794 AC Mining Truck

Overview

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.

Key Features

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

Media Gallery

Specifications

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
Optional Gross Power - SAE J1995 (Option 2)	2750 hp
Rated Speed	1800 r/min
Net Power - SAE J1349	3405 hp
Emissions Rating	Fuel Optimized
Bore	6.9 in
Stroke	8.7 in
Displacement	5187 in³
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)

Nominal Rated Payload	327 ton (US)
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.
Note (4)	Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)

Total Reduction Ratio	35:01:00

Total Reduction Ratio	35:01:00
Top Speed - Loaded	37 mile/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

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.

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
Load Brake	Rear service brakes
Dynamic Retarding Power - Continuous	5480 hp

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

Pump Flow - High Idle (HAA at 1,800 rpm)	221 gpm
Pump Flow - High Idle (LAA at 1,960 rpm)	240 gpm
Relief Valve Setting - Raise	3029 psi
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.

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.

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.

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.

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 Standards	ISO 5010:2019
Note	Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steer Angle	39 °

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