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 794 AC Mining Truck |
 793F Mining Truck |
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Weights - Approximate |
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| Nominal Rated Payload | 327 ton (US) | 256 ton (US) | - |
| Rated Gross Machine Weight | 1150000 lb | 851000 lb | - |
| Chassis Weight | 426237 lb | 265639 lb | - |
| Body Weight | 64346 lb | 67682 lb | - |
| Note (1) | Consult your tire manufacturer for maximum tire load. | 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 | 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. | Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations. | - |
| Note (4) | Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg) | - | - |
Engine |
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| Gross Power - SAE J1995 | 3500 HP | 2650 HP | - |
| Standard Gross Power - SAE J1995 | 3500 HP | - | - |
| Engine Model | Cat® C175-16 | Cat® C175-16 | - |
| Optional Gross Power - SAE J1995 | 3100 HP | - | - |
| Optional Gross Power - SAE J1995 (Option 2) | 2750 HP | - | - |
| Rated Speed | 1800 r/min | 1750 r/min | - |
| Net Power - SAE J1349 | 3405 HP | 2478 HP | - |
| Emissions Rating | Fuel Optimized | - | - |
| Bore | 6.9 in | 6.9 in | - |
| Stroke | 8.7 in | 8.7 in | - |
| Displacement | 5187 in³ | 5187 in³ | - |
| Note (1) | Contact factory for high altitude configuration. | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. | - |
| Note (2) | Tier 4 / EU Stage V option available for regions that require these emissions standards. | EPA Tier 4 Final / EU Stage V available for applicable markets. | - |
| Note (3) | Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW) | - | - |
| Emissions | - | Fuel Optimized | - |
Final Drives |
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| Total Reduction Ratio | 35:01:00 | 26.8:1 | - |
| Differential Ratio | - | 1.8:1 | - |
| Planetary Ratio | - | 16:01 | - |
Tires |
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| Standard Tires | 53/80 R63 | 40.00 R57 | - |
| Rims | 36" x 63" | 29" or 32" | - |
| Note (1) | Quick Change Rims optional. | Extended life wheel stations optional. | - |
| Note (2) | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. | - |
| Note | - | Quick Change Rims optional. | - |
AC Drive System |
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| 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 | - | - |
Braking System |
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| Service Brakes | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | - |
| Front Wet Disc Brake Surface Area | 20378 in² | 13921 in³ | - |
| Rear - Wet Disc Brake Surface Area | 30750 in² | 20847 in³ | - |
| Standards | ISO 3450:2011 | (Service and Secondary): ISO 3450:1996 | - |
| Parking Brake | Four-corner, Multi-disc, Spring applied, Hydraulically Released | - | - |
| Load Brake | Rear service brakes | Rear service brakes | - |
| Dynamic Retarding Power - Continuous | 5480 HP | - | - |
| Parking Brakes | - | Four-corner, Multi-disc, Spring Applied, Hydraulically Released | - |
| Note | - | Anti-Lock Brake System (ABS) optional with CMD package | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | 49 % | 48 % | - |
| Rear Axle - Empty | 51 % | 52 % | - |
| Front Axle - Loaded | 33 % | 33 % | - |
| Rear Axle - Loaded | 67 % | 67 % | - |
Body Hoists |
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| 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 | 2955 psi | - |
| Body Raise Time - High Idle | 24 s | 19 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. | - | - |
| Type | - | Twin, two-stage hydraulic cylinders with snubbing valve | - |
| Pump Flow - High Idle | - | 224 gal/min | - |
| Body Lower Time - Float | - | 20 s | - |
| Body Power Down - High Idle | - | 17.5 s | - |
Capacity - HE Body - 100% fill factor |
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| 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 |
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| Fuel Tank | 1300 gal (US) | 750 gal (US) | - |
| Cooling System | 211 gal (US) | 284 gal (US) | - |
| Crankcase | 82 gal (US) | 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) | 62 gal (US) | - |
| Note (1) | DEF Tank only available for EPA Tier 4 / EU Stage V engine option. | DEF Tank only available for EPA Tier 4 engine option. | - |
| Fuel Tank - Optional | - | 1300 gal (US) | - |
| Rear Axle - Housing | - | 260 gal (US) | - |
| Steering System - Including Tank | - | 77 gal (US) | - |
| Brake Hoist System - Includes Tank | - | 347 gal (US) | - |
| Torque Converter - Transmission Sump | - | 27 gal (US) | - |
| Torque Converter/Transmission System - Including Sump | - | 55 gal (US) | - |
Dimensions (Approximate) |
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| 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 | - | - |
Cab |
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| ROPS Standards (1) | Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer. | The operator sound pressure level, 76 dB(A), complies with ISO 6394 and ISO 6396. | - |
| FOPS Standards | Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer. | FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria. | - |
| Air Conditioning | - | Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr | - |
| Heater / Defroster | - | 38900 Btu/h | - |
| Note | - | Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning. | - |
| ROPS Standards (2) | - | ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. | - |
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. | 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. | - |
| 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. | - | - |
| Sound Standards | - | The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 76 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed. | - |
Steering |
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| Steering Standards | ISO 5010:2007 | SAE J15111 OCT90, ISO 5010:1992 | - |
| Note | Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). | - | - |
| Steer Angle | 39 ° | 36 ° | - |
| Turning Diameter - Front | - | 93.2 ft | - |
Suspension |
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| Type | - | Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments | - |
| Effective Cylinder Stroke - Front | - | 5.1 in | - |
| Effective Cylinder Stroke - Rear | - | 4.2 in | - |
| Rear axle - Oscillation | - | ±4.9 degrees | - |
Capacity - HP Body - 100% Fill Factor |
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| Struck | - | 112.6-151 m³ (147-197.5 yd³) | - |
| Heaped (SAE 2:1)* | - | 162-191 m³ (212-250 yd³) | - |
| Note (1) | - | Contact your local Cat dealer for body recommendation. | - |
| Note (2) | - | *ISO 6483:1980 | - |
Transmission |
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| Forward - 1 | - | 8 mile/h | - |
| Forward - 2 | - | 10.8 mile/h | - |
| Forward - 3 | - | 14.8 mile/h | - |
| Forward - 4 | - | 19.9 mile/h | - |
| Forward - 5 | - | 27.1 mile/h | - |
| Forward - 6 | - | 37.3 mile/h | - |
| Reverse | - | 7.3 mile/h | - |
| Top Speed - Loaded | - | 37.3 mile/h | - |
Brakes |
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| Brake Surface - Front | - | 13921 in² | - |
| Brake Surface - Rear | - | 20847 in² | - |
| Standards | - | J-ISO 3450 JAN88, ISO 3450:1996 | - |
Capacity - MSD II - 100% Fill Factor |
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| Struck | - | 112-142 m³ (146-186 yd³) | - |
| Heaped (SAE 2:1) | - | 159-190 m3 (209-250 yd3) | - |
| Note | - | Contact your local Cat dealer for body recommendation. | - |
ROPS |
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| ROPS Standards | - | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:1994 ROPS criteria. | - |
| FOPS Standards | - | FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria. | - |
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