794 AC Mining Truck

Engine

Engine Model

Cat® C175-16

Gross Power - SAE J1995

3500 hp

Gross Power - SAE J1995

3500 hp

Standard Gross Power - SAE J1995

3500 hp

Engine Model

Cat® C175-16

Optional Gross Power - SAE J1995

3100 hp

Rated Speed

1800 r/min

Net Power - SAE J1349

3405 hp

Bore

6.9 in

Stroke

8.7 in

Displacement

5187 in³

Bore

6.9 in

Stroke

8.7 in

Displacement

5187 in3

Standard Gross Power – SAE J1995*

3500 hp

Note (1)

Contact factory for high altitude configuration.

Note (2)

Tier 4 / EU Stage V option available for regions that require these emissions standards.

Note (3)

Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)

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

Rated Gross Machine Weight

1150000 lb

Chassis Weight

426237 lb

Body Weight

64346 lb

Note (1)

Consult your tire manufacturer for maximum tire load.

Note (2)

Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires

Note (3)

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

Weights – approximate

Chassis Weight

417187 lb

Body Weight

62140 lb

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

35:01:00

Total Reduction Ratio

35:1

AC Drive System

Generator/Alternator

Brushless, engine mounted, dual bearing

Controls

IGBT Inverter Technology, air cooled, pressurized cabinet with filtration

Wheel Motor

High-torque AC induction, rear axle mounted

Cooling System

Variable speed, hydraulically driven cooling system

Tires

Standard Tires

53/80 R63

Note (1)

Quick Change Rims optional.

Note (2)

Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.

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.

Braking System

Service Brakes

Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated

Front Wet Disc Brake Surface Area

20378 in²

Rear - Wet Disc Brake Surface Area

30750 in²

Standards

ISO 3450:2011

Parking Brake

Four-corner, Multi-disc, Spring applied, Hydraulically Released

Dynamic Retarding Power - Continuous

5480 hp

Electric Retarding

Radial Grid Design

Weight Distributions - Approximate

Front Axle - Empty

49 %

Rear Axle - Empty

51 %

Front Axle - Loaded

33 %

Rear Axle - Loaded

67 %

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

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

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

0.2 in

Note

Contact your local Cat dealer for body recommendations.

Body Hoists

Relief Valve Setting - Raise

3029 psi

Body Raise Time - High Idle

24 s

High Idle Body Lower Time - Float

20 s

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.

Service Refill Capacities

Fuel Tank

1300 gal (US)

Cooling System

211 gal (US)

Crankcase

82 gal (US)

Final Drive - Each

67 gal (US)

Hydraulic Tank

296 gal (US)

Hydraulic System - Including Tank

385 gal (US)

Diesel Exhaust Fluid Tank

100 gal (US)

Note (1)

DEF Tank only available for EPA Tier 4 / EU Stage V engine option.

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

Cab

ROPS Standards (1)

Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.

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.

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 5010:2019

Note

Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).

Steer Angle

39 °

Steering Standards

ISO 5010:2007

Note

Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).

Dimensions (Approximate)

Height - Top of ROPS

22.25 ft

Overall Length

50.75 ft

Wheel Base

21.83 ft

Rear Axle - Tail

15.5 ft

Ground Clearance

2.67 ft

Dump Clearance

3 ft

Loading Height - Empty

22.92 ft

Overall Height - Body Raised

48.42 ft

Centerline Front Tire Width

23 ft

Front Axle Clearance

3.17 ft

Canopy Width (without optional rock deflectors)

29.75 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 of Rear Dual Tire Width

18.75 ft

Overall Tire Width

28.67 ft

Overall Canopy Width

31.5 ft

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

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.

Weight Distributions – approximate

Front Axle – Loaded

33 %

Rear Axle – Loaded

67 %

Front Axle – Empty

49 %

Rear Axle – Empty

51 %

ROPS

FOPS Standards

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

ROPS Standards

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