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 794 AC Mining Truck |
 772 (07) Off-Highway Truck |
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Weights - Approximate |
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| Nominal Rated Payload | 327 ton (US) | - | - |
| Rated Gross Machine Weight | 1150000 lb | - | - |
| Chassis Weight | 426237 lb | 59223 lb | - |
| Body Weight | 64346 lb | 17306 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) | - | - |
| Target Gross Machine Operating Weight | - | 181000 lb | - |
| Target Gross Machine Weight | - | 181000 lb | - |
Engine |
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| Gross Power - SAE J1995 | 3500 HP | 605 HP | - |
| Standard Gross Power - SAE J1995 | 3500 HP | - | - |
| Engine Model | Cat® C175-16 | Cat® C18 | - |
| 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 | 550 HP | - |
| Emissions Rating | Fuel Optimized | - | - |
| Bore | 6.9 in | 5.7 in | - |
| Stroke | 8.7 in | 7.2 in | - |
| Displacement | 5187 in³ | 1105 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) | - | - |
| Rated Engine Speed | - | 1700 r/min | - |
| Net Power - ISO 9249 | - | 550 HP | - |
| Number of Cylinders | - | 6 | - |
| Net Torque - SAE J1349 | - | 2221 ft-lb | - |
| Engine Power - ISO 14396 | - | 598 HP | - |
Final Drives |
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| Total Reduction Ratio | 35:01:00 | 13.14:1 | - |
| Differential Ratio | - | 2.74:1 | - |
| Planetary Ratio | - | 4.80:1 | - |
Tires |
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| 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. | - | - |
| Standard Tire | - | 21.00R33 (E4) | - |
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 | - | - |
| 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 |
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| Front Axle - Empty | 49 % | 51.4 % | - |
| Rear Axle - Empty | 51 % | 48.6 % | - |
| Front Axle - Loaded | 33 % | 34.2 % | - |
| Rear Axle - Loaded | 67 % | 65.8 % | - |
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 | 2750 psi | - |
| Body Raise Time - High Idle | 24 s | 8 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. | - | - |
| Pump Flow - High Idle | - | 112 gal/min | - |
| Relief Valve Setting - Lower | - | 500 psi | - |
| Body Lower Time - Float | - | 10 s | - |
| Body Power Down - High Idle | - | 10 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) | 140 gal (US) | - |
| Cooling System | 211 gal (US) | 33 gal (US) | - |
| Crankcase | 82 gal (US) | 17 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. | - | - |
| Differential - Final Drives | - | 47 gal (US) | - |
| Steering Tank | - | 14.5 gal (US) | - |
| Steering System - Including Tank | - | 23 gal (US) | - |
| Torque Converter - Transmission System | - | 17 gal (US) | - |
| Brake Hoist System | - | 60 gal (US) | - |
| DEF Tank | - | 6 gal (US) | - |
| Brake/Hoist Hydraulic Tank | - | 38 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. | - | - |
| FOPS Standards | Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer. | - | - |
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 open operator station & cab for extended periods or in 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. | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). | - |
| Sound Standards (3) | - | Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. | - |
Steering |
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| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | - |
| Note | Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). | - | - |
| Steer Angle | 39 ° | 40.5 ° | - |
| Turning Diameter - Front | - | 57.7 ft | - |
| Turning Circle - Clearance Diameter | - | 66.6 ft | - |
Operating Specifications |
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| Nominal Payload Class (100%) | - | 51.6 ton (US) | - |
| Top Speed - Loaded | - | 49.2 mile/h | - |
| Maximum Payload Class (110%) | - | 56.7 ton (US) | - |
| Body Capacity - SAE 2:1 | - | 40.8 yd³ | - |
| Target Payload Capacity | - | 51.6 ton (US) | - |
| Not to Exceed Payload (120%) | - | 61.9 ton (US) | - |
| Body Capacity (SAE 2:1)** | - | 40.8 yd³ | - |
Transmission |
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| Forward - 1 | - | 8 mile/h | - |
| Forward - 2 | - | 10.9 mile/h | - |
| Forward - 3 | - | 14.8 mile/h | - |
| Forward - 4 | - | 19.8 mile/h | - |
| Forward - 5 | - | 26.9 mile/h | - |
| Forward - 6 | - | 36.2 mile/h | - |
| Forward - 7 | - | 49.2 mile/h | - |
| Reverse | - | 10.4 mile/h | - |
Brakes |
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| Brake Surface - Front | - | 216 in² | - |
| Brake Surface - Rear | - | 7794 in² | - |
| Brake Standards | - | ISO 3450:1996 | - |
Suspension |
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| Rear axle - Oscillation | - | 8.9 ° | - |
| Empty Loaded Cylinder Stroke Front | - | 9.2 in | - |
| Empty Loaded Cylinder Stroke Rear | - | 5.8 in | - |
Capacity - Dual Slope - 100% Fill Factor |
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| Heaped 2:1 (SAE) | - | 40.8 yd³ | - |
| Struck | - | 31.3 yd³ | - |
Capacity - Flat Floor - 100% Fill Factor |
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| Struck | - | 31.3 yd³ | - |
| Heaped 2:1 (SAE) | - | 40.9 yd³ | - |
ROPS |
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| FOPS Standards | - | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. | - |
| ROPS Standards | - | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. | - |
Dimensions |
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| Height - Top of ROPS | - | 12.8 ft | - |
| Inside Body Depth - Maximum | - | 5.7 ft | - |
| Overall Body Length | - | 26.8 ft | - |
| Inside Body Length | - | 19 ft | - |
| Overall Length | - | 28.9 ft | - |
| Wheel Base | - | 13 ft | - |
| Rear Axle - Tail | - | 9.5 ft | - |
| Ground Clearance | - | 1.6 ft | - |
| Dump Clearance | - | 1.5 ft | - |
| Loading Height - Empty | - | 11.6 ft | - |
| Overall Height - Body Raised | - | 27.1 ft | - |
| Operating Width | - | 15.7 ft | - |
| Centerline Front Tire Width | - | 10.4 ft | - |
| Engine Guard Clearance | - | 2 ft | - |
| Outside Body Width | - | 12.9 ft | - |
| Inside Body Width | - | 11.9 ft | - |
| Front Canopy Height | - | 13.7 ft | - |
| Rear Axle - Clearance | - | 1.9 ft | - |
| Centerline of Rear Dual Tire Width | - | 8.7 ft | - |
| Overall Tire Width | - | 12.9 ft | - |
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