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    798 AC Electric Drive Mining Truck
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    794 AC Mining Truck
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    Weights - Approximate
    Nominal Rated Payload 410 ton (US) - 327 ton (US)
    Rated Gross Machine Weight 1375000 lb - 1150000 lb
    Chassis Weight 453826 lb 55948 lb 426237 lb
    Body Weight Range 38 833 - 43 275 kg (85,611 - 95,406 lb) - -
    Note (1) Consult your tire manufacturer for maximum tire load. Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. Consult your tire manufacturer for maximum tire load.
    Note (2) 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. Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires
    Note (3) Body weight varies depending on how body is equipped. - Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
    Target Gross Machine Operating Weight - 157000 lb -
    Target Gross Machine Weight - 157000 lb -
    Body Weight - 17306 lb 64346 lb
    Note (4) - - Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)

    Engine
    Gross Power - SAE J1995 3500 HP 515 HP 3500 HP
    Engine Model Cat® C175-16 Cat® C15 Cat® C175-16
    Net Power - SAE J1349 3405 HP 477 HP 3405 HP
    Optional Gross Power - SAE J1995 3100 HP - 3100 HP
    Rated Speed 1800 r/min - 1800 r/min
    Emissions Rating Fuel Optimized - Fuel Optimized
    Bore 6.9 in 5.4 in 6.9 in
    Stroke 8.7 in 6.7 in 8.7 in
    Displacement 5187 in³ 927.6 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. Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard. Contact factory for high altitude configuration.
    Note (2) 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). Tier 4 / EU Stage V option available for regions that require these emissions standards.
    Note (3) Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp No engine derating required up to 3000 m (9,843 ft) altitude. Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)
    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. -
    Standard Gross Power - SAE J1995 - - 3500 HP
    Optional Gross Power - SAE J1995 (Option 2) - - 2750 HP

    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) - -

    Service Refill Capacities
    Fuel Tank 1300 gal (US) 140 gal (US) 1300 gal (US)
    Fuel Tank (Tier 4) 1200 gal (US) - -
    Diesel Exhaust Fluid Tank 100 gal (US) - 100 gal (US)
    Cooling System 211 gal (US) 33 gal (US) 211 gal (US)
    Crankcase 82 gal (US) 17 gal (US) 82 gal (US)
    Final Drive - Each 67 gal (US) - 67 gal (US)
    Hydraulic System - Including Tank 385 gal (US) - 385 gal (US)
    Hydraulic Tank 296 gal (US) - 296 gal (US)
    Grease Tank 90 lb - -
    Note (1) DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option - DEF Tank only available for EPA Tier 4 / EU Stage V engine option.
    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) -

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

    AC Drive System
    Total Reduction Ratio 35:01:00 - 35:01:00
    Top Speed - Loaded 40 mile/h - 37 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 Cat high-torque AC induction, rear axle mounted - High-torque AC induction, rear axle mounted
    Cooling System Cat variable speed, hydraulically driven cooling system - 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 22642 in² - 20378 in²
    Rear - Wet Disc Brake Surface Area 32730 in² - 30750 in²
    Standards Service and Secondary: ISO 3450:2011 - ISO 3450:2011
    Electric Retarding Radial Grid Design - -
    Dynamic Retarding Power - Continuous 5480 HP - 5480 HP
    Parking Brakes 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 - -
    Parking Brake - - Four-corner, Multi-disc, Spring applied, Hydraulically Released

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

    Capacity - HE Body - 100% fill factor
    Struck 129-200 m³ (168-261 yd³) - 108-133 m³ (142-175 yd³)
    Heaped (SAE 2:1) 218-276 m³ (285-361 yd³) - 180-222 m³ (236-290 yd³)
    Note Contact your local Cat dealer for body recommendations. - Contact your local Cat dealer for body recommendations.
    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

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

    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 ° -

    Cab
    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. - -
    ROPS Standards (1) ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. - Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.
    FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. - Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer.

    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 - -

    Tires
    Rims 44" x 63" Rims - 36" x 63"
    Standard Tires 59/80 R63 - 53/80 R63
    Note (1) 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. Quick Change Rims optional.
    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 evaluates all job conditions and consults the tire manufacturer for proper tire selection. Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
    Standard Tire - 18.00R33 (E4) -

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

    Sound
    Sound Standards The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008. - -
    Sound Standards (1) - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. 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.
    Sound Standards (2) - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A). 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.
    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. -

    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. -

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

    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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