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770 (07)

770 (07)

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%) 38.6 t
Engine Model Cat® C15 ACERT™
Top Speed - Loaded 73.5 km/h

Technicial Specifications

Operating Specifications
Nominal Payload Class (100%) 38.6 t
Top Speed - Loaded 73.5 km/h
Target Payload (100%) 38.6 ton (US)
Body Capacity - SAE 2:1 25.2 m³
Top Speed - Loaded* 73.5 km/h
Note Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.
Note (1) Capacity with dual slope body with no liner.
Note (2) *ISO 6483:1980
Engine Model Cat® C15 ACERT™
Rated Engine Speed 1800 r/min
Gross Power - SAE J1995 381 kW
Net Power - SAE J1349 360 kW
Net Power - ISO 9249 365 kW
Net Power - 80/1269/EEC 365 kW
Engine Power - ISO 14396 377 kW
Net Torque - SAE J1349 2280 N·m
Number of Cylinders 6
Bore 137 mm
Stroke 171 mm
Displacement 15.2 l
Note (1) Power rating applies at 1,800 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 China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 3 or U.S. EPA Tier 2.
Body Hoists
Pump Flow - High Idle 448 l/min
Relief Valve Setting - Raise 18950 kPa
Relief Valve Setting - Lower 3450 kPa
Body Power Down - High Idle 10.0 seconds (approx.)
Body Lower Time - Float 10.0 seconds (approx.)
Body Raise Time - High Idle 7.5 seconds (approx.)
Capacity - Dual Slope - 100% Fill Factor
Struck 17.6 m³
Heaped (SAE 2:1)* 25.2 m³
Note (1) *ISO 6483:1980
Capacity - Flat Floor - 100% Fill Factor
Struck 17.6 m³
Heaped (SAE 2:1)* 25.2 m³
Note (1) *ISO 6483:1980
Weight Distributions - Approximate
Front Axle - Empty 51.9 %
Front Axle - Loaded 34.5 %
Rear Axle - Empty 48.1 %
Rear Axle - Loaded 65.5 %
Empty Loaded Cylinder Stroke Front 234 mm
Empty Loaded Cylinder Stroke Rear 149 mm
Rear axle - Oscillation 8.9 °
Service Refill Capacities
Fuel Tank 530 l
Cooling System 125 l
Crankcase 38 l
Differential - Final Drives 180 l
Steering Tank 55 l
Steering System - Including Tank 87 l
Brake/Hoist Hydraulic Tank 145 l
Brake Hoist System 227 l
Torque Converter - Transmission System 64 l
Standard Tire 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.
ROPS/FOPS Standards Standards
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.
Sound Standards Standards
Note (1) The dynamic operator sound pressure level is 79 dB(A) when “ISO R396:2008” is used to measure the value for an enclosed cab. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
Note (2) 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.
Steering Standards ISO 5010:2007
Steer Angle 40.5 °
Turning Diameter - Front 17.6 m
Turning Circle - Clearance Diameter 20.3 m
Weights - Approximate
Target Gross Machine Operating Weight 71214 kg
Chassis Weight 24900 kg
Body Weight 7665 kg
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.
Forward - 1 11.9 km/h
Forward - 2 16.3 km/h
Forward - 3 22.1 km/h
Forward - 4 29.6 km/h
Forward - 5 40.2 km/h
Forward - 6 54.2 km/h
Forward - 7 73.5 km/h
Reverse 15.6 km/h
Note Maximum travel speeds with standard 18.00R33 (E4) tires.
Final Drives
Differential Ratio 2.12:1
Planetary Ratio 4.80:1
Total Reduction Ratio 10.18:1
Brake Surface - Front 1395 cm²
Brake Surface - Rear 40225 cm²
Brake Standards ISO 3450:1996

Advantages and Features


  • Haul your materials faster with an accelerated travel speed.
  • Put more power to the ground with increased torque.
  • Enjoy greater productivity while using a more responsive TractionControl System (TCS).
  • Reduce tire wear to maximum by engaging TCS early in the slip.
  • Strong, predictable performance helps operators achieve the lowest cost per ton.


  • Up to 11% less fuel consumption.
  • Advanced Productivity Electronic Control System (APECS) allows the engine and transmission to communicate on a high level. This communication allows the machine to better utilize the power and torque the engine is producing.
  • Automatically optimize fuel consumption with the feature—Adaptive Economy mode reduces fuel use without affecting productivity and can be engaged with a single button.
  • Gain improvements in fuel efficiency with auto neutral idle.
  • Haul your 770 truck at a more fuel-efficient engine speed and gear selection with speed limiting.
  • Conserve fuel with integrated Engine Idle Shutdown by the engine automatically initiating when the truck is in park and idle for a preset amount of time.


