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797F Mining Truck |
785 Mining Truck (LRC, Tier 4 Final / EU Stage V) |
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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 | - | - |
Body Weight | 94799 lb | 57779 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) | - | - |
Nominal Rated Payload (33.00R51 Tires) | - | 153 ton (US) | - |
Rated Gross Machine Weight (33.00R51 tires) | - | 550000 lb | - |
Nominal Rated Payload (36.00R51 Tires) | - | 157 ton (US) | - |
Rated Gross Machine Weight (36.00R51 tires) | - | 564000 lb | - |
Chassis Weight (33.00R51 Tires) | - | 186799 lb | - |
Chassis Weight (36.00R51 Tires) | - | 193192 lb | - |
Note (3) | - | Body weight varies depending on body selection and configuration. | - |
Engine |
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Gross Power - SAE J1995 | 4000 HP | 1600 HP | - |
Net Power - SAE J1349 | 3795 HP | 1509 HP | - |
Engine Model | Cat® C175-20 | Cat� 3512E | - |
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 | 6.7 in | - |
Stroke | 8.7 in | 8.5 in | - |
Displacement | 6469 in³ | 3573 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. | U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. | - |
Note (3) | High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. | Additional fuel optimized selectable power ratings: 1,450 hp | - |
Emissions Rating | - | Fuel Optimized | - |
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 | 192.7 gal/min | - |
Relief Valve Setting - Raise | 3510 psi | 2500 psi | - |
Body Raise Time - High Idle | 25 s | 15.2 s | - |
Body Lower Time - Float | 18 s | - | - |
Body Power Down- High Idle | 18 s | 15.9 s | - |
Body Lower Time - Float High Idle | - | 15.9 s | - |
Body Lower Time - Float Low Idle | - | 16.2 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 | 12.6 in | - |
Effective Cylinder Stroke - Rear | 3.7 in | 6.5 in | - |
Rear axle - Oscillation | ±3.96 degrees | +/- 5 degrees | - |
Service Refill Capacities |
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Fuel Tank | 1000 gal (US) | 410 gal (US) | - |
Fuel Tank (Tier 4) | 1200 gal (US) | - | - |
Diesel Exhaust Fluid Tank | 100 gal (US) | 36 gal (US) | - |
Cooling System | 306 gal (US) | 100 gal (US) | - |
Crankcase | 103 gal (US) | 54 gal (US) | - |
Front Wheels - Each | 16 gal (US) | 8 gal (US) | - |
Differentials | 330 gal (US) | - | - |
Steering Tank | 67 gal (US) | 29 gal (US) | - |
Steering System - Including Tank | 95 gal (US) | - | - |
Brake/Hoist Tank | 203 gal (US) | 135 gal (US) | - |
Brake Hoist System - Includes Tank | 489 gal (US) | 160 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 | - | 139 gal (US) | - |
Steering System - Includes Tank | - | 45 gal (US) | - |
Torque Converter - Transmission System - Including Sump | - | 46 gal (US) | - |
Weight Distributions - Approximate |
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Front Axle - Empty | 47.20% | 48% | - |
Rear Axle - Empty | 52.80% | 52% | - |
Front Axle - Loaded | 33.30% | 33% | - |
Rear Axle - Loaded | 66.70% | 67% | - |
Note | Weight distributions optimized with Cat body. | Weight distributions optimized with Cat body. | - |
Final Drives |
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Type | Double reduction, planetary with full floating axles. | Double reduction, planetary with full floating axles. | - |
Differential Ratio | 1.276:1 | 2:10:01 | - |
Planetary Ratio | 16.67:1 | 10.83:1 | - |
Total Reduction Ratio | 21.26:1 | 22.75:1 | - |
Note | Double reduction, planetary with full floating axles. | - | - |
Tires |
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Tires | 59/80 R63 | - | - |
Rims | 44" x 63" | 610 mm (24") Rims (standard). 660 mm (26") Rims (optional). | - |
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 Tire | - | 33.00R51 | - |
Optional Tire | - | 36.00R51 | - |
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 | 9487 in² | - |
Rear - Wet Disc Brake Surface Area | 30750 in² | 13908 in² | - |
Standards | Service and Secondary: ISO 3450:2011 | Service and Secondary: 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 | - | - |
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 | HFC - 134A refrigerant: 24,500 Btu/h | - |
Heater / Defroster | 38900 Btu/h | 33300 Btu/h | - |
Note | Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning. | The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008. | - |
ROPS Standards (1) | The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008. | ROPS (Rollover Protective Structure) meets ISO 3471:2008 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. | FOPS (Falling Objects Protective Structure) 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) | - | - |
Steer Angle | - | 36 ° | - |
Turning Diameter - ISO 7457:1997 (33.00R51 tires) | - | 97.75 ft | - |
Transmission |
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Forward - 1 | 6.6 mile/h | 7.5 mile/h | - |
Forward - 2 | 8.9 mile/h | 10.2 mile/h | - |
Forward - 3 | 12 mile/h | 13.8 mile/h | - |
Forward - 4 | 16.2 mile/h | 18.6 mile/h | - |
Forward - 5 | 21.8 mile/h | 25.2 mile/h | - |
Forward - 6 | 29.4 mile/h | 34 mile/h | - |
Forward - 7 | 39.5 mile/h | - | - |
Reverse | 7.4 mile/h | 6.8 mile/h | - |
Top Speed - Loaded | 39.5 mile/h | 34 mile/h | - |
Note | - | Maximum travel speeds with standard 33.00-R51 tires. | - |
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 | - | - |
Capacity - MSD II - 100% Fill Factor |
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Struck | - | 72 m^3 / 94 yd^3 | - |
Heaped (SAE 2:1) | - | 99 m^3 / 129 yd^3 | - |
Note | - | Consult your local Cat dealer for body recommendations. | - |
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.) |
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Height - Top of ROPS | - | 17.09 ft | - |
Overall Body Length | - | 39.32 ft | - |
Inside Body Length | - | 27.29 ft | - |
Overall Length | - | 39.23 ft | - |
Wheel Base | - | 17 ft | - |
Rear Axle - Tail | - | 12.56 ft | - |
Ground Clearance | - | 3.29 ft | - |
Dump Clearance | - | 3.7 ft | - |
Loading Height - Empty | - | 17.39 ft | - |
Inside Body Depth - Maximum | - | 9.15 ft | - |
Overall Height - Body Raised | - | 39.48 ft | - |
Operating Width | - | 24.72 ft | - |
Centerline Front Tire Width | - | 15.91 ft | - |
Engine Guard Clearance | - | 3.41 ft | - |
Overall Canopy Width | - | 24.81 ft | - |
Outside Body Width | - | 22 ft | - |
Inside Body Width | - | 19.72 ft | - |
Front Canopy Height | - | 19.8 ft | - |
Rear Axle - Clearance | - | 3.25 ft | - |
Centerline of Rear Dual Tire Width | - | 14.06 ft | - |
Overall Tire Width | - | 20.59 ft | - |
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