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794 AC Mining Truck
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Learn more about the 794 AC Mining Truck
Product Specs
Engine
| 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) |
Weights - Approximate
| 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) |
Final Drives
| Total Reduction Ratio | 35:1 |
AC Drive System
| Total Reduction Ratio | 35:1 |
| 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 |
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 | 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 |
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) | 221 gal/min |
| Pump Flow - High Idle (LAA at 1,960 rpm) | 240 gal/min |
| 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. |
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 | 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. |
Service Refill Capacities
| 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
| ROPS Standards | ROPS (Rollover Protective Structure) meets ISO 3471:1994. |
| FOPS Standards | FOPS (Falling Object Protective Structure) meets ISO 3449:1992. |
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 | 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 |