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 793F Mining Truck |
 798 AC Electric Drive Mining Truck |
 797F Mining Truck |
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Weights - Approximate |
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| Nominal Rated Payload | 256 ton (US) | 410 ton (US) | 400 ton (US) |
| Rated Gross Machine Weight | 851000 lb | 1375000 lb | 1375000 lb |
| Chassis Weight | 265639 lb | 453826 lb | 474472 lb |
| Body Weight | 67682 lb | - | 94799 lb |
| Note (1) | Consult your tire manufacturer for maximum tire load | 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 100% fuel, 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 the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations. | Body weight varies depending on how body is equipped. | - |
| Body Weight Range | - | 38 833 - 43 275 kg (85,611 - 95,406 lb) | - |
| Note (4) | - | - | Tier 4 Chassis Weight: 486263 lb (220565 kg) |
Engine |
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| Gross Power - SAE J1995 | 2650 HP | 3500 HP | 4000 HP |
| Net Power - SAE J1349 | 2478 HP | 3405 HP | 3795 HP |
| Engine Model | Cat® C175-16 | Cat® C175-16 | Cat® C175-20 |
| Rated Speed | 1750 r/min | 1800 r/min | 1750 r/min |
| Emissions | Fuel Optimized | - | 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 | 6.9 in |
| Stroke | 8.7 in | 8.7 in | 8.7 in |
| Displacement | 5187 in³ | 5187 in³ | 6469 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. | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. | 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) | EPA Tier 4 Final / EU Stage V available for applicable markets. | U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. | U.S. EPA Tier 4 Final available for applicable markets. |
| Optional Gross Power - SAE J1995 | - | 3100 HP | - |
| Emissions Rating | - | Fuel Optimized | - |
| Note (3) | - | Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp | High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. |
Tires |
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| Standard Tires | 40.00 R57 | 59/80 R63 | - |
| Rims | 29" or 32" | 44" x 63" Rims | 44" x 63" |
| Note | Quick Change Rims optional. | - | Quick Change Rims optional. |
| Note (1) | Extended life wheel stations optional. | Quick Change Rims optional. | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. |
| 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. | - |
| Tires | - | - | 59/80 R63 |
Suspension |
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| Type | Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments | Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments | Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments |
| Effective Cylinder Stroke - Front | 5.1 in | 10 in | 3.9 in |
| Effective Cylinder Stroke - Rear | 4.2 in | 5 in | 3.7 in |
| Rear axle - Oscillation | ±4.9 degrees | - | ±3.96 degrees |
Braking System |
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| Service Brakes | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
| Front Wet Disc Brake Surface Area | 13921 in³ | 22642 in² | 20500 in² |
| Rear - Wet Disc Brake Surface Area | 20847 in³ | 32730 in² | 30750 in² |
| Standards | (Service and Secondary): ISO 3450:1996 | Service and Secondary: ISO 3450:2011 | Service and Secondary: ISO 3450:2011 |
| Parking Brakes | Four-corner, Multi-disc, Spring Applied, Hydraulically Released | Four-corner, Multi-disc, Spring Applied, Hydraulically Released | - |
| Load Brake | Rear service brakes | Rear service brakes | Rear service brakes |
| Note | Anti-Lock Brake System (ABS) optional with CMD package | Anti-Lock Brake System (ABS) optional with CMD package | Anti-Lock Brake System (ABS) optional with CMD package |
| Electric Retarding | - | Radial Grid Design | - |
| Dynamic Retarding Power - Continuous | - | 5480 HP | - |
| Parking Brake | - | - | Four-corner, Multi-disc, Spring Applied, Hydraulically Released |
Body Hoists |
