770 Off-Highway Truck

770 Off-Highway Truck

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.

  • Nominal Payload Class (100%) 42.1 ton (US)

  • Engine Model Cat® C15

  • Top Speed - Loaded 45.8 mile/h

  • Rated Engine Speed 1700 r/min

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Product Specifications

Specifications

Operating Specifications

  • Body Capacity - SAE 2:1 32.9yd³

  • Maximum Allowable Payload (120%)* 50.5ton (US)

  • Maximum Working Payload (110%) 46.3ton (US)

  • Nominal Payload Class (100%) 42.1ton (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%) 42.1ton (US)

  • Top Speed - Loaded 45.8mile/h

Engine

  • Bore 5.4in

  • Displacement 927.6in³

  • Emissions Meets U.S. EPA Tier 4 and EU Stage V emission standards.

  • Engine Model Cat® C15

  • Gross Power - SAE J1995 515hp

  • Net Power - 80/1269/EEC 489hp

  • Net Power - ISO 14396 508hp

  • Net Power - ISO 9249 477hp

  • Net Power - SAE J1349 477hp

  • Net Torque - SAE J1349 1834ft·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 1700r/min

  • Stroke 6.7in

Weights - Approximate

  • Body Weight 17306lb

  • Chassis Weight 55948lb

  • 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 157000lb

  • Target Gross Machine Weight 157000lb

Transmission

  • Forward - 1 7.4mile/h

  • Forward - 2 10.1mile/h

  • Forward - 3 13.8mile/h

  • Forward - 4 18.5mile/h

  • Forward - 5 25.1mile/h

  • Forward - 6 33.8mile/h

  • Forward - 7 45.8mile/h

  • Note Maximum travel speeds with standard 18.00R33 (E4) tires.

  • Reverse 8.8mile/h

Final Drives

  • Differential Ratio 1.92:1

  • Planetary Ratio 4.80:1

  • Total Reduction Ratio 9.26:1

Brakes

  • Brake Standards ISO 3450:2011

  • Brake Surface - Front 216in²

  • Brake Surface - Rear 6235in²

  • Note Target gross machine operating weight is 71 214 kg (157,000 lb).

Body Hoists

  • Body Lower Time - Float 10s

  • Body Power Down - High Idle 10s

  • Body Raise Time - High Idle 7.5s

  • Pump Flow - High Idle 118gal/min

  • Relief Valve Setting - Lower 500psi

  • Relief Valve Setting - Raise 2750psi

Capacity - Dual Slope - 100% Fill Factor

  • Heaped (SAE 2:1)* 32.9yd³

  • Note (1) Contact your local Cat dealer for body recommendation.

  • Note (2) *ISO 6483:1980.

  • Struck 23.01yd³

Capacity - Flat Floor - 100% Fill Factor

  • Heaped (SAE 2:1)* 32.9yd³

  • Note (1) Contact your local Cat dealer for body recommendation.

  • Note (2) *ISO 6483:1980.

  • Struck 23.01yd³

Weight Distributions - Approximate

  • Front Axle - Empty 49%

  • Front Axle - Loaded 34%

  • Rear Axle - Empty 51%

  • Rear Axle - Loaded 66%

Suspension

  • Empty Loaded Cylinder Stroke Front 9.2in

  • Empty Loaded Cylinder Stroke Rear 5.9in

  • Rear axle - Oscillation 8.9°

Service Refill Capacities

  • Brake Hoist System 60gal (US)

  • Brake/Hoist Hydraulic Tank 38gal (US)

  • Cooling System 33gal (US)

  • Crankcase 17gal (US)

  • DEF Tank 6gal (US)

  • Differential - Final Drives 47gal (US)

  • Fuel Tank 140gal (US)

  • Steering System - Including Tank 23gal (US)

  • Steering Tank 14.5gal (US)

  • Torque Converter - Transmission System 17gal (US)

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 66.6ft

  • Turning Diameter - Front 57.7ft

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)

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.

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.

Dimensions

  • Centerline Front Tire Width 10.2ft

  • Centerline of Rear Dual Tire Width 8.3ft

  • Dump Clearance 1.7ft

  • Engine Guard Clearance 1.8ft

  • Front Canopy Height 13.5ft

  • Ground Clearance 1.6ft

  • Height - Top of ROPS 12.7ft

  • Inside Body Depth - Maximum 4.6ft

  • Inside Body Length 18.5ft

  • Inside Body Width 11.9ft

  • Loading Height - Empty 10.3ft

  • Operating Width 15.7ft

  • Outside Body Width 12.9ft

  • Overall Body Length 26.8ft

  • Overall Height - Body Raised 27.1ft

  • Overall Length 28.9ft

  • Overall Tire Width 12.1ft

  • Rear Axle - Clearance 1.8ft

  • Rear Axle - Tail 8.5ft

  • Wheel Base 13ft

Features

Equipment

Standard Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

  • 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 Ready

  • Driveline

  • Engine crankcase

  • 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

  • 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, front and rear

  • 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

  • Extended Life Coolant to -35° C (-30° F)

Optional Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

  • 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)