configurations.

Note

Power Ratings apply at 1,800 rpm when tested under the specified conditions for the specified standard.

Note

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

No engine derating required up to 1829 m (6,000 ft) altitude.

Emissions

Equivalent to U.S. EPA Tier 2 emission standards.

Weights – approximate

Chassis Weight

417187 lb

Body Weight

62140 lb

Gross Machine Operating Weight

1150000 lb

Note

Consult your tire manufacturer for maximum tire load.

Note

Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.

Note

Body weight varies depending on how body is equipped.

Operating Specifications

Nominal Payload Capacity

320 tons

Steer Angle

39 Degrees

Top Speed – Loaded

37 mph

Gross Machine Operating Weight (GMW)

1150000 lb

Minimum Turning Radius

53 ft

Note

Payload assumes no debris, no extra options or attachments.

Note

Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.

Final Drives

Total Reduction Ratio

35:1

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

Wheel Motor

Cat AC induction, rear axle mounted

Braking System

Dynamic Retarding Power – Continuous

5480 hp

Electric Retarding

Radial Grid Design

Front Wet Disc Brake Surface Area

20378 in2

Rear Wet Disc Brake Surface Area

30750 in2

Standards

ISO 3450:2011

Weight Distributions – approximate

Front Axle – Loaded

33 %

Rear Axle – Loaded

67 %

Front Axle – Empty

49 %

Rear Axle – Empty

51 %

Service Refill Capacities

Cooling System

211 gal

Crankcase

82 gal

Final Drives, each

67 gal

Fuel Tank

1300 gal

Hydraulic System (includes tank)

385 gal

Hydraulic Tank

296 gal

Tires

Standard Tires

53/80 R63.

Note

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

Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.

Dimensions (Approximate)

Height to Top of ROPS

22.25 ft

Overall Length

50.75 ft

Wheelbase

21.83 ft

Rear Axle to Tail

15.50 ft

Ground Clearance

2.67 ft

Dump Clearance

3.00 ft

Loading Height – Empty

22.92 ft

Overall Height – Body Raised

48.42 ft

Centerline Front Tire Width

23.00 ft

Front Axle Clearance

3.17 ft

Overall Canopy Width

32.00 ft

Outside Body Width

29.75 ft

Inside Body Width

28.08 ft

Front Canopy Height

26.33 ft

Rear Axle Clearance

3.08 ft

Centerline Rear Dual Tire Width

18.75 ft

Overall Tire Width

28.67 ft

Note

Dimensions based on 1936 m3 (253 yd3) HE Body.

ROPS

FOPS Standards

FOPS (Falling Object Protective Structure) meets ISO 3449:1992.

ROPS Standards

ROPS (Rollover Protective Structure) meets ISO 3471:1994.

Sound

Sound Standard

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 Standard

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).

Capacity – HE Body – 100% fill factor

Dump Body Plate Thickness Varies Depending on Body Selection – Canopy Plate

0.20 in

Dump Body Plate Thickness Varies Depending on Body Selection – Floor Plate

0.63 in

Dump Body Plate Thickness Varies Depending on Body Selection – Front Plate

0.35 in

Dump Body Plate Thickness Varies Depending on Body Selection – Side Plate

0.31 in

Heaped (SAE 2:1)

180-222 m3 (236-290 yd3)

Struck

108-133 m3 (142-175 yd3)

Note

Contact your local Cat dealer for body recommendations.