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 797F Mining Truck |
 772 (07) Off-Highway Truck |
 793F Mining Truck |
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Weights - Approximate |
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| Nominal Rated Payload | 400 ton (US) | - | 256 ton (US) |
| Rated Gross Machine Weight | 1375000 lb | - | 851000 lb |
| Chassis Weight | 474472 lb | 59223 lb | 265639 lb |
| Body Weight | 94799 lb | 17306 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 (4) | Tier 4 Chassis Weight: 486263 lb (220565 kg) | - | - |
| Target Gross Machine Operating Weight | - | 181000 lb | - |
| Target Gross Machine Weight | - | 181000 lb | - |
| Note (3) | - | - | Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations. |
Engine |
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| Gross Power - SAE J1995 | 4000 HP | 605 HP | 2650 HP |
| Net Power - SAE J1349 | 3795 HP | 550 HP | 2478 HP |
| Engine Model | Cat® C175-20 | Cat® C18 | Cat® C175-16 |
| Rated Speed | 1750 r/min | - | 1750 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. | - | Fuel Optimized |
| Bore | 6.9 in | 5.7 in | 6.9 in |
| Stroke | 8.7 in | 7.2 in | 8.7 in |
| Displacement | 6469 in³ | 1105 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. | - | 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) | U.S. EPA Tier 4 Final available for applicable markets. | - | EPA Tier 4 Final / EU Stage V available for applicable markets. |
| Note (3) | High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. | - | - |
| 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 | - |
Body Hoists |
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| Type | Twin, two-stage hydraulic cylinders with snubbing valve. | - | Twin, two-stage hydraulic cylinders with snubbing valve |
| Pump Flow - High Idle | 317 gal/min | 112 gal/min | 224 gal/min |
| Relief Valve Setting - Raise | 3510 psi | 2750 psi | 2955 psi |
| Body Raise Time - High Idle | 25 s | 8 s | 19 s |
| Body Lower Time - Float | 18 s | 10 s | 20 s |
| Body Power Down- High Idle | 18 s | - | - |
| Relief Valve Setting - Lower | - | 500 psi | - |
| Body Power Down - High Idle | - | 10 s | 17.5 s |
Suspension |
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| Type | Self-contained nitrogen/oil cylinders, rear strut 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 |
| Effective Cylinder Stroke - Front | 3.9 in | - | 5.1 in |
| Effective Cylinder Stroke - Rear | 3.7 in | - | 4.2 in |
| Rear axle - Oscillation | ±3.96 degrees | 8.9 ° | ±4.9 degrees |
| Empty Loaded Cylinder Stroke Front | - | 9.2 in | - |
| Empty Loaded Cylinder Stroke Rear | - | 5.8 in | - |
Service Refill Capacities |
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| Fuel Tank | 1000 gal (US) | 140 gal (US) | 750 gal (US) |
| Fuel Tank (Tier 4) | 1200 gal (US) | - | - |
| Diesel Exhaust Fluid Tank | 100 gal (US) | - | 62 gal (US) |
| Cooling System | 306 gal (US) | 33 gal (US) | 284 gal (US) |
| Crankcase | 103 gal (US) | 17 gal (US) | 82 gal (US) |
| Front Wheels - Each | 16 gal (US) | - | - |
| Differentials | 330 gal (US) | - | - |
| Steering Tank | 67 gal (US) | 14.5 gal (US) | - |
| Steering System - Including Tank | 95 gal (US) | 23 gal (US) | 77 gal (US) |
| Brake/Hoist Tank | 203 gal (US) | - | - |
| Brake Hoist System - Includes Tank | 489 gal (US) | - | 347 gal (US) |
| Torque Converter Sump | 80 gal (US) | - | - |
| Torque Converter/Transmission System - Including Sump | 166 gal (US) | - | 55 gal (US) |
| Note (1) | DEF Tank only available for EPA Tier 4 engine option. | - | DEF Tank only available for EPA Tier 4 engine option. |
| Differential - Final Drives | - | 47 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) | - |
| Fuel Tank - Optional | - | - | 1300 gal (US) |
| Rear Axle - Housing | - | - | 260 gal (US) |
| Torque Converter - Transmission Sump | - | - | 27 gal (US) |
Weight Distributions - Approximate |
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| Front Axle - Empty | 47.20% | 51.4 % | 48 % |
| Rear Axle - Empty | 52.80% | 48.6 % | 52 % |
| Front Axle - Loaded | 33.30% | 34.2 % | 33 % |
| Rear Axle - Loaded | 66.70% | 65.8 % | 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 | 2.74:1 | 1.8:1 |
| Planetary Ratio | 16.67:1 | 4.80:1 | 16:01 |
| Total Reduction Ratio | 21.26:1 | 13.14:1 | 26.8:1 |
| Note | Double reduction, planetary with full floating axles. | - | - |
Tires |
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| Tires | 59/80 R63 | - | - |
| Rims | 44" x 63" | - | 29" or 32" |
