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794 AC

Mining Trucks

The Cat® 794 AC electric drive truck delivers a full 327-ton (297-tonne) payload, increased speed on grade, 34% more retarding power than competitive trucks, superior braking performance and easier maintenance. The result? High availability, more confident operators and improved productivity. The 794 features a proven electric drive powertrain that is Caterpillar designed, integrated and supported. Validated on sites around the world, the 794 has proven its performance in a variety of applications. It hauls more every load, every cycle and every shift. And it delivers a better bottom line to the most important mine in the world: yours.

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Gross Power - SAE J1995 2610 kW
Standard Gross Power - SAE J1995 2610 kW
Engine Model Cat® C175-16
Optional Gross Power - SAE J1995 2312 kW
Availability Contact Dealer
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794 AC
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OVERVIEW

Big Payloads. High Speeds. Superior Braking.

FEATURES & BENEFITS

SAFETY

Greater visibility thanks to wide field of view from the cab.Safer access and egress with standard 600 mm) (24 in) wide ladders, flat deck, toe kicks, and optional power... Read more

PRODUCTIVITY

Proven 90% physical availability.Significant speed advantage to move more over the course of a shift — or move the same amount of material with fewer trucks.Lower empty w... Read more

OPERATOR COMFORT

Ergonomic cab layout, excellent all-around visibility, and controls, levers and switches that are positioned for ease of use.Automatic climate control and reduced vibrati... Read more

VERSATILITY

Proven in the field and working around the world — on four continents and in nine countries.Ideal for a variety of applications and ores: soft rock, hard rock, deep pit,... Read more

SERVICEABILITY

Open engine access and platforms for service of engine, generator and inverter, plus ground-level filters and service.Component layout with minimized hydraulics, all hydr... Read more

DURABILITY AND LONG LIFE

Highly validated and proven straight frame rail design that eliminates the bends and breaks that can occur at stress concentrations.Outstanding durability delivered by bo... Read more

PROVEN AC DRIVE & POWERTRAIN

Reduced operating costs thanks to the integrated engine and powertrain 100% designed, validated and built by Caterpillar.Radial style retarding grid with AC electric moto... Read more

SUSTAINABILITY

Designed to use less fuel, which reduces engine emissions and carbon footprint.Optional U.S. EPA Tier 4 Final / EU Stage V engine, which reduces NOx by 62% and particulat... Read more

TECHNOLOGY SOLUTIONS

Equipped with standard Product Link™ Elite monitoring system, which delivers health and payload information to keep performance high and enable proactive maintenance plan... Read more

SPECIFICATIONS FOR 794 AC

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Engine
Gross Power - SAE J1995 2610 kW
Standard Gross Power - SAE J1995 2610 kW
Engine Model Cat® C175-16
Optional Gross Power - SAE J1995 2312 kW
Optional Gross Power - SAE J1995 (Option 2) 2051 kW
Rated Speed 1800 r/min
Net Power - SAE J1349 2539 kW
Emissions Rating Fuel Optimized
Bore 175 mm
Stroke 220 mm
Displacement 85 l
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)
Weights - Approximate
Nominal Rated Payload 297 t
Rated Gross Machine Weight 521631 kg
Chassis Weight 193338 kg
Body Weight 29187 kg
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)
Final Drives
Total Reduction Ratio 35:01:00
AC Drive System
Total Reduction Ratio 35:01:00
Top Speed - Loaded 60 km/h
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
Rims 36" x 63"
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.
Braking System
Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area 131473 cm²
Rear - Wet Disc Brake Surface Area 198388 cm²
Standards ISO 3450:2011
Parking Brake Four-corner, Multi-disc, Spring applied, Hydraulically Released
Load Brake Rear service brakes
Dynamic Retarding Power - Continuous 4086 kW
Weight Distributions - Approximate
Front Axle - Empty 49 %
Rear Axle - Empty 51 %
Front Axle - Loaded 33 %
Rear Axle - Loaded 67 %
Body Hoists
Pump Flow - High Idle (HAA at 1,800 rpm) 840 l/min
Pump Flow - High Idle (LAA at 1,960 rpm) 910 l/min
Relief Valve Setting - Raise 20884 kPa
Body Raise Time - High Idle 24 s
High Idle Body Lower Time - Float 20 s
Total Cycle Time 44 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.
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 16 mm
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate 9 mm
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate 8 mm
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate 5 mm
Note Contact your local Cat dealer for body recommendations.
Service Refill Capacities
Fuel Tank 4922 l
Cooling System 799 l
Crankcase 310 l
Final Drive - Each 254 l
Hydraulic Tank 1121 l
Hydraulic System - Including Tank 1458 l
Diesel Exhaust Fluid Tank 378 l
Note (1) DEF Tank only available for EPA Tier 4 / EU Stage V engine option.
ROPS
ROPS Standards ROPS (Rollover Protective Structure) meets ISO 3471:1994.
FOPS Standards FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
Standar FOPS
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
Steering Standards ISO 5010:2007
Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steer Angle 39 °
Dimensions (Approximate)
Height - Top of ROPS 6779 mm
Overall Length 15463.5 mm
Wheel Base 6644.5 mm
Rear Axle - Tail 4716 mm
Ground Clearance 906 mm
Dump Clearance 1555 mm
Loading Height - Empty 6995 mm
Overall Height - Body Raised 14747 mm
Centerline Front Tire Width 7024 mm
Front Axle Clearance 969 mm
Canopy Width (without optional rock deflectors) 9068 mm
Outside Body Width 9062 mm
Inside Body Width 8560 mm
Front Canopy Height 8024 mm
Rear Axle - Clearance 934 mm
Centerline of Rear Dual Tire Width 5727 mm
Overall Tire Width 8738 mm
Overall Canopy Width 9611 mm
Cab
ROPS Standards (1) Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.
FOPS Standards Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer.

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Gross Power - SAE J1995 2983 kW
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Gross Power - SAE J1995 2535 kW
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Net Power - SAE J1349 2460 kW
Rated Speed 1800 r/min
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Gross Power - SAE J1995 1566 kW
Engine Model Cat® 3516C HD
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Bore 170 mm
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Gross Power - SAE J1995 1082 kW
Net Power - SAE J1349 1005 kW
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Bore 170 mm
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793D

Gross Power - SAE J1995 1801 kW
Engine Model Cat® 3516B HD
Net Power - SAE J1349 1743 kW
Rated Speed 1750 r/min
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MT4400D AC

Engine Model Cat® 3516C HD
Gross Power - SAE J1995 1864 kW
Bore 170 mm
Stroke 215 mm
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