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 797F Mining Truck |
 794 AC Mining Truck |
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Weights - Approximate |
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| Nominal Rated Payload | 400 ton (US) | 327 ton (US) | - |
| Rated Gross Machine Weight | 1375000 lb | 1150000 lb | - |
| Chassis Weight | 474472 lb | 426237 lb | - |
| Body Weight | 94799 lb | 64346 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 (4) | Tier 4 Chassis Weight: 486263 lb (220565 kg) | Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg) | - |
| Note (3) | - | Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations. | - |
Engine |
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| Gross Power - SAE J1995 | 4000 HP | 3500 HP | - |
| Engine Model | Cat® C175-20 | Cat® C175-16 | - |
| Net Power - SAE J1349 | 3795 HP | 3405 HP | - |
| Rated Speed | 1750 r/min | 1800 r/min | - |
| Emissions | U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards. | - | - |
| Bore | 6.9 in | 6.9 in | - |
| Stroke | 8.7 in | 8.7 in | - |
| Displacement | 6469 in³ | 5187 in³ | - |
| Note (1) | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. | Contact factory for high altitude configuration. | - |
| Note (2) | U.S. EPA Tier 4 Final available for applicable markets. | Tier 4 / EU Stage V option available for regions that require these emissions standards. | - |
| Note (3) | High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. | Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW) | - |
| Standard Gross Power - SAE J1995 | - | 3500 HP | - |
| Optional Gross Power - SAE J1995 | - | 3100 HP | - |
| Optional Gross Power - SAE J1995 (Option 2) | - | 2750 HP | - |
| Emissions Rating | - | Fuel Optimized | - |
Body Hoists |
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| Type | Twin, two-stage hydraulic cylinders with snubbing valve. | - | - |
| Pump Flow - High Idle | 317 gal/min | - | - |
| Relief Valve Setting - Raise | 3510 psi | 3029 psi | - |
| Body Raise Time - High Idle | 25 s | 24 s | - |
| Body Lower Time - Float | 18 s | - | - |
| Body Power Down- High Idle | 18 s | - | - |
| Pump Flow - High Idle (HAA at 1,800 rpm) | - | 221 gal/min | - |
| Pump Flow - High Idle (LAA at 1,960 rpm) | - | 240 gal/min | - |
| 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. | - |
Suspension |
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| Type | Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments | - | - |
| Effective Cylinder Stroke - Front | 3.9 in | - | - |
| Effective Cylinder Stroke - Rear | 3.7 in | - | - |
| Rear axle - Oscillation | ±3.96 degrees | - | - |
Service Refill Capacities |
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| Fuel Tank | 1000 gal (US) | 1300 gal (US) | - |
| Fuel Tank (Tier 4) | 1200 gal (US) | - | - |
| Diesel Exhaust Fluid Tank | 100 gal (US) | 100 gal (US) | - |
| Cooling System | 306 gal (US) | 211 gal (US) | - |
| Crankcase | 103 gal (US) | 82 gal (US) | - |
| Front Wheels - Each | 16 gal (US) | - | - |
| Differentials | 330 gal (US) | - | - |
| Steering Tank | 67 gal (US) | - | - |
| Steering System - Including Tank | 95 gal (US) | - | - |
| Brake/Hoist Tank | 203 gal (US) | - | - |
| Brake Hoist System - Includes Tank | 489 gal (US) | - | - |
| Torque Converter Sump | 80 gal (US) | - | - |
| Torque Converter/Transmission System - Including Sump | 166 gal (US) | - | - |
| Note (1) | DEF Tank only available for EPA Tier 4 engine option. | DEF Tank only available for EPA Tier 4 / EU Stage V engine option. | - |
| Final Drive - Each | - | 67 gal (US) | - |
| Hydraulic Tank | - | 296 gal (US) | - |
| Hydraulic System - Including Tank | - | 385 gal (US) | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | 47.20% | 49 % | - |
| Rear Axle - Empty | 52.80% | 51 % | - |
| Front Axle - Loaded | 33.30% | 33 % | - |
| Rear Axle - Loaded | 66.70% | 67 % | - |
| Note | Weight distributions optimized with Cat body. | - | - |
Final Drives |
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| Type | Double reduction, planetary with full floating axles. | - | - |
