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Caterpillar 794 AC Off-Highway Truck Specs

General Specifications

Caterpillar 794 AC Off-Highway Truck General Specifications specifications
Articulated/Rigid Rigid — Starting 2024 Model Year
Drive Configuration 2WD — Starting 2024 Model Year
Engine Type Cat C175-16 — Starting 2024 Model Year
Mfg. Model 794 AC — Starting 2024 Model Year
Operating Weight 1,150,000.00 lbs (521,541.97 kg) — Starting 2024 Model Year
Planetary Powershift Transmission Auto — Starting 2024 Model Year
Rated Payload 327.00 t (327,000.00 kg) — Starting 2024 Model Year

Ac Drive System

Caterpillar 794 AC Off-Highway Truck Ac Drive System specifications
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

Caterpillar 794 AC Off-Highway Truck Braking System specifications
Dynamic Retarding Power - Continuous 5,480.00 hp (4,086.50 kw)
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
Standards J-Aso 3450 Jan88 ISO 3450:2011

Capacity - He Body - 100% Fill Factor

Caterpillar 794 AC Off-Highway Truck Capacity - He Body - 100% Fill Factor specifications
Dump Body Plate Thickness Varies Depending On Body Selection - Canopy Plate 0.20 in (0.51 cm)
Dump Body Plate Thickness Varies Depending On Body Selection - Floor Plate 0.70 in (1.78 cm)
Dump Body Plate Thickness Varies Depending On Body Selection - Front Plate 0.40 in (1.02 cm)
Dump Body Plate Thickness Varies Depending On Body Selection - Side Plate 0.40 in (1.02 cm)
Heaped (Sae 2:1) 180-222 m (236-290 yd)
Note Contact your local Cat dealer for body recommendations.
Struck 108-133 m (142-175 yd)

Capacity - Mt Family He - 100% Fill Factor

Caterpillar 794 AC Off-Highway Truck Capacity - Mt Family He - 100% Fill Factor specifications
Dump Body Plate Thickness Varies Depending On Body Selection - Canopy Plate 0.20 in (0.51 cm)
Dump Body Plate Thickness Varies Depending On Body Selection - Floor Plate 0.70 in (1.78 cm)
Dump Body Plate Thickness Varies Depending On Body Selection - Front Plate 0.40 in (1.02 cm)
Dump Body Plate Thickness Varies Depending On Body Selection - Side Plate 0.40 in (1.02 cm)
Heaped (Sae 2:1) 180-222 m3 (236-290 yd3)
Struck 108-133 m3 (142-175 yd3)

Dimensions

Caterpillar 794 AC Off-Highway Truck Dimensions specifications
Body Target Length 33.50 ft (10.21 m)
Body Target Width 28.08 ft (8.56 m)
Loading Height - Standard Body 22.02 ft (6.71 m)
Minimum Turning Radius 53.00 ft (16.15 m)
Overall Height - Body Raised 47.92 ft (14.61 m)
Static Loaded Ground Clearance At Front 2.66 ft (0.81 m)
Superstructure Width 28.33 ft (8.63 m)
Truck Width Over Deflectors 29.83 ft (9.09 m)
Wheel Base 21.83 ft (6.65 m)
Width - Over Rear Tires 28.67 ft (8.74 m)

Dimensions (Approximate)

Caterpillar 794 AC Off-Highway Truck Dimensions (Approximate) specifications
Canopy Width (Without Optional Rock Deflectors) 29.75 ft (9.07 m)
Centerline Front Tire Width 23.00 ft (7.01 m)
Centerline Of Rear Dual Tire Width 18.75 ft (5.71 m)
Dump Clearance 3.00 ft (0.91 m)
Front Axle Clearance 3.17 ft (0.97 m)
Front Canopy Height 26.33 ft (8.03 m)
Ground Clearance 2.67 ft (0.81 m)
Height - Top Of Rops 22.25 ft (6.78 m)
Inside Body Width 28.08 ft (8.56 m)
Loading Height - Empty 22.92 ft (6.99 m)
Note Dimensions based on 193.6 m (253 yd) HE Body.
Outside Body Width 29.75 ft (9.07 m)
Overall Height - Body Raised 48.42 ft (14.76 m)
Overall Length 50.75 ft (15.47 m)
Overall Tire Width 28.67 ft (8.74 m)
Rear Axle - Clearance 3.08 ft (0.94 m)
Rear Axle - Tail 15.50 ft (4.72 m)
Wheel Base 21.83 ft (6.65 m)

