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    775 Off-Highway Truck
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    775G Off-Highway Truck Bare Chassis
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    789 Next Generation
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    772 (07) Off-Highway Truck
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    Operating Specifications
    Nominal Payload Class (100%) 70.5 ton (US) - - 51.6 ton (US)
    Top Speed - Loaded 41.6 mile/h - - 49.2 mile/h
    Maximum Working Payload (110%) 77.5 ton (US) - - -
    Target Payload (100%) 70.5 ton (US) - - -
    Maximum Allowable Payload (120%)* 84.6 ton (US) - - -
    Note (2) * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. - - -
    Note (1) Capacity with Dual Slope body – no liner. - - -
    Body Capacity - SAE 2:1 55.23 yd³ - - 40.8 yd³
    Nominal Water Tank Capacity - 15000 gal (US) - -
    Maximum Payload Class (110%) - - - 56.7 ton (US)
    Target Payload Capacity - - - 51.6 ton (US)
    Not to Exceed Payload (120%) - - - 61.9 ton (US)
    Body Capacity (SAE 2:1)** - - - 40.8 yd³

    Engine
    Engine Model Cat® C27 Cat® C27 Cat® 3516E Cat® C18
    Rated Engine Speed 1800 r/min - - 1700 r/min
    Gross Power - SAE J1995:2014 825 hp - 2100 hp 605 hp
    Net Power - SAE J1349:2011 768 hp - 1975 hp 550 hp
    Net Power - 80/1269/EEC 775 hp - - -
    Net Power - ISO 9249 775 hp - - 550 hp
    Bore 5.4 in 5.4 in 6.7 in 5.7 in
    Stroke 6 in 6 in 8.5 in 7.2 in
    Displacement 1648 in³ 1648 in³ 4766 in³ 1105 in³
    Engine Power - ISO 14396 812 hp - - 598 hp
    Note (2) 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). - Optional 1417 kW / 1,900 HP engine rating. -
    Net Torque 3148 ft-lb - - -
    Peak Torque - Speed 1200 r/min - - -
    Note (1) Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. -
    Note (3) No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. - U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. -
    Emissions Meets EU Stage V emission standards. - - -
    Gross Power - SAE J1995 - 825 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. - -
    Rated Speed - - 1650 r/min -
    Emissions Rating - - Fuel Optimized -
    Number of Cylinders - - - 6
    Net Torque - SAE J1349 - - - 2221 ft-lb

    Capacity - Dual Slope - 100% Fill Factor
    Struck 42.7 yd³ - - 31.3 yd³
    Heaped (SAE 2:1)* 55.5 yd³ - - -
    Note (1) Contact your local Cat dealer for body recommendation. - - -
    Note (2) *ISO 6483:1980 - - -
    Heaped 2:1 (SAE) - - - 40.8 yd³

    Capacity - Flat Floor - 100% Fill Factor
    Struck 42.2 yd³ - - 31.3 yd³
    Heaped (SAE 2:1)* 55.2 yd³ - - -
    Note (1) Contact your local Cat dealer for body recommendation. - - -
    Note (2) *ISO 6483:1980 - - -
    Heaped 2:1 (SAE) - - - 40.9 yd³

    Weight Distributions - Approximate
    Front Axle - Empty 50 % - 50% 51.4 %
    Front Axle - Loaded 34 % - 33% 34.2 %
    Rear Axle - Empty 50 % - 50% 48.6 %
    Rear Axle - Loaded 66 % - 67% 65.8 %

    Transmission
    Forward - 1 6.6 mile/h 6.6 mile/h 7.8 mile/h 8 mile/h
    Forward - 2 9.3 mile/h 9.3 mile/h 10.6 mile/h 10.9 mile/h
    Forward - 3 12.6 mile/h 12.6 mile/h 14.4 mile/h 14.8 mile/h
    Forward - 4 16.8 mile/h 16.8 mile/h 19.4 mile/h 19.8 mile/h
    Forward - 5 22.8 mile/h 22.8 mile/h 26.3 mile/h 26.9 mile/h
    Forward - 6 30.7 mile/h 30.7 mile/h 35.5 mile/h 36.2 mile/h
    Forward - 7 41.6 mile/h 41.6 mile/h - 49.2 mile/h
    Reverse 8.7 mile/h 8.7 mile/h 7.3 mile/h 10.4 mile/h
    Note Maximum travel speeds with standard 24.00R35 (E4) tires. Maximum travel speeds with standard 24.00R35 (E4) tires - -
    Top Speed - Loaded - - 35.5 mile/h -

    Final Drives
    Differential Ratio 3.64:1 - 2.35:1 2.74:1
    Planetary Ratio 4.80:1 - 10.83:1 4.80:1
    Total Reduction Ratio 17.49:1 - 25.46:1 13.14:1
    Type - - Double reduction, planetary with full floating axles -

    Brakes
    Brake Surface - Front 257 in² 257 in² - 216 in²
    Brake Surface - Rear 9497 in² 9497 in² - 7794 in²
    Brake Standards ISO 3450:2011 - - ISO 3450:2011

