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797F Mining Truck |
772 (07) Off-Highway Truck |
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Weights - Approximate |
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Nominal Rated Payload | 400 ton (US) | - | - |
Rated Gross Machine Weight | 1375000 lb | - | - |
Chassis Weight | 474472 lb | 59223 lb | - |
Body Weight | 94799 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 (4) | Tier 4 Chassis Weight: 486263 lb (220565 kg) | - | - |
Target Gross Machine Operating Weight | - | 181000 lb | - |
Target Gross Machine Weight | - | 181000 lb | - |
Engine |
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Gross Power - SAE J1995 | 4000 HP | 605 HP | - |
Net Power - SAE J1349 | 3795 HP | 550 HP | - |
Engine Model | Cat® C175-20 | Cat® C18 | - |
Rated Speed | 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. | - | - |
Bore | 6.9 in | 5.7 in | - |
Stroke | 8.7 in | 7.2 in | - |
Displacement | 6469 in³ | 1105 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) | U.S. EPA Tier 4 Final 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. | - | - |
Pump Flow - High Idle | 317 gal/min | 112 gal/min | - |
Relief Valve Setting - Raise | 3510 psi | 2750 psi | - |
Body Raise Time - High Idle | 25 s | 8 s | - |
Body Lower Time - Float | 18 s | 10 s | - |
Body Power Down- High Idle | 18 s | - | - |
Relief Valve Setting - Lower | - | 500 psi | - |
Body Power Down - High Idle | - | 10 s | - |
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 | 8.9 ° | - |
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) | - |
Fuel Tank (Tier 4) | 1200 gal (US) | - | - |
Diesel Exhaust Fluid Tank | 100 gal (US) | - | - |
Cooling System | 306 gal (US) | 33 gal (US) | - |
Crankcase | 103 gal (US) | 17 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) | - |
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. | - | - |
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) | - |
Weight Distributions - Approximate |
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Front Axle - Empty | 47.20% | 51.4 % | - |
Rear Axle - Empty | 52.80% | 48.6 % | - |
Front Axle - Loaded | 33.30% | 34.2 % | - |
Rear Axle - Loaded | 66.70% | 65.8 % | - |
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 | - |
Planetary Ratio | 16.67:1 | 4.80:1 | - |
Total Reduction Ratio | 21.26:1 | 13.14:1 | - |
Note | Double reduction, planetary with full floating axles. | - | - |
Tires |
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Tires | 59/80 R63 | - | - |
Rims | 44" 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. | - | - |
Standard Tire | - | 21.00R33 (E4) | - |
Braking System |
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Service Brakes | Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | - | - |
Front Wet Disc Brake Surface Area | 20500 in² | - | - |
Rear - Wet Disc Brake Surface Area | 30750 in² | - | - |
Standards | Service and Secondary: ISO 3450:2011 | - | - |
Parking Brake | Four-corner, Multi-disc, Spring Applied, Hydraulically Released | - | - |
Load Brake | Rear service brakes | - | - |
Note | Anti-Lock Brake System (ABS) optional with CMD package | - | - |
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. | - | - |
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. | - | - |
Steering |
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Steering Angle | 40 ° | - | - |
Turning Diameter - Front | 122.7 ft | 57.7 ft | - |
Steering Standards | ISO 5010:2007 | ISO 5010:2007 | - |
Note | Turning Diameter (ISO 7457:2009) | - | - |
Steer Angle | - | 40.5 ° | - |
Turning Circle - Clearance Diameter | - | 66.6 ft | - |
Transmission |
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Forward - 1 | 6.6 mile/h | 8 mile/h | - |
Forward - 2 | 8.9 mile/h | 10.9 mile/h | - |
Forward - 3 | 12 mile/h | 14.8 mile/h | - |
Forward - 4 | 16.2 mile/h | 19.8 mile/h | - |
Forward - 5 | 21.8 mile/h | 26.9 mile/h | - |
Forward - 6 | 29.4 mile/h | 36.2 mile/h | - |
Forward - 7 | 39.5 mile/h | 49.2 mile/h | - |
Reverse | 7.4 mile/h | 10.4 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 | 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 | - |
Brake Surface - Rear | - | 7794 in² | - |
Brake Standards | - | 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. | - |
ROPS Standards | - | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 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. | - |
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