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794 AC Mining Truck

794 AC Mining Truck

Big Payloads. High Speeds. Superior Braking.

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More Comfort – More Performance – More Versatility

  • Up To 8% Better Payload

    Higher-rated field payload vs. competitive trucks thanks to lower empty weight and higher-rated GMW

  • 34% More Retarding Power

    Superior retarding power and four-corner wet disc brakes boost operator confidence

  • Up To 8% Better Speed on Grade

    Can travel at top speed of 60 kph / 37 mph and at maximum 28% grade loaded

Engine

Bore 6.9 in
Displacement 5187 in³
Emissions Rating Fuel Optimized
Engine Model Cat® C175-16
Gross Power - SAE J1995 3500 hp
Net Power - SAE J1349 3405 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)
Optional Gross Power - SAE J1995 3100 hp
Optional Gross Power - SAE J1995 (Option 2) 2750 hp
Rated Speed 1800 r/min
Standard Gross Power - SAE J1995 3500 hp
Stroke 8.7 in

Weights - Approximate

Body Weight 64346 lb
Chassis Weight 426237 lb
Nominal Rated Payload 327 ton (US)
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.
Note (4) Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)
Rated Gross Machine Weight 1150000 lb

Final Drives

Total Reduction Ratio 35:01:00

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
Top Speed - Loaded 37 mile/h
Total Reduction Ratio 35:01:00
Wheel Motor High-torque AC induction, rear axle mounted

Tires

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.
Rims 36" x 63"
Standard Tires 53/80 R63

Braking System

Dynamic Retarding Power - Continuous 5480 hp
Front Wet Disc Brake Surface Area 20378 in²
Load Brake Rear service brakes
Parking Brake Four-corner, Multi-disc, Spring applied, Hydraulically Released
Rear - Wet Disc Brake Surface Area 30750 in²
Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Standards ISO 3450:2011

Weight Distributions - Approximate

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

Body Hoists

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.
Pump Flow - High Idle (HAA at 1,800 rpm) 221 gal/min
Pump Flow - High Idle (LAA at 1,960 rpm) 240 gal/min
Relief Valve Setting - Raise 3029 psi
Total Cycle Time 44 s

Capacity - HE Body - 100% fill factor

Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate 0.2 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)
Note Contact your local Cat dealer for body recommendations.
Struck 108-133 m³ (142-175 yd³)

Service Refill Capacities

Cooling System 211 gal (US)
Crankcase 82 gal (US)
Diesel Exhaust Fluid Tank 100 gal (US)
Final Drive - Each 67 gal (US)
Fuel Tank 1300 gal (US)
Hydraulic System - Including Tank 385 gal (US)
Hydraulic Tank 296 gal (US)
Note (1) DEF Tank only available for EPA Tier 4 / EU Stage V engine option.

Cab

FOPS Standards Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer.
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.

Steering

Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steer Angle 39 °
Steering Standards ISO 5010:2007

Dimensions (Approximate)

Canopy Width (without optional rock deflectors) 29.75 ft
Centerline Front Tire Width 23 ft
Centerline of Rear Dual Tire Width 18.75 ft
Dump Clearance 3 ft
Front Axle Clearance 3.17 ft
Front Canopy Height 26.33 ft
Ground Clearance 2.67 ft
Height - Top of ROPS 22.25 ft
Inside Body Width 28.08 ft
Loading Height - Empty 22.92 ft
Outside Body Width 29.75 ft
Overall Canopy Width 31.5 ft
Overall Height - Body Raised 48.42 ft
Overall Length 50.75 ft
Overall Tire Width 28.67 ft
Rear Axle - Clearance 3.08 ft
Rear Axle - Tail 15.5 ft
Wheel Base 21.83 ft

Download resources

794 AC Tech Specs
794 AC Product Brochure
Brochure - Electric Drive Trucks Updates
794 AC Poster

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