Engine

Caterpillar 794 AC Off-Highway Truck Engine specifications
Bore 6.90 in (17.53 cm)
Displacement 5,187.00 cu in (84,999.89 cu cm)
Engine Model Cat C175-16
Gross Power - Sae J1995 3,500.00 hp (2,609.99 kw)
Note (1) Power ratings apply at 1,800 rpm when tested under the specified conditions for the specified standard.
Note (2) Ratings based on SAE J1995 standard air conditions of 25 degrees C (77 degrees F) and 99 kPa (29.61 Hg) dry barometer. Power based on fuel having API gravity of 35 at 16 degrees C (60 degrees F) and an LHV of 42 780 kJ/kg (18.390 BTU/lb) when engine used at 30 degrees C (86 degrees F).
Note (3) Optional 2,750 hp and 3,100 hp ratings. Optional emission ratings. Contact factory for available offerings.
Note (4) High altitude configurations available for altitudes up to 4267 m (14,000 ft) without derate.
Optional Gross Power - Sae J1995 2,750.00 hp (2,050.71 kw)
Standard Gross Power - Sae J1995 3,500.00 hp (2,609.99 kw)
Stroke 8.70 in (22.10 cm)

Final Drives

Caterpillar 794 AC Off-Highway Truck Final Drives specifications
Total Reduction Ratio 35:1

Operating Specifications

Caterpillar 794 AC Off-Highway Truck Operating Specifications specifications
Gross Machine Operating Weight (Gmw) 1,150,000.00 lbs (521,541.97 kg)
Minimum Turning Radius 53.00 ft (16.15 m)
Nominal Payload Capacity 640,000.00 lbs (290,249.44 kg)
Note (1) Payload assumes no debris, no extra options or attachments.
Note (2) Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
Steer Angle 39 degrees
Top Speed - Loaded 37.00 mph (59.55 kph)

Rops

Caterpillar 794 AC Off-Highway Truck Rops specifications
Fops Standards FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
Rops Standards ROPS (Rollover Protective Structure) meets ISO 3471:1994.

Service Refill Capacities

Caterpillar 794 AC Off-Highway Truck Service Refill Capacities specifications
Cooling System 211.00 gal (798.64 l)
Crankcase 82.00 gal (310.37 l)
Final Drive - Each 67.00 gal (253.60 l)
Fuel Tank 1,300.00 gal (4,920.50 l)
Hydraulic System - Including Tank 385.00 gal (1,457.23 l)
Hydraulic Tank 296.00 gal (1,120.36 l)

Sound

Caterpillar 794 AC Off-Highway Truck Sound specifications
Sound Standards (1) The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 75 dB for cab.
Sound Standards (2) Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Steering

Caterpillar 794 AC Off-Highway Truck Steering specifications
Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steering Standards ISO 5010:2007

Tires

Caterpillar 794 AC Off-Highway Truck Tires specifications
Note (1) 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 (2) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
Standard Tires 53/80 R63

Weight Distributions - Approximate

Caterpillar 794 AC Off-Highway Truck Weight Distributions - Approximate specifications
Front Axle - Empty 49 %
Front Axle - Loaded 33 %
Rear Axle - Empty 51 %
Rear Axle - Loaded 67 %

Weights - Approximate

Caterpillar 794 AC Off-Highway Truck Weights - Approximate specifications
Body Weight 62,140.00 lbs (28,181.41 kg)
Chassis Weight 417,187.00 lbs (189,200.46 kg)
Gross Machine Operating Weight 1,150,000.00 lbs (521,541.97 kg)
Note (1) Consult your tire manufacturer for maximum tire load.
Note (2) Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (3) Body weight varies depending on how body is equipped.
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