| Note | Quick Change Rims optional. | - | 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. | - | Extended life wheel stations optional. |
| Standard Tire | - | 21.00R33 (E4) | - |
| Standard Tires | - | - | 40.00 R57 |
| 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 | - | 13921 in³ |
| Rear - Wet Disc Brake Surface Area | 30750 in² | - | 20847 in³ |
| Standards | Service and Secondary: 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 |
| Note | Anti-Lock Brake System (ABS) optional with CMD package | - | Anti-Lock Brake System (ABS) optional with CMD package |
| Parking Brakes | - | - | Four-corner, Multi-disc, Spring Applied, Hydraulically Released |
Capacity - HP Body - 100% Fill Factor |
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| Struck | 225 yd³ / 172 m³ | - | 112.6-151 m³ (147-197.5 yd³) |
| Heaped (SAE 2:1)* | 330 yd³ / 252 m³ | - | 162-191 m³ (212-250 yd³) |
| Note (1) | Consult your local Cat dealer for body recommendations. | - | Contact your local Cat dealer for body recommendation. |
| Note (2) | - | - | *ISO 6483:1980 |
Cab |
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| Air Conditioning | HFC - 134A refrigerant: 24,300 Btu/h | - | Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr |
| Heater / Defroster | 38900 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 -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. | - | The operator sound pressure level, 76 dB(A), complies with ISO 6394 and ISO 6396. |
| 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 3449:1992 Level II criteria. |
Steering |
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| Steering Angle | 40 ° | - | - |
| Turning Diameter - Front | 122.7 ft | 57.7 ft | 93.2 ft |
| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | SAE J15111 OCT90, ISO 5010:1992 |
| Note | Turning Diameter (ISO 7457:2009) | - | - |
| Steer Angle | - | 40.5 ° | 36 ° |
| Turning Circle - Clearance Diameter | - | 66.6 ft | - |
Transmission |
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| Forward - 1 | 6.6 mile/h | 8 mile/h | 8 mile/h |
| Forward - 2 | 8.9 mile/h | 10.9 mile/h | 10.8 mile/h |
| Forward - 3 | 12 mile/h | 14.8 mile/h | 14.8 mile/h |
| Forward - 4 | 16.2 mile/h | 19.8 mile/h | 19.9 mile/h |
| Forward - 5 | 21.8 mile/h | 26.9 mile/h | 27.1 mile/h |
| Forward - 6 | 29.4 mile/h | 36.2 mile/h | 37.3 mile/h |
| Forward - 7 | 39.5 mile/h | 49.2 mile/h | - |
| Reverse | 7.4 mile/h | 10.4 mile/h | 7.3 mile/h |
| Top Speed - Loaded | 39.5 mile/h | - | 37.3 mile/h |
Dimensions |
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| Rear Axle - Clearance - Loaded | 3.08 ft | - | - |
| Inside Body Depth - Maximum | 11 ft | 5.7 ft | - |
| Overall Height - Body Raised | 51.5 ft | 27.1 ft | - |
| Loaded Ground Clearance | 2.58 ft | - | - |
| Loading Height - Empty | 23 ft | 11.6 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 | 26.8 ft | - |
| Inside Body Length | 32.75 ft | 19 ft | - |
| Overall Length | 49.5 ft | 28.9 ft | - |
| Wheel Base | 23.58 ft | 13 ft | - |
| Rear Axle - Tail | 12.9 ft | 9.5 ft | - |
| Dump Clearance | 6.58 ft | 1.5 ft | - |
| Centerline Front Tire Width | 21.41 ft | 10.4 ft | - |
| Overall Canopy Width | 29.91 ft | - | - |
| Outside Body Width | 32 ft | 12.9 ft | - |
| Inside Body Width | 27.91 ft | 11.9 ft | - |
| Centerline of Rear Dual Tire Width | 20.41 ft | 8.7 ft | - |
| Overall Tire Width | 31.25 ft | 12.9 ft | - |
| Height - Top of ROPS | - | 12.8 ft | - |
| Ground Clearance | - | 1.6 ft | - |
| Operating Width | - | 15.7 ft | - |
| Engine Guard Clearance | - | 2 ft | - |
| Front Canopy Height | - | 13.7 ft | - |
| Rear Axle - Clearance | - | 1.9 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 | - |
Brakes |
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| Brake Surface - Front | - | 216 in² | 13921 in² |
| Brake Surface - Rear | - | 7794 in² | 20847 in² |
| Brake Standards | - | ISO 3450:1996 | - |
| Standards | - | - | J-ISO 3450 JAN88, ISO 3450:1996 |
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. | FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria. |
| ROPS Standards | - | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:1994 ROPS criteria. |
Sound |
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| 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. | - |
| Sound Standards (2) | - | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). | - |
| Sound Standards (1) | - | Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. | 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. |
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. |
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