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    772 (07) Off-Highway Truck
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    772G Off-Highway Truck Bare Chassis
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    Operating Specifications
    Nominal Payload Class (100%) 51.6 ton (US) - 70.5 ton (US) -
    Top Speed - Loaded 49.2 mile/h - 41.6 mile/h -
    Maximum Payload Class (110%) 56.7 ton (US) - - -
    Body Capacity - SAE 2:1 40.8 yd³ - 55.23 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 - - -
    Nominal Water Tank Capacity - 11000 gal (US) - -
    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. -

    Engine
    Engine Model Cat® C18 Cat® C18 Cat® C27 Cat® C175-20
    Rated Engine Speed 1700 r/min 1700 r/min 1800 r/min -
    Gross Power - SAE J1995:2014 605 hp - 825 hp -
    Net Power - SAE J1349:2011 550 hp - 768 hp -
    Net Power - ISO 9249 550 hp - 775 hp -
    Number of Cylinders 6 6 - -
    Bore 5.7 in 5.7 in 5.4 in 6.9 in
    Stroke 7.2 in 7.2 in 6 in 8.7 in
    Displacement 1105 in³ 1105 in³ 1648 in³ 6469 in³
    Net Torque - SAE J1349 2221 ft-lb - - -
    Engine Power - ISO 14396 598 hp - 812 hp -
    Gross Power - SAE J1995 - 605 hp - 4000 hp
    Rated Net Power - SAE J1349 - 550 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. - -
    Net Power - 80/1269/EEC - - 775 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). U.S. EPA Tier 4 Final available for applicable markets.
    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. High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
    Emissions - - Meets EU Stage V emission standards. 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.
    Net Power - SAE J1349 - - - 3795 hp
    Rated Speed - - - 1750 r/min

    Weights - Approximate
    Target Gross Machine Operating Weight 181000 lb - - -
    Chassis Weight 59223 lb - - 474472 lb
    Body Weight 17306 lb - - 94799 lb
    Target Gross Machine Weight 181000 lb - - -
    Maximum Gross Vehicle Weight - - 246503 lb -
    Nominal Rated Payload - - - 400 ton (US)
    Rated Gross Machine Weight - - - 1375000 lb
    Note (1) - - - 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.
    Note (4) - - - Tier 4 Chassis Weight: 486263 lb (220565 kg)

    Weight Distributions - Approximate
    Front Axle - Empty 51.4 % - 50 % 47.20%
    Front Axle - Loaded 34.2 % - 34 % 33.30%
    Rear Axle - Empty 48.6 % - 50 % 52.80%
    Rear Axle - Loaded 65.8 % - 66 % 66.70%
    Note - - - Weight distributions optimized with Cat body.

    Transmission
    Forward - 1 8 mile/h 8 mile/h 6.6 mile/h 6.6 mile/h
    Forward - 2 10.9 mile/h 10.9 mile/h 9.3 mile/h 8.9 mile/h
    Forward - 3 14.8 mile/h 14.8 mile/h 12.6 mile/h 12 mile/h
    Forward - 4 19.8 mile/h 19.8 mile/h 16.8 mile/h 16.2 mile/h
    Forward - 5 26.9 mile/h 26.9 mile/h 22.8 mile/h 21.8 mile/h
    Forward - 6 36.2 mile/h 36.2 mile/h 30.7 mile/h 29.4 mile/h
    Forward - 7 49.2 mile/h 49.2 mile/h 41.6 mile/h 39.5 mile/h
    Reverse 10.4 mile/h 10.4 mile/h 8.7 mile/h 7.4 mile/h
    Note - Maximum travel speeds with standard 21.00R33 (E4) tires. Maximum travel speeds with standard 24.00R35 (E4) tires. -
    Top Speed - Loaded - - - 39.5 mile/h

    Final Drives
    Differential Ratio 2.74:1 - 3.64:1 1.276:1
    Planetary Ratio 4.80:1 - 4.80:1 16.67:1
    Total Reduction Ratio 13.14:1 - 17.49:1 21.26:1
    Type - - - Double reduction, planetary with full floating axles.
    Note - - - Double reduction, planetary with full floating axles.

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

    Service Refill Capacities
    Fuel Tank 140 gal (US) - 210 gal (US) 1000 gal (US)
    Cooling System 33 gal (US) 33 gal (US) 45 gal (US) 306 gal (US)
    Differential - Final Drives 47 gal (US) 47 gal (US) 38 gal (US) -
    Steering Tank 14.5 gal (US) - 9.5 gal (US) 67 gal (US)
    Steering System - Including Tank 23 gal (US) 60 gal (US) 14 gal (US) 95 gal (US)
    Torque Converter - Transmission System 17 gal (US) 17 gal (US) - -
    Brake Hoist System 60 gal (US) 60 gal (US) 85 gal (US) -
    DEF Tank 6 gal (US) - - -
    Crankcase 17 gal (US) 17 gal (US) 24 gal (US) 103 gal (US)
    Brake/Hoist Hydraulic Tank 38 gal (US) 38 gal (US) 46.5 gal (US) -
    Fuel Tank Capacity - 140 gal (US) - -
    Torque Converter - Transmission System - LRC - - 16 gal (US) -
    Torque Converter - Transmission System - HRC - - 18 gal (US) -
    Fuel Tank (Tier 4) - - - 1200 gal (US)
    Diesel Exhaust Fluid Tank - - - 100 gal (US)
    Front Wheels - Each - - - 16 gal (US)
    Differentials - - - 330 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.

