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    794 AC Mining Truck
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    Weights - Approximate
    Nominal Rated Payload 327 ton (US) 410 ton (US) -
    Rated Gross Machine Weight 1150000 lb 1375000 lb -
    Chassis Weight 426237 lb 453826 lb 55948 lb
    Body Weight 64346 lb - 17306 lb
    Note (1) Consult your tire manufacturer for maximum tire load. Consult your tire manufacturer for maximum tire load. Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
    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. Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.
    Note (3) Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations. Body weight varies depending on how body is equipped. -
    Note (4) Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg) - -
    Body Weight Range - 38 833 - 43 275 kg (85,611 - 95,406 lb) -
    Target Gross Machine Operating Weight - - 157000 lb
    Target Gross Machine Weight - - 157000 lb

    Engine
    Gross Power - SAE J1995 3500 HP 3500 HP 515 HP
    Standard Gross Power - SAE J1995 3500 HP - -
    Engine Model Cat® C175-16 Cat® C175-16 Cat® C15
    Optional Gross Power - SAE J1995 3100 HP 3100 HP -
    Optional Gross Power - SAE J1995 (Option 2) 2750 HP - -
    Rated Speed 1800 r/min 1800 r/min -
    Net Power - SAE J1349 3405 HP 3405 HP 477 HP
    Emissions Rating Fuel Optimized Fuel Optimized -
    Bore 6.9 in 6.9 in 5.4 in
    Stroke 8.7 in 8.7 in 6.7 in
    Displacement 5187 in³ 5187 in³ 927.6 in³
    Note (1) Contact factory for high altitude configuration. Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
    Note (2) Tier 4 / EU Stage V option available for regions that require these emissions standards. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
    Note (3) Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW) Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp No engine derating required up to 3000 m (9,843 ft) altitude.
    Rated Engine Speed - - 1700 r/min
    Net Power - ISO 9249 - - 477 HP
    Net Power - 80/1269/EEC - - 489 HP
    Net Power - ISO 14396 - - 508 HP
    Net Torque - SAE J1349 - - 1834 ft·lbf
    Number of Cylinders - - 6
    Note (4) - - Meets Japan Small Volume Exemption.
    Emissions - - Meets U.S. EPA Tier 4 and EU Stage V emission standards.

    Final Drives
    Total Reduction Ratio 35:01:00 - 9.26:1
    Differential Ratio - - 1.92:1
    Planetary Ratio - - 4.80:1

    Tires
    Standard Tires 53/80 R63 59/80 R63 -
    Rims 36" x 63" 44" x 63" Rims -
    Note (1) Quick Change Rims optional. Quick Change Rims optional. Productive capabilities of the 770G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
    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. Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
    Standard Tire - - 18.00R33 (E4)

    AC Drive System
    Total Reduction Ratio 35:01:00 35:01:00 -
    Top Speed - Loaded 37 mile/h 40 mile/h -
    Generator/Alternator Brushless, engine mounted, dual bearing Brushless, engine mounted, dual bearing -
    Controls IGBT Inverter Technology, air cooled, pressurized cabinet with filtration IGBT Inverter Technology, air cooled, pressurized cabinet with filtration -
    Wheel Motor High-torque AC induction, rear axle mounted Cat high-torque AC induction, rear axle mounted -
    Cooling System Variable speed, hydraulically driven cooling system Cat variable speed, hydraulically driven cooling system -

    Braking System
    Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated -
    Front Wet Disc Brake Surface Area 20378 in² 22642 in² -
    Rear - Wet Disc Brake Surface Area 30750 in² 32730 in² -
    Standards 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 -
    Dynamic Retarding Power - Continuous 5480 HP 5480 HP -
    Electric Retarding - Radial Grid Design -
    Parking Brakes - Four-corner, Multi-disc, Spring Applied, Hydraulically Released -
    Note - Anti-Lock Brake System (ABS) optional with CMD package -

    Weight Distributions - Approximate
    Front Axle - Empty 49 % 47 % 49 %
    Rear Axle - Empty 51 % 53 % 51 %
    Front Axle - Loaded 33 % 33 % 34 %
    Rear Axle - Loaded 67 % 67 % 66 %
    Note - Weight distributions optimized with Cat body. -

