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    797F Mining Truck
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    798 AC Electric Drive Mining Truck
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    Weights - Approximate
    Nominal Rated Payload 400 ton (US) - 410 ton (US)
    Rated Gross Machine Weight 1375000 lb - 1375000 lb
    Chassis Weight 474472 lb - 453826 lb
    Body Weight 94799 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 100% fuel, hoist, body mounting group, rims, and tires.
    Note (4) Tier 4 Chassis Weight: 486263 lb (220565 kg) - -
    Body Weight Range - - 38 833 - 43 275 kg (85,611 - 95,406 lb)
    Note (3) - - Body weight varies depending on how body is equipped.

    Engine
    Gross Power - SAE J1995 4000 HP 825 HP 3500 HP
    Net Power - SAE J1349 3795 HP - 3405 HP
    Engine Model Cat® C175-20 Cat® C27 Cat® C175-16
    Rated Speed 1750 r/min - 1800 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 5.4 in 6.9 in
    Stroke 8.7 in 6 in 8.7 in
    Displacement 6469 in³ 1648 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. - 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: 2312 kW / 3,100 hp
    Rated Net Power - SAE J1349 - 683 HP -
    Note - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Specifications shown are for LRC model. -
    Optional Gross Power - SAE J1995 - - 3100 HP
    Emissions Rating - - Fuel Optimized

    Body Hoists
    Type Twin, two-stage hydraulic cylinders with snubbing valve. - Twin, two-stage hydraulic cylinders with snubbing valve.
    Pump Flow - High Idle 317 gal/min - 257.3 gal/min
    Relief Valve Setting - Raise 3510 psi - 3029 psi
    Body Raise Time - High Idle 25 s - 21 s
    Body Lower Time - Float 18 s - 22 s
    Body Power Down- High Idle 18 s - 17.5 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.

    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
    Effective Cylinder Stroke - Front 3.9 in - 10 in
    Effective Cylinder Stroke - Rear 3.7 in - 5 in
    Rear axle - Oscillation ±3.96 degrees - -

    Service Refill Capacities
    Fuel Tank 1000 gal (US) - 1300 gal (US)
    Fuel Tank (Tier 4) 1200 gal (US) - 1200 gal (US)
    Diesel Exhaust Fluid Tank 100 gal (US) - 100 gal (US)
    Cooling System 306 gal (US) 45 gal (US) 211 gal (US)
    Crankcase 103 gal (US) 24 gal (US) 82 gal (US)
    Front Wheels - Each 16 gal (US) - -
    Differentials 330 gal (US) - -
    Steering Tank 67 gal (US) - -
    Steering System - Including Tank 95 gal (US) 14 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. - DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option
    Fuel Tank Capacity - 210 gal (US) -
    Differential - Final Drives - 38 gal (US) -
    Brake/Hoist Hydraulic Tank - 46.5 gal (US) -
    Brake Hoist System - 85 gal (US) -
    Final Drive - Each - - 67 gal (US)
    Hydraulic System - Including Tank - - 385 gal (US)
    Hydraulic Tank - - 296 gal (US)
    Grease Tank - - 90 lb

    Weight Distributions - Approximate
    Front Axle - Empty 47.20% - 47 %
    Rear Axle - Empty 52.80% - 53 %
    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
    Type Double reduction, planetary with full floating axles. - -
    Differential Ratio 1.276:1 - -
    Planetary Ratio 16.67:1 - -
    Total Reduction Ratio 21.26:1 - -
    Note Double reduction, planetary with full floating axles. - -

    Tires
    Tires 59/80 R63 - -
    Rims 44" x 63" - 44" x 63" 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.
    Standard Tires - - 59/80 R63
    Note (2) - - Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.

    Braking System
    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 - 22642 in²
    Rear - Wet Disc Brake Surface Area 30750 in² - 32730 in²
    Standards Service and Secondary: ISO 3450:2011 - Service and Secondary: ISO 3450:2011
    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
    Electric Retarding - - Radial Grid Design
    Dynamic Retarding Power - Continuous - - 5480 HP
    Parking Brakes - - Four-corner, Multi-disc, Spring Applied, Hydraulically Released

    Capacity - HP Body - 100% Fill Factor
    Struck 225 yd³ / 172 m³ - -
    Heaped (SAE 2:1)* 330 yd³ / 252 m³ - -
    Note (1) Consult your local Cat dealer for body recommendations. - -

    Cab
    Air Conditioning HFC - 134A refrigerant: 24,300 Btu/h - HFC - 134A refrigerant: 21,600 Btu/h
    Heater / Defroster 38900 Btu/h - 24600 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.
    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
    Steering Angle 40 ° - -
    Turning Diameter - Front 122.7 ft - 106.3 ft
    Steering Standards ISO 5010:2007 ISO 5010:2007 Steering Standards: ISO 5010:2007
    Note Turning Diameter (ISO 7457:2009) - Turning Diameter (ISO 7457:1997)
    Steer Angle - 31 ° 39 °
    Turning Diameter - 77.1 ft -
    Turning Circle - Clearance Diameter - 85.6 ft -

    Transmission
    Forward - 1 6.6 mile/h 6.6 mile/h -
    Forward - 2 8.9 mile/h 9.3 mile/h -
    Forward - 3 12 mile/h 12.6 mile/h -
    Forward - 4 16.2 mile/h 16.8 mile/h -
    Forward - 5 21.8 mile/h 22.8 mile/h -
    Forward - 6 29.4 mile/h 30.7 mile/h -
    Forward - 7 39.5 mile/h 41.6 mile/h -
    Reverse 7.4 mile/h 8.7 mile/h -
    Top Speed - Loaded 39.5 mile/h - -
    Note - Maximum travel speeds with standard 24.00R35 (E4) tires -

    Dimensions
    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 - -

    Weights
    LRC Bare Chassis Weight without Hoist - 75118 lb -
    LRC Bare Chassis Weight with Hoist - 76326 lb -
    LRC Gross Vehicle Weight (Target) without Hoist - 246503 lb -
    LRC Gross Vehicle Weight (Target) with Hoist - 246503 lb -
    HRC Bare Chassis Weight without Hoist - 76573 lb -
    HRC Bare Chassis Weight with Hoist - 77781 lb -
    HRC Gross Vehicle Weight (Target) without Hoist - 246503 lb -
    HRC Gross Vehicle Weight (Target) with Hoist - 246503 lb -
    Note - LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. -

    ROPS
    Tractor ROPS - 85288 lb -

    Operating Specifications
    Nominal Water Tank Capacity - 15000 gal (US) -

    Brakes
    Brake Surface - Front - 257 in² -
    Brake Surface - Rear - 9497 in² -

    Service Refill Capacities - High Altitude Only
    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
    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
    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
    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)
    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

    Sound
    Sound Standards - - The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.
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