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    772G Off-Highway Truck
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    772 (07) Off-Highway Truck
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    770 Off-Highway Truck
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    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. - -

    ROPS
    Tractor ROPS 77430 lb - -
    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.

    Operating Specifications
    Nominal Water Tank Capacity 11000 gal (US) - -
    Nominal Payload Class (100%) - 51.6 ton (US) 42.1 ton (US)
    Top Speed - Loaded - 49.2 mile/h 45.8 mile/h
    Maximum Payload Class (110%) - 56.7 ton (US) -
    Body Capacity - SAE 2:1 - 40.8 yd³ 32.9 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 -
    Target Payload (100%) - - 42.1 ton (US)
    Maximum Working Payload (110%) - - 46.3 ton (US)
    Maximum Allowable Payload (120%)* - - 50.5 ton (US)
    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.

    Engine
    Engine Model Cat® C18 Cat® C18 Cat® C15
    Rated Engine Speed 1700 r/min 1700 r/min 1700 r/min
    Gross Power - SAE J1995 605 HP 605 HP 515 HP
    Rated Net Power - SAE J1349 550 HP - -
    Number of Cylinders 6 6 6
    Bore 5.7 in 5.7 in 5.4 in
    Stroke 7.2 in 7.2 in 6.7 in
    Displacement 1105 in³ 1105 in³ 927.6 in³
    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 - SAE J1349 - 550 HP 477 HP
    Net Power - ISO 9249 - 550 HP 477 HP
    Net Torque - SAE J1349 - 2221 ft-lb 1834 ft·lbf
    Engine Power - ISO 14396 - 598 HP -
    Net Power - 80/1269/EEC - - 489 HP
    Net Power - ISO 14396 - - 508 HP
    Note (1) - - Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
    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).
    Note (3) - - No engine derating required up to 3000 m (9,843 ft) altitude.
    Note (4) - - Meets Japan Small Volume Exemption.
    Emissions - - Meets U.S. EPA Tier 4 and EU Stage V emission standards.

    Transmission
    Forward - 1 8 mile/h 8 mile/h 7.4 mile/h
    Forward - 2 10.9 mile/h 10.9 mile/h 10.1 mile/h
    Forward - 3 14.8 mile/h 14.8 mile/h 13.8 mile/h
    Forward - 4 19.8 mile/h 19.8 mile/h 18.5 mile/h
    Forward - 5 26.9 mile/h 26.9 mile/h 25.1 mile/h
    Forward - 6 36.2 mile/h 36.2 mile/h 33.8 mile/h
    Forward - 7 49.2 mile/h 49.2 mile/h 45.8 mile/h
    Reverse 10.4 mile/h 10.4 mile/h 8.8 mile/h
    Note Maximum travel speeds with standard 21.00R33 (E4) tires. - Maximum travel speeds with standard 18.00R33 (E4) tires.

    Brakes
    Brake Surface - Front 216 in² 216 in² 216 in²
    Brake Surface - Rear 7794 in² 7794 in² 6235 in²
    Brake Standards - ISO 3450:1996 ISO 3450:2011
    Note - - Target gross machine operating weight is 71 214 kg (157,000 lb).

    Service Refill Capacities
    Fuel Tank Capacity 140 gal (US) - -
    Cooling System 33 gal (US) 33 gal (US) 33 gal (US)
    Crankcase 17 gal (US) 17 gal (US) 17 gal (US)
    Brake/Hoist Hydraulic Tank 38 gal (US) 38 gal (US) 38 gal (US)
    Brake Hoist System 60 gal (US) 60 gal (US) 60 gal (US)
    Differential - Final Drives 47 gal (US) 47 gal (US) 47 gal (US)
    Steering System - Including Tank 60 gal (US) 23 gal (US) 23 gal (US)
    Torque Converter - Transmission System 17 gal (US) 17 gal (US) 17 gal (US)
    Fuel Tank - 140 gal (US) 140 gal (US)
    Steering Tank - 14.5 gal (US) 14.5 gal (US)
    DEF Tank - 6 gal (US) 6 gal (US)

    Steering
    Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
    Steer Angle 31 ° 40.5 ° 40.5 °
    Turning Diameter 57.7 ft - -
    Turning Circle - Clearance Diameter 66.6 ft 66.6 ft 66.6 ft
    Turning Diameter - Front - 57.7 ft 57.7 ft
    Note - - Target gross machine operating weight is 71 214 kg (157,000 lb).

