Designed and manufactured by Caterpillar, the 794 AC electric drive truck is single sourced from one manufacturer and supported by the best dealer network. The 794 AC is designed to:
Operating Specifications | |
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Nominal Payload Capacity | 320 ton (US) / 291 t |
Steer Angle | 39 ° |
Gross Machine Operating Weight (GMW) | 1150000 lb / 521631 kg |
Minimum Turning Radius | 53 ft / 16.2 m |
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. |
Top Speed - Loaded | 37 mile/h / 60 km/h |
Engine | |
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Engine Model | Cat® C175-16 |
Gross Power - SAE J1995 | 3500 HP / 2610 kW |
Bore | 6.9 in / 175 mm |
Stroke | 8.7 in / 220 mm |
Displacement | 5187 in³ / 85 l |
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° C (77° F) and 99 kPa (29.61 Hg) dry barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18.390 BTU/lb) when engine used at 30° C (86° 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. |
Standard Gross Power - SAE J1995 | 3500 HP / 2610 kW |
Final Drives | |
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Total Reduction Ratio | 35 to 1 |
AC Drive System | |
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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 |
Body Hoists | |
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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 / 840 l/min |
Pump Flow - High Idle (LAA at 1,960 rpm) | 240 gal/min / 910 l/min |
Relief Valve Setting - Raise | 3029 psi / 20884 kPa |
Total Cycle Time | 44 s |
Braking System | |
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Dynamic Retarding Power - Continuous | 5480 HP / 4086 kW |
Electric Retarding | Radial Grid Design |
Front Wet Disc Brake Surface Area | 20378 in² / 131473 cm² |
Rear - Wet Disc Brake Surface Area | 30750 in² / 198388 cm² |
Standards | ISO 3450:2011 |
Capacity - HE Body - 100% fill factor | |
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Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate | 0.2 in / 5 mm |
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate | 0.63 in / 16 mm |
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate | 0.35 in / 9 mm |
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate | 0.31 in / 8 mm |
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) |
Dimensions (Approximate) | |
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Canopy Width (without optional rock deflectors) | 29.75 ft / 9068 mm |
Centerline Front Tire Width | 23 ft / 7024 mm |
Centerline of Rear Dual Tire Width | 18.75 ft / 5727 mm |
Dump Clearance | 3 ft / 1555 mm |
Front Axle Clearance | 3.17 ft / 969 mm |
Front Canopy Height | 26.33 ft / 8024 mm |
Ground Clearance | 2.67 ft / 906 mm |
Height - Top of ROPS | 22.25 ft / 6779 mm |
Inside Body Width | 28.08 ft / 8560 mm |
Loading Height - Empty | 22.92 ft / 6995 mm |
Note | Dimensions based on 193.6 m³ (253 yd³) HE Body. |
Outside Body Width | 29.75 ft / 9062 mm |
Overall Height - Body Raised | 48.42 ft / 14747 mm |
Overall Length | 50.75 ft / 15463.5 mm |
Overall Tire Width | 28.67 ft / 8738 mm |
Rear Axle - Clearance | 3.08 ft / 934 mm |
Rear Axle - Tail | 15.5 ft / 4716 mm |
Wheel Base | 21.83 ft / 6644.5 mm |
ROPS | |
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FOPS Standards | FOPS (Falling Object Protective Structure) meets ISO 3449:1992. |
ROPS Standards | ROPS (Rollover Protective Structure) meets ISO 3471:1994. |
Service Refill Capacities | |
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Cooling System | 211 gal (US) / 799 l |
Crankcase | 82 gal (US) / 310 l |
Final Drive - Each | 67 gal (US) / 254 l |
Fuel Tank | 1300 gal (US) / 4922 l |
Hydraulic System - Including Tank | 385 gal (US) / 1458 l |
Hydraulic Tank | 296 gal (US) / 1121 l |
Sound | |
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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 | |
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Note | Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). |
Steering Standards | ISO 5010:2007 |
Tires | |
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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 | |
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Front Axle - Empty | 49 % |
Front Axle - Loaded | 33 % |
Rear Axle - Empty | 51 % |
Rear Axle - Loaded | 67 % |
Weights - Approximate | |
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Body Weight | 62140 lb / 28186 kg |
Chassis Weight | 417187 lb / 189233 kg |
Gross Machine Operating Weight | 1150000 lb / 521631 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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