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Off-Highway Trucks

772G Off-Highway Truck

Nominal Payload Class (100%)

51.6 ton (US)

Engine Model

Cat® C18

Top Speed - Loaded

49.2 mile/h

SPECIFICATIONS

Your long-term success is our goal here at Cat, so we’ve developed our 772G to be more productive and economical for our customers for years to come. Equipped with new transmission controls, the 772G is built for heavy-duty, off-road applications and delivers quick haul cycles with automotive-quality shifting and comfort. The 772G is also built with a Cat C18 diesel engine and with our fuel saving strategies, you can adjust engine power to meet your specific needs. Ideal pass match options for the 772G are the Cat 986K or the 988K Wheel Loader and the 390F L Hydraulic Excavator. When you consider its fuel efficiency and performance, the 772G is the right Off-Highway Truck for all generations.

    Body Hoists

    Pump Flow - High Idle

    118 gal/min

    Relief Valve Setting - Raise

    2,750 psi

    Relief Valve Setting - Lower

    500 psi

    Body Raise Time - High Idle

    7.5 s

    Body Lower Time - Float

    10 s

    Body Power Down - High Idle

    10 s

    Brakes

    Brake Surface - Front

    216 in²

    Brake Surface - Rear

    7,794 in²

    Brake Standards

    ISO 3450:1996

    Capacity - Dual Slope - 100% Fill Factor

    Heaped 2:1 (SAE)

    40.8 yd³

    Struck

    31.3 yd³

    Capacity - Flat Floor - 100% Fill Factor

    Heaped 2:1 (SAE)

    40.9 yd³

    Struck

    31.3 yd³

    Dimensions

    Inside Body Depth - Maximum

    5.7 ft

    Height - Top of ROPS

    12.8 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

    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

    Engine

    Engine Model

    Cat® C18

    Rated Engine Speed

    1,700 r/min

    Gross Power - SAE J1995

    605 HP

    Net Power - SAE J1349

    550 HP

    Net Power - ISO 9249

    550 HP

    Number of Cylinders

    6

    Bore

    5.7 in

    Stroke

    7.2 in

    Displacement

    1,105 in³

    Net Torque - SAE J1349

    2,221 ft-lb

    Engine Power - ISO 14396

    598 HP

    Final Drives

    Differential Ratio

    2.74:1

    Planetary Ratio

    4.80:1

    Total Reduction Ratio

    13.14:1

    Operating Specifications

    Nominal Payload Class (100%)

    51.6 ton (US)

    Top Speed - Loaded

    49.2 mile/h

    Target Payload Capacity

    51.6 ton (US)

    Not to Exceed Payload (120%)

    61.9 ton (US)

    Body Capacity - SAE 2:1

    40.8 yd³

    Maximum Payload Class (110%)

    56.7 ton (US)

    ROPS

    ROPS Standards

    ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

    FOPS Standards

    FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.

    Service Refill Capacities

    Fuel Tank

    140 gal (US)

    Cooling System

    33 gal (US)

    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

    gal (US)

    Crankcase

    17 gal (US)

    Sound

    Sound Standards (2)

    Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 115 dB(A).

    Sound Standards (3)

    Operator Equivalent Sound Pressure Level (Leq) is 74 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.

    Sound Standards (1)

    Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

    Steering

    Turning Diameter - Front

    57.7 ft

    Steering Standards

    ISO 5010:2007

    Steer Angle

    31 °

    Turning Circle - Clearance Diameter

    66.6 ft

    Suspension

    Rear axle - Oscillation

    8.9 °

    Empty Loaded Cylinder Stroke Rear

    5.8 in

    Empty Loaded Cylinder Stroke Front

    9.2 in

    Tires

    Standard Tire

    21.00R33 (E4)

