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    797F Mining Truck
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    772 (07) Off-Highway Truck
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    789 Next Generation
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    Weights - Approximate
    Nominal Rated Payload 400 ton (US) - - 213 ton (US)
    Rated Gross Machine Weight 1375000 lb - - 715000 lb
    Chassis Weight 474472 lb 59223 lb - -
    Body Weight 94799 lb 17306 lb 57779 lb 60406 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 full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. Chassis weight with full fuel and fluids, standard and 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 - -
    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
    Gross Power - SAE J1995 4000 HP 605 HP 1600 HP -
    Net Power - SAE J1349 3795 HP 550 HP 1509 HP -
    Engine Model Cat® C175-20 Cat® C18 Cat� 3512E Cat® 3516E
    Rated Speed 1750 r/min - - 1650 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 6.7 in 6.7 in
    Stroke 8.7 in 7.2 in 8.5 in 8.5 in
    Displacement 6469 in³ 1105 in³ 3573 in³ 4766 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) U.S. EPA Tier 4 Final available for applicable markets. - U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. Optional 1417 kW / 1,900 HP engine rating.
    Note (3) High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. - Additional fuel optimized selectable power ratings: 1,450 hp U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
    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 - -
    Emissions Rating - - Fuel Optimized Fuel Optimized
    Gross Power - SAE J1995:2014 - - - 2100 HP
    Net Power - SAE J1349:2011 - - - 1975 HP

    Body Hoists
    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 317 gal/min 112 gal/min 192.7 gal/min 106.5 gal/min
    Relief Valve Setting - Raise 3510 psi 2750 psi 2500 psi 2749 psi
    Body Raise Time - High Idle 25 s 8 s 15.2 s 14 s
    Body Lower Time - Float 18 s 10 s - 16 s
    Body Power Down- High Idle 18 s - 15.9 s -
    Relief Valve Setting - Lower - 500 psi - -
    Body Power Down - High Idle - 10 s - -
    Body Lower Time - Float High Idle - - 15.9 s -
    Body Lower Time - Float Low Idle - - 16.2 s -

    Suspension
    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 Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments
    Effective Cylinder Stroke - Front 3.9 in - 12.6 in 4.12 in
    Effective Cylinder Stroke - Rear 3.7 in - 6.5 in 3.67 in
    Rear axle - Oscillation ±3.96 degrees 8.9 ° +/- 5 degrees +/- 5 degrees
    Empty Loaded Cylinder Stroke Front - 9.2 in - -
    Empty Loaded Cylinder Stroke Rear - 5.8 in - -

    Service Refill Capacities
    Fuel Tank 1000 gal (US) 140 gal (US) 410 gal (US) 1000 gal (US)
    Fuel Tank (Tier 4) 1200 gal (US) - - 55 gal (US)
    Diesel Exhaust Fluid Tank 100 gal (US) - 36 gal (US) 62 gal (US)
    Cooling System 306 gal (US) 33 gal (US) 100 gal (US) 180 gal (US)
    Crankcase 103 gal (US) 17 gal (US) 54 gal (US) 77 gal (US)
    Front Wheels - Each 16 gal (US) - 8 gal (US) 5.8 gal (US)
    Differentials 330 gal (US) - - 161 gal (US)
    Steering Tank 67 gal (US) 14.5 gal (US) 29 gal (US) -
    Steering System - Including Tank 95 gal (US) 23 gal (US) - -
    Brake/Hoist Tank 203 gal (US) - 135 gal (US) -
    Brake Hoist System - Includes Tank 489 gal (US) - 160 gal (US) 347 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) 139 gal (US) -
    Torque Converter - Transmission System - 17 gal (US) - -
    Brake Hoist System - 60 gal (US) - 169 gal (US)
    DEF Tank - 6 gal (US) - -
    Brake/Hoist Hydraulic Tank - 38 gal (US) - -
    Steering System - Includes Tank - - 45 gal (US) 46 gal (US)
    Torque Converter - Transmission System - Including Sump - - 46 gal (US) 55 gal (US)
    Fuel Tank - Standard - - - 550 gal (US)
    Steering System - - - 42 gal (US)

    Weight Distributions - Approximate
    Front Axle - Empty 47.20% 51.4 % 48% 50%
    Rear Axle - Empty 52.80% 48.6 % 52% 50%
    Front Axle - Loaded 33.30% 34.2 % 33% 33%
    Rear Axle - Loaded 66.70% 65.8 % 67% 67%
    Note Weight distributions optimized with Cat body. - Weight distributions optimized with Cat body. -

    Final Drives
    Type Double reduction, planetary with full floating axles. - Double reduction, planetary with full floating axles. Double reduction, planetary with full floating axles
    Differential Ratio 1.276:1 2.74:1 2:10:01 2.35:1
    Planetary Ratio 16.67:1 4.80:1 10.83:1 10.83:1
    Total Reduction Ratio 21.26:1 13.14:1 22.75:1 25.46:1
    Note Double reduction, planetary with full floating axles. - - -