    Body Hoists
    Pump Flow - High Idle (HAA at 1,800 rpm) 221 gal/min - -
    Pump Flow - High Idle (LAA at 1,960 rpm) 240 gal/min - -
    Relief Valve Setting - Raise 3029 psi 3029 psi 2750 psi
    Body Raise Time - High Idle 24 s 21 s 7.5 s
    High Idle Body Lower Time - Float 20 s - -
    Total Cycle Time 44 s - -
    Note (1) Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages. Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages. -
    Note (2) Power raise in both stages; power down in both stages possible. Power raise in both stages; power down capability in both stages. -
    Note (3) Automatic body-lower modulation reduces impact on frame. Automatic body-lower modulation reduces impact on frame. -
    Type - Twin, two-stage hydraulic cylinders with snubbing valve. -
    Pump Flow - High Idle - 257.3 gal/min 118 gal/min
    Body Lower Time - Float - 22 s 10 s
    Body Power Down- High Idle - 17.5 s -
    Relief Valve Setting - Lower - - 500 psi
    Body Power Down - High Idle - - 10 s

    Capacity - HE Body - 100% fill factor
    Struck 108-133 m³ (142-175 yd³) 129-200 m³ (168-261 yd³) -
    Heaped (SAE 2:1) 180-222 m³ (236-290 yd³) 218-276 m³ (285-361 yd³) -
    Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate 0.63 in - -
    Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate 0.35 in - -
    Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate 0.31 in - -
    Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate 0.2 in - -
    Note Contact your local Cat dealer for body recommendations. Contact your local Cat dealer for body recommendations. -

    Service Refill Capacities
    Fuel Tank 1300 gal (US) 1300 gal (US) 140 gal (US)
    Cooling System 211 gal (US) 211 gal (US) 33 gal (US)
    Crankcase 82 gal (US) 82 gal (US) 17 gal (US)
    Final Drive - Each 67 gal (US) 67 gal (US) -
    Hydraulic Tank 296 gal (US) 296 gal (US) -
    Hydraulic System - Including Tank 385 gal (US) 385 gal (US) -
    Diesel Exhaust Fluid Tank 100 gal (US) 100 gal (US) -
    Note (1) DEF Tank only available for EPA Tier 4 / EU Stage V engine option. DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option -
    Fuel Tank (Tier 4) - 1200 gal (US) -
    Grease Tank - 90 lb -
    Differential - Final Drives - - 47 gal (US)
    Steering Tank - - 14.5 gal (US)
    Steering System - Including Tank - - 23 gal (US)
    Brake/Hoist Hydraulic Tank - - 38 gal (US)
    Brake Hoist System - - 60 gal (US)
    Torque Converter - Transmission System - - 17 gal (US)
    DEF Tank - - 6 gal (US)

    Dimensions (Approximate)
    Height - Top of ROPS 22.25 ft 22.1 ft -
    Overall Length 50.75 ft 51.44 ft -
    Wheel Base 21.83 ft 21.9 ft -
    Rear Axle - Tail 15.5 ft 16.07 ft -
    Ground Clearance 2.67 ft - -
    Dump Clearance 3 ft - -
    Loading Height - Empty 22.92 ft 25.54 ft -
    Overall Height - Body Raised 48.42 ft 48.85 ft -
    Centerline Front Tire Width 23 ft 23.06 ft -
    Front Axle Clearance 3.17 ft - -
    Canopy Width (without optional rock deflectors) 29.75 ft - -
    Outside Body Width 29.75 ft - -
    Inside Body Width 28.08 ft 29.44 ft -
    Front Canopy Height 26.33 ft - -
    Rear Axle - Clearance 3.08 ft - -
    Centerline of Rear Dual Tire Width 18.75 ft 19.5 ft -
    Overall Tire Width 28.67 ft - -
    Overall Canopy Width 31.5 ft - -
    Dump Clearance - Empty - 5.72 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 -
    Front Canopy Height - Empty - 26.01 ft -
    Rear Axle Clearance - Loaded - 2.8 ft -
    Overall Tire Width - Empty - 30.27 ft -
    Overall Length (High Altitude only) - 51.87 ft -
    Note - Dimensions listed includes canopy deflectors -

    Cab
    ROPS Standards (1) Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer. ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. -
    FOPS Standards Falling Object Protective Structure (FOPS) 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. -
    Air Conditioning - HFC - 134A refrigerant: 21,600 Btu/h -
    Heater / Defroster - 24600 Btu/h -
    Note - Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning. -

    Sound
    Sound Standards (1) The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 75 dB(A) for cab offered by Caterpillar when properly installed, maintained, and tested with doors and windows closed. - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
    Sound Standards (2) 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. - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
    Sound Standards - The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008. -
    Sound Standards (3) - - Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.