    Transmission

    Forward - 1

    mile/h

    Forward - 2

    10.9 mile/h

    Forward - 3

    14.8 mile/h

    Forward - 4

    19.8 mile/h

    Forward - 5

    26.9 mile/h

    Forward - 6

    36.2 mile/h

    Forward - 7

    49.2 mile/h

    Reverse

    10.4 mile/h

    Weight Distributions - Approximate

    Front Axle - Empty

    51.4 %

    Front Axle - Loaded

    34.2 %

    Rear Axle - Empty

    48.6 %

    Rear Axle - Loaded

    65.8 %

    Weights - Approximate

    Target Gross Machine Operating Weight

    181,000 lb

    Chassis Weight

    59,223 lb

    Body Weight

    17,306 lb

    Target Gross Machine Weight

    181,000 lb

    • NOTE
      • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • ELECTRICAL
      • Alarm, backup
      • Alternator, 115 ampere
      • Auxiliary jump start receptacle
      • Batteries, maintenance-free, 12V (2), 190 amp-hour
      • Electrical system, 24V
      • Lighting system: - Backup light (halogen) - Directional signals/hazard warning (front and rear LED) - Headlights, (halogen) with dimmer - Operator access courtesy lights (Developing Market Only)
    • PRODUCT LINK™ COMMUNICATIONS
      • Product Link Ready
    • GUARDS
      • Driveline
      • Engine crankcase
    • OPERATOR ENVIRONMENT
      • Air conditioning
      • Ashtray and cigarette lighter
      • Coat hook
      • Cup holders (4)
      • Diagnostic connection port, 24V
      • Entertainment Radio Ready: - 5 amp converter - Speakers - Antenna - Wiring harness
      • Gauges/indicators: - Air cleaner service indicator - electronic - Brake oil temperature gauge - Coolant temperature gauge - Hour meter - Tachometer - Engine overspeed indicator - Fuel level - Speedometer with odometer - Transmission gear indicator
      • Heater/defroster (11 070 kCal/43,930 BTU)
      • Hoist lever
      • Horn, electric
      • Light - dome
      • Light - courtesy
      • Messenger, display unit
      • Mirrors
      • Power port, 12V
      • ROPS cab, insulated/sound suppressed
      • Seat, Cat Comfort Series III: - full air suspension - four point harness
      • Steering wheel, padded, tilt and telescopic
      • Storage compartment
      • Sun visor, tinted glass
      • Throttle lock
      • Windshield wiper (intermittent) and washer
    • POWER TRAIN
      • Air-To-Air Aftercooler (ATAAC)
      • Air cleaner with precleaner (1)
      • Automatic cold mode idle control
      • Electric start
      • Turbocharger
      • Braking system, hydraulic actuated: - Automatic Retarder Control (ARC) (utilizes rear oil-cooled, multiple disc brakes) - Brake release motor (towing) - Caliper-disc (front) - Oil-cooled, multiple disc (rear) - Parking - Secondary - Service
      • Transmission: - 7 speed automatic powershift - Body up shift inhibitor - Controlled throttle shifting - Directional shift management - Downshift inhibitor - Neutral start switch - Neutral coast inhibitor - Reverse shift inhibitor - Reverse neutralizer during dumping - Programmable top gear selection
    • SUSPENSION SYSTEMS
      • Suspension, front and rear
    • OTHER STANDARD EQUIPMENT
      • Body safety pin (secures body in up position)
      • Body down indicator
      • CD ROM parts book
      • Fan, hydraulic demand
      • Fuel tank (530 L/140 gal)
      • Guard, engine compartment
      • Guard, mud
      • Ground level battery disconnect
      • Ground level engine shutdown
      • Ground level grease fittings
      • Reservoirs (separate): - Brake/converter/hoist - Steering - Transmission/torque converter
      • Rims 15 × 33
      • Rock ejectors
      • Service platform, left and right side
      • Supplemental steering (automatic)
      • Tie down eyes
      • Tow hooks (front)/Tow pin (rear)
      • Vandalism protection locks
    • ANTIFREEZE
      • Extended Life Coolant to -35° C (-30° F)

    WHY CHOOSE EMPIRE

    • Machines built tough and ready to run in rugged applications

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    • Full service and support to ensure performance and longevity