    Weights - Approximate
    Target Gross Machine Operating Weight - 181000 lb 157000 lb
    Chassis Weight - 59223 lb 55948 lb
    Body Weight - 17306 lb 17306 lb
    Target Gross Machine Weight - 181000 lb 157000 lb
    Note (1) - - Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
    Note (2) - - Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.

    Weight Distributions - Approximate
    Front Axle - Empty - 51.4 % 49 %
    Front Axle - Loaded - 34.2 % 34 %
    Rear Axle - Empty - 48.6 % 51 %
    Rear Axle - Loaded - 65.8 % 66 %

    Final Drives
    Differential Ratio - 2.74:1 1.92:1
    Planetary Ratio - 4.80:1 4.80:1
    Total Reduction Ratio - 13.14:1 9.26:1

    Body Hoists
    Pump Flow - High Idle - 112 gal/min 118 gal/min
    Relief Valve Setting - Raise - 2750 psi 2750 psi
    Relief Valve Setting - Lower - 500 psi 500 psi
    Body Raise Time - High Idle - 8 s 7.5 s
    Body Lower Time - Float - 10 s 10 s
    Body Power Down - High Idle - 10 s 10 s

    Suspension
    Rear axle - Oscillation - 8.9 ° 8.9 °
    Empty Loaded Cylinder Stroke Front - 9.2 in 9.2 in
    Empty Loaded Cylinder Stroke Rear - 5.8 in 5.9 in

    Capacity - Dual Slope - 100% Fill Factor
    Heaped 2:1 (SAE) - 40.8 yd³ -
    Struck - 31.3 yd³ 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 - 31.3 yd³ 23.01 yd³
    Heaped 2:1 (SAE) - 40.9 yd³ -
    Heaped (SAE 2:1)* - - 32.9 yd³
    Note (1) - - Contact your local Cat dealer for body recommendation.
    Note (2) - - *ISO 6483:1980.

    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. Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.
    Sound Standards (2) - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
    Sound Standards (1) - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

    Dimensions
    Height - Top of ROPS - 12.8 ft 12.7 ft
    Inside Body Depth - Maximum - 5.7 ft 4.6 ft
    Overall Body Length - 26.8 ft 26.8 ft
    Inside Body Length - 19 ft 18.5 ft
    Overall Length - 28.9 ft 28.9 in
    Wheel Base - 13 ft 13 ft
    Rear Axle - Tail - 9.5 ft 8.5 ft
    Ground Clearance - 1.6 in 1.6 in
    Dump Clearance - 1.5 ft 1.7 ft
    Loading Height - Empty - 11.6 ft 10.3 ft
    Overall Height - Body Raised - 27.1 ft 27.1 ft
    Operating Width - 15.7 ft 15.7 ft
    Centerline Front Tire Width - 10.4 ft 10.2 ft
    Engine Guard Clearance - 2 ft 1.8 ft
    Outside Body Width - 12.9 ft 12.9 ft
    Inside Body Width - 11.9 ft 11.9 ft
    Front Canopy Height - 13.7 ft 13.5 ft
    Rear Axle - Clearance - 1.9 ft 1.8 ft
    Centerline of Rear Dual Tire Width - 8.7 ft 8.3 ft
    Overall Tire Width - 12.9 ft 12.1 ft

    Tires
    Standard Tire - 21.00R33 (E4) 18.00R33 (E4)
    Note (1) - - 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 evaluates all job conditions and consults the tire manufacturer for proper tire selection.
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