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| Type | Twin, two-stage hydraulic cylinders with snubbing valve | Twin, two-stage hydraulic cylinders with snubbing valve. | Twin, two-stage hydraulic cylinders with snubbing valve. |
| Pump Flow - High Idle | 224 gal/min | 257.3 gal/min | 317 gal/min |
| Relief Valve Setting - Raise | 2955 psi | 3029 psi | 3510 psi |
| Body Raise Time - High Idle | 19 s | 21 s | 25 s |
| Body Lower Time - Float | 20 s | 22 s | 18 s |
| Body Power Down - High Idle | 17.5 s | - | - |
| Body Power Down- High Idle | - | 17.5 s | 18 s |
| Note (1) | - | Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages. | - |
| Note (2) | - | Power raise in both stages; power down capability in both stages. | - |
| Note (3) | - | Automatic body-lower modulation reduces impact on frame. | - |
Cab |
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| Air Conditioning | Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr | HFC - 134A refrigerant: 21,600 Btu/h | HFC - 134A refrigerant: 24,300 Btu/h |
| Heater / Defroster | 38900 Btu/h | 24600 Btu/h | 38900 Btu/h |
| Note | Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning. | Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning. | 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 and ISO 6396. | ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. | The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008. |
| ROPS Standards (2) | ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. | - | ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. |
| FOPS Standards | FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria. | FOPS (Falling Objects Protective Structure) 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. |
Service Refill Capacities |
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| Fuel Tank | 750 gal (US) | 1300 gal (US) | 1000 gal (US) |
| Fuel Tank - Optional | 1300 gal (US) | - | - |
| Diesel Exhaust Fluid Tank | 62 gal (US) | 100 gal (US) | 100 gal (US) |
| Cooling System | 284 gal (US) | 211 gal (US) | 306 gal (US) |
| Crankcase | 82 gal (US) | 82 gal (US) | 103 gal (US) |
| Rear Axle - Housing | 260 gal (US) | - | - |
| Steering System - Including Tank | 77 gal (US) | - | 95 gal (US) |
| Brake Hoist System - Includes Tank | 347 gal (US) | - | 489 gal (US) |
| Torque Converter - Transmission Sump | 27 gal (US) | - | - |
| Torque Converter/Transmission System - Including Sump | 55 gal (US) | - | 166 gal (US) |
| Note (1) | DEF Tank only available for EPA Tier 4 engine option. | DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option | DEF Tank only available for EPA Tier 4 engine option. |
| Fuel Tank (Tier 4) | - | 1200 gal (US) | 1200 gal (US) |
| Final Drive - Each | - | 67 gal (US) | - |
| Hydraulic System - Including Tank | - | 385 gal (US) | - |
| Hydraulic Tank | - | 296 gal (US) | - |
| Grease Tank | - | 90 lb | - |
| Front Wheels - Each | - | - | 16 gal (US) |
| Differentials | - | - | 330 gal (US) |
| Steering Tank | - | - | 67 gal (US) |
| Brake/Hoist Tank | - | - | 203 gal (US) |
| Torque Converter Sump | - | - | 80 gal (US) |
Capacity - HP Body - 100% Fill Factor |
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| Struck | 112.6-151 m³ (147-197.5 yd³) | - | 225 yd³ / 172 m³ |
| Heaped (SAE 2:1)* | 162-191 m³ (212-250 yd³) | - | 330 yd³ / 252 m³ |
| Note (1) | Contact your local Cat dealer for body recommendation. | - | Consult your local Cat dealer for body recommendations. |
| Note (2) | *ISO 6483:1980 | - | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | 48 % | 47 % | 47.20% |
| Rear Axle - Empty | 52 % | 53 % | 52.80% |
| Front Axle - Loaded | 33 % | 33 % | 33.30% |
| Rear Axle - Loaded | 67 % | 67 % | 66.70% |
| Note | - | Weight distributions optimized with Cat body. | Weight distributions optimized with Cat body. |
Transmission |
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| Forward - 1 | 8 mile/h | - | 6.6 mile/h |
| Forward - 2 | 10.8 mile/h | - | 8.9 mile/h |
| Forward - 3 | 14.8 mile/h | - | 12 mile/h |
| Forward - 4 | 19.9 mile/h | - | 16.2 mile/h |
