New CAT Equipment

770 Off-Highway Truck

Performance and productivity

Cat’s 770 40-ton payload sets the standard for haul performance in construction and quarry industries. We’ve taken the best of our rugged, dependable Off-Highway Truck lineup and integrated it with technologies that help our environment, make operators more productive, and dramatically improve the economics of haul fleets. An optimal pass match for the 770 is the Cat 986K or 988K Wheel Loader or the 374F or 390F Hydraulic Excavators. No matter your business type, the 770 is designed to help you move materials safely and efficiently through every haul.

Get a Quote

    Benefits

    Up To 11% Less CO2 Emissions

    The 770 emits up to 11% less CO2 than the previous 770.

    Improved Performance

    Achieve maximum performance with increased travel speed for faster cycle times, 7% more torque, and Improved traction control.
     

    Up To 10% Less Fuel Consumption

    Designed to be more efficient with two economy mode options, APECS transmission controls, and auto neutral idle.

     

    Expanded Service Access

    Equipped with safety features for easy access to engine air cleaner housing, lockable ground level service centers, and  convenient fill locations for fuel an DEF tanks.

     

    Learn more about the 770 Off-Highway Truck

    Watch

    • Body Hoists
      Body Lower Time - Float
      10 s
      Body Power Down - High Idle
      10 s
      Body Raise Time - High Idle
      7.5 s
      Pump Flow - High Idle
      118 gal/min
      Relief Valve Setting - Lower
      500 psi
      Relief Valve Setting - Raise
      2750 psi
    • Brakes
      Brake Standards
      ISO 3450:2011
      Brake Surface - Front
      216 in²
      Brake Surface - Rear
      6235 in²
      Note
      Target gross machine operating weight is 71 214 kg (157,000 lb).
    • Capacity - Dual Slope - 100% Fill Factor
      Heaped (SAE 2:1)*
      32.9 yd³
      Note (1)
      Contact your local Cat dealer for body recommendation.
      Note (2)
      *ISO 6483:1980.
      Struck
      23.01 yd³
    • Capacity - Flat Floor - 100% Fill Factor
      Heaped (SAE 2:1)*
      32.9 yd³
      Note (1)
      Contact your local Cat dealer for body recommendation.
      Note (2)
      *ISO 6483:1980.
      Struck
      23.01 yd³
    • Dimensions
      Centerline Front Tire Width
      10.2 ft
      Centerline of Rear Dual Tire Width
      8.3 ft
      Dump Clearance
      1.7 ft
      Engine Guard Clearance
      1.8 ft
      Front Canopy Height
      13.5 ft
      Ground Clearance
      1.6 ft
      Height - Top of ROPS
      12.7 ft
      Inside Body Depth - Maximum
      4.6 ft
      Inside Body Length
      18.5 ft
      Inside Body Width
      11.9 ft
      Loading Height - Empty
      10.3 ft
      Operating Width
      15.7 ft
      Outside Body Width
      12.9 ft
      Overall Body Length
      26.8 ft
      Overall Height - Body Raised
      27.1 ft
      Overall Length
      28.9 ft
      Overall Tire Width
      12.1 ft
      Rear Axle - Clearance
      1.8 ft
      Rear Axle - Tail
      8.5 ft
      Wheel Base
      13 ft
    • Engine
      Bore
      5.4 in
      Displacement
      927.6 in³
      Emissions
      Meets U.S. EPA Tier 4 and EU Stage V emission standards.
      Engine Model
      Cat® C15
      Gross Power - SAE J1995
      515 HP
      Net Power - 80/1269/EEC
      489 HP
      Net Power - ISO 14396
      508 HP
      Net Power - ISO 9249
      477 HP
      Net Power - SAE J1349
      477 HP
      Net Torque - SAE J1349
      1834 ft·lbf
      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.
      Number of Cylinders
      6
      Rated Engine Speed
      1700 r/min
      Stroke
      6.7 in
    • Final Drives
      Differential Ratio
      1.92:1
      Planetary Ratio
      4.80:1
      Total Reduction Ratio
      9.26:1
    • Operating Specifications
      Body Capacity - SAE 2:1
      32.9 yd³
      Maximum Allowable Payload (120%)*
      50.5 ton (US)
      Maximum Working Payload (110%)
      46.3 ton (US)
      Nominal Payload Class (100%)
      42.1 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.
      Target Payload (100%)
      42.1 ton (US)
      Top Speed - Loaded
      45.8 mile/h
    • ROPS
      FOPS Standards
      Falling Objects Protective Structure (FOPS) 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.
    • Service Refill Capacities
      Brake Hoist System
      60 gal (US)
      Brake/Hoist Hydraulic Tank
      38 gal (US)
      Cooling System
      33 gal (US)
      Crankcase
      17 gal (US)
      DEF Tank
      6 gal (US)
      Differential - Final Drives
      47 gal (US)
      Fuel Tank
      140 gal (US)
      Steering System - Including Tank
      23 gal (US)
      Steering Tank
      14.5 gal (US)
      Torque Converter - Transmission System
      17 gal (US)
    • Sound
      Sound Standards (1)
      Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
      Sound Standards (2)
      Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
      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.
    • Steering
      Note
      Target gross machine operating weight is 71 214 kg (157,000 lb).
      Steer Angle
      40.5 °
      Steering Standards
      ISO 5010:2007
      Turning Circle - Clearance Diameter
      66.6 ft
      Turning Diameter - Front
      57.7 ft
    • Suspension
      Empty Loaded Cylinder Stroke Front
      9.2 in
      Empty Loaded Cylinder Stroke Rear
      5.9 in
      Rear axle - Oscillation
      8.9 °
    • Tires
      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.
      Standard Tire
      18.00R33 (E4)
    • 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
      Note
      Maximum travel speeds with standard 18.00R33 (E4) tires.
      Reverse
      8.8 mile/h
    • Weight Distributions - Approximate
      Front Axle - Empty
      49 %
      Front Axle - Loaded
      34 %
      Rear Axle - Empty
      51 %
      Rear Axle - Loaded
      66 %
    • Weights - Approximate
      Body Weight
      17306 lb
      Chassis Weight
      55948 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.
      Target Gross Machine Operating Weight
      157000 lb
      Target Gross Machine Weight
      157000 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)
      – Extended Life Brakes
      – 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)
    NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    OPTIONAL EQUIPMENT
    • Cat Engine Brake
    • Extended Life Brake Discs
    • Body heat/diverter box
    • Four (4) batteries
    • HID lights
    • Product Link
    • Backup alarm
    • Heated mirrors
    • Fuel heater
    • Ether aid
    • Coolant heater
    • Auto lube
    • Rear vision camera (WAVS)
    • Spare rims
    • Wheel chocks
    • Body sideboards
    • Traction Control System (TCS)