  • Improvements in accessibility with safe, ground-level access to fuel fill and daily maintenance points.
  • Ensure three points of contact when entering and exiting the machine with strategically placed walkways and grab rails.
  • Superior brake performance meets the latest brake standards—
        ISO 3450:2011.
  • The ground-level engine shut-off switch stops all fuel to the engine when activated and shuts down the machine safely.
  • Sturdy 4-point mounted cabin meets rollover protective structure/
        falling objects protective structure (ROPS/FOPS) standard.
  • 4-point seat belt provides enhanced safety to the operator.
  • Seat belt indicator implements both visual and audible alerts to the
        operator when seat belt is not fastened.
  • Lockout features help the service technician to perform
        maintenance work on the machine with safe mode.
  • Secondary steering activates automatically in case of primary
        system failure.
  • Overload speed limiter works with truck payload system to reduce
        machine speed automatically when the truck is overloaded. 


  • Completely redesigned cab for a whole new standard in visibility, comfort, and productivity.
  • The new operator seat placement provides easier operation and comfort to the operator.
  • Improvements in enlarged views of the work area and its surroundings.
  • Access connectivity and decrease clutter with more storage areas in the newly designed cab.
  • Automatic cab temperature controls.
  • Cat next-generation deluxe seat for better operator comfort.


  • Integrated systems give you the ability to make timely, fact-based decisions to maximize efficiency, improve productivity, and lower costs.
  • Gain valuable insight into how your machine is performing by continuously monitoring and collecting vital machine data via the advisor display with the software Vital Information Management System (VIMS™).  Applicable to both U.S. EPA Tier 4 Final/EU Stage V and U.S. EPA Tier 2 equivalent.
  • The truck Production Management System (TPMS) provides accurate weighing of the materials, stores 2,400 payload cycles, and reports on, haul cycle times, and distances with date and time stamps.
  • External payload indicator lights alert the loader when to stop, reducing the risk of machine overloading.
  • Product Link™ system connects to each machine wirelessly, allowing you to monitor location, hours, fuel use, productivity, idle time, and diagnostic codes.
  • VisionLink®wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business.
  • The Cat 770 is MineStar™ ready and includes Cat Product LinkElite and VIMS to help optimize equipment management, remote monitoring capabilities, machine availability, and component life while reducing both repair costs and the risk of catastrophic failure.
  • Tons kilometers per hour/tons miles per hour (TKPH/TMPH) tire
  • management system works with TPMS for improved tire life. 


• Grouped service points.
• Control particulate matter with two engine-mounted diesel oxidation catalyst canisters. (Tier 4)
• NOx reduction system (NRS) technology replaces a portion of intake air with exhaust gas to control combustion temperatures and NOx production. (Tier 4)
• Parts commonality with other Cat equipment.
• Resolve problems before failure occurs with VIMS notifications.
• Torque converter stall (autostall) enables quick operating temperatures for best performance life.
• All LED lights provide longer life, brighter light, consume less power, and are more resistant to vibration or water damage. 


  • Get the right body option—Dual Slope, Flat Floor, or Quarry—for your material and jobsite needs.
  • For haul profiles including steep slopes, an optional Dual Slope body is available—offering excellent material retention.
  • The flat floor body is perfect for metering material, especially when
        feeding the crusher. 
  • Optimize your body life by selecting a liner package best suited
        for your application. We offer steel liners that work for most applications as well as rubber liners for extreme applications. 

Standard Equipment

  • NOTE
    • 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
    • Engine crankcase
    • Air conditioning (Developing Market Only)
    • 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 (Developing Market Only) (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: - full air suspension - retractable 3 point seat belt with shoulder harness
    • Seat, training with lap belt
    • 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) - 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 13 × 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

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • PKG, WEATHER STANDARD: - Includes the standard weather package with no heated mirrors
    • PKG COLD WEATHER PLUS: - Includes heated mirrors and fuel heater
    • PKG, WEATHER PREMIUM: - Includes fuel heater, ether aid and heated mirrors
    • PKG COLD WEATHER MAX: - 240V package, coolant heater, ether aid, heated mirrors
    • SERVICEABILITY STANDARD - SERVICEABILITY PLUS: - Centralized grease fittings
    • PERFORMANCE PACKAGE - STANDARD: - Standard brakes front dry brakes and rear oil-cooled, multiple disc brakes. - Includes front brake disconnect switch. Utilizes rear-oil cooled, multiple disc brakes.
    • PERFORMANCE PACKAGE - PLUS: - Standard Performance Package + Traction Control System
    • PERFORMANCE PACKAGE - SUPERIOR: - Standard Performance Package + Traction Control System + Extended life brakes
    • Tier 2 Equivalent C15 ACERT diesel engine
    • Tier 3 Equivalent C15 ACERT diesel engine
    • Cat Engine Brake
    • Muffler
    • Body heat/diverter
    • Flat floor
    • Quarry body
    • Dual slope
    • Steel liner option (not available on Quarry body)
    • Rubber liner option
    • Sideboards
    • Two batteries
    • Four batteries
    • HID option
    • Messenger display
    • Languages for messenger display
    • TPMS System
    • Heat
    • Air conditioning
    • Precleaner
    • Product Link GSM
    • Product Link GPS
    • No Product Link
    • WAVS cameras
    • Spare rims
    • Wheel chocks
    • Sound Suppression Package
    • Fast fill fuel