    Body Hoists
    Pump Flow - High Idle 112 gal/min - 118 gal/min 317 gal/min
    Relief Valve Setting - Raise 2750 psi - 2502 psi 3510 psi
    Relief Valve Setting - Lower 500 psi - 500 psi -
    Body Raise Time - High Idle 8 s - 10 s 25 s
    Body Lower Time - Float 10 s - 14 s 18 s
    Body Power Down - High Idle 10 s - 14 s -
    Type - - - Twin, two-stage hydraulic cylinders with snubbing valve.
    Body Power Down- High Idle - - - 18 s

    Suspension
    Rear axle - Oscillation 8.9 ° - - ±3.96 degrees
    Empty Loaded Cylinder Stroke Front 9.2 in - 9.2 in -
    Empty Loaded Cylinder Stroke Rear 5.8 in - 5.8 in -
    Rear Axle - Oscillation - - 8.1° -
    Type - - - Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
    Effective Cylinder Stroke - Front - - - 3.9 in
    Effective Cylinder Stroke - Rear - - - 3.7 in

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

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

    ROPS
    FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. - Falling Objects Protective Structure (FOPS) 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. - Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. -
    Tractor ROPS - 77430 lb - -

    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. - 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 (2) Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). - 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). Operator sound pressure level, 78 dB(A), is tested 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 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 -

    Steering
    Turning Diameter - Front 57.7 ft - 77.1 ft 122.7 ft
    Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007 ISO 5010:2019
    Steer Angle 40.5 ° 31 ° 31 ° -
    Turning Circle - Clearance Diameter 66.6 ft 66.6 ft 85.6 ft -
    Turning Diameter - 57.7 ft - -
    Steering Angle - - - 40 °
    Note - - - Turning Diameter (ISO 7457:2009)

    Dimensions
    Height - Top of ROPS 12.8 ft - - -
    Inside Body Depth - Maximum 5.7 ft - - 11 ft
    Overall Body Length 26.8 ft - - 48.6 ft
    Inside Body Length 19 ft - - 32.75 ft
    Overall Length 28.9 ft - - 49.5 ft
    Wheel Base 13 ft - - 23.58 ft
    Rear Axle - Tail 9.5 ft - - 12.9 ft
    Ground Clearance 1.6 ft - - -
    Dump Clearance 1.5 ft - - 6.58 ft
    Loading Height - Empty 11.6 ft - - 23 ft
    Overall Height - Body Raised 27.1 ft - - 51.5 ft
    Operating Width 15.7 ft - - -
    Centerline Front Tire Width 10.4 ft - - 21.41 ft
    Engine Guard Clearance 2 ft - - -
    Outside Body Width 12.9 ft - - 32 ft
    Inside Body Width 11.9 ft - - 27.91 ft
    Front Canopy Height 13.7 ft - - -
    Rear Axle - Clearance 1.9 ft - - -
    Centerline of Rear Dual Tire Width 8.7 ft - - 20.41 ft
    Overall Tire Width 12.9 ft - - 31.25 ft
    Rear Axle - Clearance - Loaded - - - 3.08 ft
    Loaded Ground Clearance - - - 2.58 ft
    Engine Guard Clearance - Loaded - - - 3.33 ft
    Height - Top of ROPS - Empty - - - 21.4 ft
    Front Canopy Height - Empty - - - 25.33 ft
    Overall Canopy Width - - - 29.91 ft

    Tires
    Standard Tire 21.00R33 (E4) - 24.00R35 (E4) -
    Note (2) - - Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. -
    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. Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
    Tires - - - 59/80 R63
    Rims - - - 44 x 63
    Note - - - Quick Change Rims optional.

    Weights
    LRC Bare Chassis Weight without Hoist - 58414 lb - -
    LRC Bare Chassis Weight with Hoist - 59223 lb - -
    LRC Gross Vehicle Weight (Target) with Hoist - 180999 lb - -
    LRC Gross Vehicle Weight (Target) without Hoist - 180999 lb - -
    HRC Bare Chassis Weight without Hoist - 59567 lb - -
    HRC Bare Chassis Weight with Hoist - 60376 lb - -
    HRC Gross Vehicle Weight (Target) with Hoist - 180999 lb - -
    HRC Gross Vehicle Weight (Target) without Hoist - 180999 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. - -

    Sustainability
    Recyclability - - 98% -

    Braking System
    Service Brakes - - - Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
    Front Wet Disc Brake Surface Area - - - 20500 in²
    Rear - Wet Disc Brake Surface Area - - - 30750 in²
    Standards - - - Service and Secondary: ISO 3450:2011
    Parking Brake - - - 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
    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
    Heater / Defroster - - - 38900 Btu/h
    Note - - - Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
    FOPS Standards - - - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria and ISO 13459:2012 Level II
    ROPS Standards (2) - - - ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria and ISO 13459:2012
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