777E


  • ENGINE
    UNITS: METRIC
    Engine Model Cat C32 ACERT
    Engine Speed 1,750 rpm
    Engine Power – ISO 14396 749 kW
    Gross Power – SAE J1995 758 kW
    Net Power – SAE J1349 708 kW
    Net Torque @ 1,300 rpm 4757 N·m
    Net Torque Rise 23%
    Cylinders 12
    Bore 145
    Stroke 162
    Displacement 32.1 L
    TRANSMISSION
    UNITS: METRIC
    Forward 1 10.7 km/h
    Forward 3 19.8 km/h
    Forward 5 36.2 km/h
    Forward 7 65.9 km/h
    Reverse 1 12.1 km/h
    FINAL DRIVES
    UNITS: METRIC
    Differential Ratio 2.74:1
    Planetary Ratio 7.00:1
    Total Reduction Ratio 19.16:1
    BRAKES
    UNITS: METRIC
    Brake Surface Area Front Caliper 2787 cm2
    Brake Surface Area Front OCDB 40 846 cm2
    Brake Surface Area – Rear 102 116 cm2
    Brake Standard ISO 3450:2011
    BODY HOISTS
    UNITS: METRIC
    Pump Flow – High Idle 491 L/min
    Body Raise Time – High Idle 15 seconds
    CAPACITY – DUAL SLOPE
    UNITS: METRIC
    Struck 42.1 m3
    Heaped 2:1 (SAE) 60.1 m3
    CAPACITY – X BODY
    UNITS: METRIC
    Struck 43.1 m3
    Heaped 2:1 (SAE) 64.1 m3
    Relief Valve Setting – Lower 18950.0 kPa
    WEIGHT DISTRIBUTIONS – APPROXIMATE
    UNITS: METRIC
    Front Axle – Empty/Loaded 44%/30%
    Rear Axle – Empty/Loaded 56%/70%
    SUSPENSION
    UNITS: METRIC
    Effective Cylinder Stroke – Front 318
    Effective Cylinder Stroke – Rear 165
    Rear Axle Oscillation 5.4°
    SOUND
    UNITS: METRIC
    Sound Standards ISO 6393:2008, SAE J1166:2008
    STEERING
    UNITS: METRIC
    Steering Standard ISO 5010:2007
    Steer Angle 30.5°
    Turning Diameter – Front 25.3 m
    Turning Circle Clearance Diameter 28.4 m
    TIRES
    UNITS: METRIC
    Standard Tire 27.00R49 (E4)
    TIRES
    UNITS: METRIC
    Standard Tire 27.00-R49 (E4) Tire
    SERVICE REFILL CAPACITIES
    UNITS: METRIC
    Fuel Tank 1140 L
    Cooling System 212 L
    Crankcase 113.5 L
    Differentials 222 L
    Final Drives (each) 42 L
    Steering System (includes tank) 59 L
    Torque Converter/Brake/Hoist Hydraulic Tank 385 L
    Transmission System 122 L

  • POWER TRAIN

    The updated Cat® C32 ACERT™ engine and powerful torque converter with ECPC (Electronic Clutch Pressure Control) Transmission provides superior performance. The ECPC Transmission with controlled throttle shifting regulates engine speed, torque converter lock-up and transmission clutch engagement for smoother shifts, reduced clutch wear and longer component life.

    FUEL ECONOMY

    The 777E fuel saving strategies find opportunities to reduce fuel burn and fuel costs.

    Economy Mode modifies engine maps to take advantage of steady grades and level ground, reducing power and fuel burn.

    Speed Limiting automatically selects the most fuel efficient gear and speed for the terrain instantaneously.

    Engine Idle Shutdown identifies when the truck is in park and idles for more than a preset time, and initiates engine shutdown to conserve fuel.

    ENGINE OVER SPEED PROTECTION

    Electronically senses engine conditions and automatically up-shifts one gear to prevent over speeding. If over speeding occurs in the top gear, the lock-up clutch is disengaged, and the brakes are applied.

    OPERATOR COMFORT

    The all new operator station interior is ergonomically designed for total machine control in a comfortable, productive and safe environment. All controls, levers, switches and gauges are positioned to maximize productivity and minimize operator fatigue. Designed for excellent all-around visibility and clear sight lines to the haul road, the large viewing area offers exceptional visibility. The well positioned hand rails ensure three point contact for safe and easy access and emergency egress for the operator.

    DIAGNOSTIC CAPABILITY

    Critical power train data, including transmission shifting, engine speed and fuel consumption, provides service technicians with enhanced diagnostic capability to reduce downtime and operating costs.

    ELECTRONIC TECHNICIAN (ET)

    Cat ET service tool provides service technicians with easy access to stored diagnostic data through the Cat Data Link.

    CAB AND ACCESS

    The 777E cab interior, is completely redesigned to provide better visibility and comfort for the operator. Features include a new dash, advisor display and redesigned center console. Rollover and Falling Object Protection is an extension of the truck frame.

    OPERATOR SEAT

    The Cat Comfort Seat uses full air suspension to smooth rough rides, and has a retractable four-point seat belt with a shoulder harness. A Trainer seat with a lap belt to facilitate on-the-job training.

    BRAKES

    The Cat Front dry caliper with rear oil-cooled multiple disc brakes deliver reliable performance and control in the most extreme haul-road conditions. Wet brakes on rear wheels and gear limiting during body up operations are both standard. If equipped with front oil cooled multiple disc brakes, four corner retarding with a 40/60 percent front/rear split provides superior control in slippery conditions and minimizes wheel lock-up.

    AUTOMATIC RETARDER CONTROL (ARC) (Optional)

    ARC controls braking on grade electronically, maintaining consistent engine speed, lower fuel burn, and better control.

    TRACTION CONTROL SYSTEM (TCS) (Optional)

    The Traction Control System electronically monitors and controls rear wheel slippage for greater traction and enhanced truck performance in poor underfoot conditions. If slippage exceeds a set limit, the rear wet brakes engage to slow the spinning wheel. Torque is then automatically transferred to the wheel with better traction and optimum control.

    STEERING

    Cat integrated steering and suspension system is designed for precise steering, excellent maneuverability, minimal tire wear and superior ride control.

    SECONDARY STEERING

    Automatically engages if power source for the normal steering fails.

    DURABILITY

    Rear wheel spindles are solid steel for longer life, and the rear suspension cylinders have been inverted to minimize contamination. These rugged cylinders use large diameter bore and low pressure nitrogen/oil design for long life with minimal maintenance.

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