| Forward - 5 | 27.1 mile/h | - | 21.8 mile/h |
| Forward - 6 | 37.3 mile/h | - | 29.4 mile/h |
| Reverse | 7.3 mile/h | - | 7.4 mile/h |
| Top Speed - Loaded | 37.3 mile/h | - | 39.5 mile/h |
| Forward - 7 | - | - | 39.5 mile/h |
Final Drives |
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| Differential Ratio | 1.8:1 | - | 1.276:1 |
| Planetary Ratio | 16:01 | - | 16.67:1 |
| Total Reduction Ratio | 26.8:1 | - | 21.26:1 |
| Type | - | - | Double reduction, planetary with full floating axles. |
| Note | - | - | Double reduction, planetary with full floating axles. |
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. | - | - |
Sound |
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| 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. | The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008. | - |
| Sound Standards (1) | 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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| Steer Angle | 36 ° | 39 ° | - |
| Turning Diameter - Front | 93.2 ft | 106.3 ft | 122.7 ft |
| Steering Standards | SAE J15111 OCT90, ISO 5010:1992 | Steering Standards: ISO 5010:2007 | ISO 5010:2007 |
| Note | - | Turning Diameter (ISO 7457:1997) | Turning Diameter (ISO 7457:2009) |
| Steering Angle | - | - | 40 ° |
Service Refill Capacities - High Altitude Only |
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| Fuel Tank | - | 2000 gal (US) | - |
| Cooling System | - | 273 gal (US) | - |
| Crankcase | - | 124 gal (US) | - |
| Hydraulic Tank | - | 273 gal (US) | - |
| Hydraulic System (includes tank) | - | 342 gal (US) | - |
AC Drive System |
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| Total Reduction Ratio | - | 35:01:00 | - |
| Top Speed - Loaded | - | 40 mile/h | - |
| Generator/Alternator | - | Brushless, engine mounted, dual bearing | - |
| Controls | - | IGBT Inverter Technology, air cooled, pressurized cabinet with filtration | - |
| Wheel Motor | - | Cat high-torque AC induction, rear axle mounted | - |
| Cooling System | - | Cat variable speed, hydraulically driven cooling system | - |
Capacity - HE Body - 100% fill factor |
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| Struck | - | 129-200 m³ (168-261 yd³) | - |
| Heaped (SAE 2:1) | - | 218-276 m³ (285-361 yd³) | - |
| Note | - | Contact your local Cat dealer for body recommendations. | - |
Engine - High Altitude Only |
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| Engine Model | - | Cat® C175-20 | - |
| Gross Power SAE J1995:2014 | - | 4150 HP | - |
| Net Power - SAE J1349:2011 | - | 4000 HP | - |
| Rated Speed | - | 1750 r/min | - |
| Emissions Rating | - | Fuel Optimized | - |
| Bore | - | 6.9 in | - |
| Stroke | - | 8.7 in | - |
| Displacement | - | 6469 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. | - |
| Note 2 | - | Additional fuel optimized selectable power rating: 2983 kW / 4,000 hp | - |
Dimensions (Approximate) |
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| Height - Top of ROPS | - | 22.1 ft | - |
| Overall Length | - | 51.44 ft | - |
| Wheel Base | - | 21.9 ft | - |
| Rear Axle - Tail | - | 16.07 ft | - |
| Dump Clearance - Empty | - | 5.72 ft | - |
| Loading Height - Empty | - | 25.54 ft | - |
| Overall Height - Body Raised | - | 48.85 ft | - |
| Centerline Front Tire Width | - | 23.06 ft | - |
| Front Axle Clearance - Loaded | - | 2.81 ft | - |
| Overall Canopy Width (with rock deflectors) | - | 33.15 ft | - |
| Outside Body/Canopy Width (without rock deflectors) | - | 31.62 ft | - |
| Inside Body Width | - | 29.44 ft | - |
| Front Canopy Height - Empty | - | 26.01 ft | - |
| Rear Axle Clearance - Loaded | - | 2.8 ft | - |
| Centerline of Rear Dual Tire Width | - | 19.5 ft | - |
| Overall Tire Width - Empty | - | 30.27 ft | - |
| Overall Length (High Altitude only) | - | 51.87 ft | - |
| Note | - | Dimensions listed includes canopy deflectors | - |
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 |
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