| Differential Ratio | 1.276:1 | - | - |
| Planetary Ratio | 16.67:1 | - | - |
| Total Reduction Ratio | 21.26:1 | 35:01:00 | - |
| Note | Double reduction, planetary with full floating axles. | - | - |
Tires |
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| Tires | 59/80 R63 | - | - |
| Rims | 44" x 63" | 36" x 63" | - |
| Note | Quick Change Rims optional. | - | - |
| Note (1) | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. | Quick Change Rims optional. | - |
| Standard Tires | - | 53/80 R63 | - |
| Note (2) | - | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. | - |
Braking System |
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| Service Brakes | Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | - |
| Front Wet Disc Brake Surface Area | 20500 in² | 20378 in² | - |
| Rear - Wet Disc Brake Surface Area | 30750 in² | 30750 in² | - |
| Standards | Service and Secondary: ISO 3450:2011 | ISO 3450:2011 | - |
| Parking Brake | Four-corner, Multi-disc, Spring Applied, Hydraulically Released | Four-corner, Multi-disc, Spring applied, Hydraulically Released | - |
| Load Brake | Rear service brakes | Rear service brakes | - |
| Note | Anti-Lock Brake System (ABS) optional with CMD package | - | - |
| Dynamic Retarding Power - Continuous | - | 5480 HP | - |
Capacity - HP Body - 100% Fill Factor |
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| Struck | 225 yd³ / 172 m³ | - | - |
| Heaped (SAE 2:1)* | 330 yd³ / 252 m³ | - | - |
| Note (1) | Consult your local Cat dealer for body recommendations. | - | - |
Cab |
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| Air Conditioning | HFC - 134A refrigerant: 24,300 Btu/h | - | - |
| 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 (1) | The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008. | Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer. | - |
| ROPS Standards (2) | ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. | - | - |
| FOPS Standards | FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria. | Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer. | - |
Steering |
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| Steering Angle | 40 ° | - | - |
| Turning Diameter - Front | 122.7 ft | - | - |
| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | - |
| Note | Turning Diameter (ISO 7457:2009) | Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). | - |
| Steer Angle | - | 39 ° | - |
Transmission |
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| Forward - 1 | 6.6 mile/h | - | - |
| Forward - 2 | 8.9 mile/h | - | - |
| Forward - 3 | 12 mile/h | - | - |
| Forward - 4 | 16.2 mile/h | - | - |
| Forward - 5 | 21.8 mile/h | - | - |
| Forward - 6 | 29.4 mile/h | - | - |
| Forward - 7 | 39.5 mile/h | - | - |
| Reverse | 7.4 mile/h | - | - |
| Top Speed - Loaded | 39.5 mile/h | - | - |
Dimensions |
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| Rear Axle - Clearance - Loaded | 3.08 ft | - | - |
| Inside Body Depth - Maximum | 11 ft | - | - |
| Overall Height - Body Raised | 51.5 ft | - | - |
| Loaded Ground Clearance | 2.58 ft | - | - |
| Loading Height - Empty | 23 ft | - | - |
| Engine Guard Clearance - Loaded | 3.33 ft | - | - |
| Height - Top of ROPS - Empty | 21.4 ft | - | - |
| Front Canopy Height - Empty | 25.33 ft | - | - |
| Overall Body Length | 48.6 ft | - | - |
| Inside Body Length | 32.75 ft | - | - |
| Overall Length | 49.5 ft | - | - |
| Wheel Base | 23.58 ft | - | - |
| Rear Axle - Tail | 12.9 ft | - | - |
| Dump Clearance | 6.58 ft | - | - |
| Centerline Front Tire Width | 21.41 ft | - | - |
| Overall Canopy Width | 29.91 ft | - | - |
| Outside Body Width | 32 ft | - | - |
| Inside Body Width | 27.91 ft | - | - |
| Centerline of Rear Dual Tire Width | 20.41 ft | - | - |
| Overall Tire Width | 31.25 ft | - | - |
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 | - |
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. | - |
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 | - |
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. | - |
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