    Tires
    Tires 59/80 R63 - - -
    Rims 44" x 63" - 610 mm (24") Rims (standard). 660 mm (26") Rims (optional). 29” x 57” Rims
    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. Quick Change Rims optional
    Standard Tire - 21.00R33 (E4) 33.00R51 -
    Optional Tire - - 36.00R51 42/90 R57
    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.
    Standard Tires - - - 37 R57
    Optional Tires - - - 40 R57

    Braking System
    Service Brakes Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated - 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 12662 in²
    Rear - Wet Disc Brake Surface Area 30750 in² - 13908 in² 20861 in²
    Standards Service and Secondary: ISO 3450:2011 - 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 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
    Struck 225 yd³ / 172 m³ - - 77 m3(101 yd3)
    Heaped (SAE 2:1)* 330 yd³ / 252 m³ - - 143 m3(187 yd2)
    Note (1) Consult your local Cat dealer for body recommendations. - - Consult your local Cat dealer for body recommendations

    Cab
    Air Conditioning HFC - 134A refrigerant: 24,300 Btu/h - HFC - 134A refrigerant: 24,500 Btu/h (HFC - 134A refrigerant) 24,500 Btu/hr
    Heater / Defroster 38900 Btu/h - 33300 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. The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.
    ROPS Standards (2) ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. - - ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
    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 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.

    Steering
    Steering Angle 40 ° - - -
    Turning Diameter - Front 122.7 ft 57.7 ft - -
    Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
    Note Turning Diameter (ISO 7457:2009) - - -
    Steer Angle - 40.5 ° 36 ° 36.07 °
    Turning Circle - Clearance Diameter - 66.6 ft - -
    Turning Diameter - ISO 7457:1997 (33.00R51 tires) - - 97.75 ft -

    Transmission
    Forward - 1 6.6 mile/h 8 mile/h 7.5 mile/h 7.8 mile/h
    Forward - 2 8.9 mile/h 10.9 mile/h 10.2 mile/h 10.6 mile/h
    Forward - 3 12 mile/h 14.8 mile/h 13.8 mile/h 14.4 mile/h
    Forward - 4 16.2 mile/h 19.8 mile/h 18.6 mile/h 19.4 mile/h
    Forward - 5 21.8 mile/h 26.9 mile/h 25.2 mile/h 26.3 mile/h
    Forward - 6 29.4 mile/h 36.2 mile/h 34 mile/h 35.5 mile/h
    Forward - 7 39.5 mile/h 49.2 mile/h - -
    Reverse 7.4 mile/h 10.4 mile/h 6.8 mile/h 7.3 mile/h
    Top Speed - Loaded 39.5 mile/h - 34 mile/h 35.5 mile/h
    Note - - Maximum travel speeds with standard 33.00-R51 tires. -

    Dimensions
    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
    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
    Brake Surface - Front - 216 in² - -
    Brake Surface - Rear - 7794 in² - -
    Brake Standards - ISO 3450:1996 - -

    Capacity - Dual Slope - 100% Fill Factor
    Heaped 2:1 (SAE) - 40.8 yd³ - -
    Struck - 31.3 yd³ - -

    Capacity - Flat Floor - 100% Fill Factor
    Struck - 31.3 yd³ - -
    Heaped 2:1 (SAE) - 40.9 yd³ - -

    ROPS
    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
    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. - -

    Capacity - MSD II - 100% Fill Factor
    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.)
    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 -

    Dimensions (Approximate)
    Height - Top of ROPS - - - 5550 mm
    Overall Body Length - - - 12945 mm
    Inside Body Length - - - 8730 mm
    Overall Length - - - 12970 mm
    Wheel Base - - - 57000 mm
    Rear Axle - Tail - - - 3856 mm
    Ground Clearance - - - 1304 mm
    Dump Clearance - - - 1585 mm
    Loading Height - Empty - - - 6147 mm
    Rear Sidewall Height - - - 1010 mm
    Inside Body Depth - Maximum - - - 3075 mm
    Overall Height - Body Raised - - - 11534 mm
    Operating Width - - - 7822 mm
    Centerline Front Tire Width - - - 5410 mm
    Engine Guard Clearance - - - 1290 mm
    Overall Canopy Width - - - 7769 mm
    Outside Body Width - - - 7123 mm
    Inside Body Width - - - 6920 mm
    Front Canopy Height - - - 6739 mm
    Rear Axle - Clearance - - - 1263 mm
    Centerline of Rear Dual Tire Width - - - 4695 mm
    Overall Tire Width - - - 7120 mm
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