Caterpillar 794 AC

Name: Caterpillar 794 AC
Brand: Caterpillar

Configuration: Cat 794 AC mining truck, Cat C175-16 engine, 327 US ton nominal payload, AC electric drive, 53/80 R63 tires

17 sourced values · Sources: Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25

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Dimension diagram

A	Overall length	≈ 15,469 mm
B	Overall height	≈ 8,025 mm
C	Wheelbase	≈ 6,654 mm
D	Ground clearance	Not captured
E	Overall width	≈ 9,601 mm
F	Track gauge / tread	Not captured

Weights

Spec	Value	Source
Max gross (laden) weight	≈ 521,631 kg	Published: 1,150,000 lb Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Rated Gross Machine Weight.
Empty (chassis + body) weight	Not published	Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Cat publishes chassis and body weights separately, not an empty vehicle weight: chassis 426,237 lb, body 64,346 lb.

Dimensions

Spec	Value	Source
Overall length	≈ 15,469 mm	Published: 50.75 ft Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Overall width	≈ 9,601 mm	Published: 31.5 ft Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Overall Canopy Width (no operating width printed).
Overall height	≈ 8,025 mm	Published: 26.33 ft Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Front Canopy Height (Height - Top of ROPS 22.25 ft).
Overall height, body raised	≈ 14,758 mm	Published: 48.42 ft Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Loading height (empty)	≈ 6,986 mm	Published: 22.92 ft Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Wheelbase	≈ 6,654 mm	Published: 21.83 ft Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Turning radius	Not published	Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Cat publishes turning diameters only (no radius).
Turning / clearance circle diameter	Not published	Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Not published in the cited OEM document. (steer angle only)

Undercarriage / tires

Spec	Value	Source
Tire size	53/80 R63	Published: 53/80 R63 Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25

Engine

Spec	Value	Source
Drive system	Electric AC drive (Cat brushless engine-mounted alternator, IGBT inverters, AC wheel motors)	Published: Electric AC drive (Cat brushless engine-mounted alternator, IGBT inverters, AC wheel motors) Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Engine model	Cat C175-16	Published: Cat C175-16 Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Gross power	≈ 2,610 kW	Published: 3,500 hp Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 SAE J1995 standard (2610 kW); optional 3100 hp and 2750 hp ratings.
Net power	≈ 2,539 kW	Published: 3,405 hp Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 SAE J1349.
Displacement	≈ 85 L	Published: 5,187 in³ Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Rated speed	1,800 rpm	Published: 1,800 rpm Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Fuel tank capacity	≈ 4,921 L	Published: 1,300 gal Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25

Performance

Spec	Value	Source
Rated payload	≈ 296,649 kg	Published: 327 US ton Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Nominal Rated Payload.
Body capacity (heaped)	Not published	Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Printed as a range only: 180-222 m³ (236-290 yd³). Heaped (SAE 2:1), HE body range as printed.
Body capacity (struck)	Not published	Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Printed as a range only: 108-133 m³ (142-175 yd³). Range as printed.
Max travel speed	≈ 59.5 km/h	Published: 37 mph Caterpillar product specifications, Cat 794 AC Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Top Speed - Loaded.

Similar models

Brand	Model	Max gross (laden) weight
Komatsu	930E-5	≈ 521,631 kg
Liebherr	T 274	≈ 528,000 kg
Hitachi	EH5000AC-3	500,000 kg
Komatsu	860E-1K	≈ 454,363 kg
Liebherr	T 284	≈ 605,000 kg
Komatsu	980E-5	≈ 627,999 kg

Compare side by side with Komatsu 930E-5 and Liebherr T 274

Head-to-head

Komatsu 930E-5 vs Caterpillar 794 AC