    Service Refill Capacities
    Fuel Tank 210 gal (US) - 1000 gal (US) 140 gal (US)
    Cooling System 45 gal (US) 45 gal (US) 180 gal (US) 33 gal (US)
    Differential - Final Drives 38 gal (US) 38 gal (US) - 47 gal (US)
    Steering Tank 9.5 gal (US) - - 14.5 gal (US)
    Steering System - Including Tank 14 gal (US) 14 gal (US) - 23 gal (US)
    Brake Hoist System 85 gal (US) 85 gal (US) 169 gal (US) 60 gal (US)
    Torque Converter - Transmission System - LRC 16 gal (US) - - -
    Crankcase 24 gal (US) 24 gal (US) 77 gal (US) 17 gal (US)
    Brake/Hoist Hydraulic Tank 46.5 gal (US) 46.5 gal (US) - 38 gal (US)
    Torque Converter - Transmission System - HRC 18 gal (US) - - -
    Fuel Tank Capacity - 210 gal (US) - -
    Fuel Tank - Standard - - 550 gal (US) -
    Fuel Tank (Tier 4) - - 55 gal (US) -
    Diesel Exhaust Fluid Tank - - 62 gal (US) -
    Front Wheels - Each - - 5.8 gal (US) -
    Differentials - - 161 gal (US) -
    Steering System - - 42 gal (US) -
    Steering System - Includes Tank - - 46 gal (US) -
    Brake Hoist System - Includes Tank - - 347 gal (US) -
    Torque Converter - Transmission System - Including Sump - - 55 gal (US) -
    Torque Converter - Transmission System - - - 17 gal (US)
    DEF Tank - - - 6 gal (US)

    Body Hoists
    Pump Flow - High Idle 118 gal/min - 106.5 gal/min 112 gal/min
    Relief Valve Setting - Raise 2502 psi - 2749 psi 2750 psi
    Relief Valve Setting - Lower 500 psi - - 500 psi
    Body Raise Time - High Idle 10 s - 14 s 8 s
    Body Lower Time - Float 14 s - 16 s 10 s
    Body Power Down - High Idle 14 s - - 10 s
    Type - - Twin, two-stage hydraulic cylinders with snubbing valve. -

    Weights - Approximate
    Maximum Gross Vehicle Weight 246503 lb - - -
    Nominal Rated Payload - - 213 ton (US) -
    Rated Gross Machine Weight - - 715000 lb -
    Body Weight - - 60406 lb 17306 lb
    Note (1) - - Consult your tire manufacturer for maximum tire load -
    Note (2) - - Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. -
    Target Gross Machine Operating Weight - - - 181000 lb
    Chassis Weight - - - 59223 lb
    Target Gross Machine Weight - - - 181000 lb

    Suspension
    Empty Loaded Cylinder Stroke Front 9.2 in - - 9.2 in
    Rear Axle - Oscillation 8.1° - - -
    Empty Loaded Cylinder Stroke Rear 5.8 in - - 5.8 in
    Type - - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments -
    Effective Cylinder Stroke - Front - - 4.12 in -
    Effective Cylinder Stroke - Rear - - 3.67 in -
    Rear axle - Oscillation - - +/- 5 degrees 8.9 °

    Tires
    Note (2) Caterpillar recommends the customer evaluate all job conditions and consult 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. -
    Note (1) Productive capabilities of the 775G 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 -
    Standard Tire 24.00R35 (E4) - - 21.00R33 (E4)
    Standard Tires - - 37 R57 -
    Optional Tires - - 40 R57 -
    Optional Tire - - 42/90 R57 -
    Rims - - 29” x 57” Rims -

    ROPS
    FOPS Standards Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. - - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
    ROPS Standards Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. - - ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
    Tractor ROPS - 85288 lb - -

    Sound
    Sound Standards (1) The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with t - Operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
    Sound Standards (2) The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A). - - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A).
    Sound Standards (3) 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. - - Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.

    Steering
    Turning Diameter - Front 77.1 ft - - 57.7 ft
    Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2019 ISO 5010:2007
    Steer Angle 31 ° 31 ° 36.07 ° 40.5 °
    Turning Circle - Clearance Diameter 85.6 ft 85.6 ft - 66.6 ft
    Turning Diameter - 77.1 ft - -

    Sustainability
    Recyclability 98% - - -

    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. - -

    Braking System
    Service Brakes - - Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated -
    Front Wet Disc Brake Surface Area - - 12662 in² -
    Rear - Wet Disc Brake Surface Area - - 20861 in² -
    Standards - - (Service and Secondary) ISO 3450:2011 -
    Parking Brake - - Four-corner, Multi-disc, Spring applied, Hydraulically Released -

    Capacity - HP Body - 100% Fill Factor
    Struck - - 77 m3(101 yd3) -
    Heaped (SAE 2:1)* - - 187 -
    Note (1) - - Consult your local Cat dealer for body recommendations -

    Cab
    Air Conditioning - - (HFC - 134A refrigerant) 24,500 Btu/hr -
    Heater / Defroster - - 33300 Btu/h -
    FOPS Standards - - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. -
    ROPS Standards (2) - - ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. -

    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 -

    Dimensions
    Height - Top of ROPS - - - 12.8 ft
    Inside Body Depth - Maximum - - - 5.7 ft
    Overall Body Length - - - 26.8 ft
    Inside Body Length - - - 19 ft
    Overall Length - - - 28.9 ft
    Wheel Base - - - 13 ft
    Rear Axle - Tail - - - 9.5 ft
    Ground Clearance - - - 1.6 ft
    Dump Clearance - - - 1.5 ft
    Loading Height - Empty - - - 11.6 ft
    Overall Height - Body Raised - - - 27.1 ft
    Operating Width - - - 15.7 ft
    Centerline Front Tire Width - - - 10.4 ft
    Engine Guard Clearance - - - 2 ft
    Outside Body Width - - - 12.9 ft
    Inside Body Width - - - 11.9 ft
    Front Canopy Height - - - 13.7 ft
    Rear Axle - Clearance - - - 1.9 ft
    Centerline of Rear Dual Tire Width - - - 8.7 ft
    Overall Tire Width - - - 12.9 ft
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