    Steering
    Steering Standards ISO 5010:2007 Steering Standards: ISO 5010:2007 ISO 5010:2007
    Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). Turning Diameter (ISO 7457:1997) Target gross machine operating weight is 71 214 kg (157,000 lb).
    Steer Angle 39 ° 39 ° 40.5 °
    Turning Diameter - Front - 106.3 ft 57.7 ft
    Turning Circle - Clearance Diameter - - 66.6 ft

    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) -

    Suspension
    Type - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments -
    Effective Cylinder Stroke - Front - 10 in -
    Effective Cylinder Stroke - Rear - 5 in -
    Empty Loaded Cylinder Stroke Front - - 9.2 in
    Empty Loaded Cylinder Stroke Rear - - 5.9 in
    Rear axle - Oscillation - - 8.9 °

    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 -

    Operating Specifications
    Nominal Payload Class (100%) - - 42.1 ton (US)
    Top Speed - Loaded - - 45.8 mile/h
    Target Payload (100%) - - 42.1 ton (US)
    Maximum Working Payload (110%) - - 46.3 ton (US)
    Maximum Allowable Payload (120%)* - - 50.5 ton (US)
    Body Capacity - SAE 2:1 - - 32.9 yd³
    Note (1) - - *Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
    Note (2) - - Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.

    Transmission
    Forward - 1 - - 7.4 mile/h
    Forward - 2 - - 10.1 mile/h
    Forward - 3 - - 13.8 mile/h
    Forward - 4 - - 18.5 mile/h
    Forward - 5 - - 25.1 mile/h
    Forward - 6 - - 33.8 mile/h
    Forward - 7 - - 45.8 mile/h
    Reverse - - 8.8 mile/h
    Note - - Maximum travel speeds with standard 18.00R33 (E4) tires.

    Brakes
    Brake Surface - Front - - 216 in²
    Brake Surface - Rear - - 6235 in²
    Brake Standards - - ISO 3450:2011
    Note - - Target gross machine operating weight is 71 214 kg (157,000 lb).

    Capacity - Dual Slope - 100% Fill Factor
    Struck - - 23.01 yd³
    Heaped (SAE 2:1)* - - 32.9 yd³
    Note (2) - - *ISO 6483:1980.
    Note (1) - - Contact your local Cat dealer for body recommendation.

    Capacity - Flat Floor - 100% Fill Factor
    Struck - - 23.01 yd³
    Heaped (SAE 2:1)* - - 32.9 yd³
    Note (1) - - Contact your local Cat dealer for body recommendation.
    Note (2) - - *ISO 6483:1980.

    ROPS
    ROPS Standards - - Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
    FOPS Standards - - Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.

    Dimensions
    Height - Top of ROPS - - 12.7 ft
    Overall Body Length - - 26.8 ft
    Inside Body Length - - 18.5 ft
    Overall Length - - 28.9 ft
    Wheel Base - - 13 ft
    Rear Axle - Tail - - 8.5 ft
    Ground Clearance - - 1.6 ft
    Dump Clearance - - 1.7 ft
    Loading Height - Empty - - 10.3 ft
    Inside Body Depth - Maximum - - 4.6 ft
    Overall Height - Body Raised - - 27.1 ft
    Operating Width - - 15.7 ft
    Centerline Front Tire Width - - 10.2 ft
    Engine Guard Clearance - - 1.8 ft
    Outside Body Width - - 12.9 ft
    Inside Body Width - - 11.9 ft
    Front Canopy Height - - 13.5 ft
    Rear Axle - Clearance - - 1.8 ft
    Centerline of Rear Dual Tire Width - - 8.3 ft
    Overall Tire Width - - 12.1 ft
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