hd785 - rigid dump truck

Download HD785 - Rigid Dump Truck

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  • GROSS HORSEPOWER895 kW 1,200 HP

    NET HORSEPOWER879 kW 1,178 HP

    MAXIMUM GVW166000 kg 366,000 lb

    Machine shown may include optional equipment.

    HD

    785

    HD785-7

    STANDARD EQUIPMENT FOR BASE MACHINE

    OPTIONAL EQUIPMENT

    CAB: Air conditioner Heater and defroster Operator seat, air suspension type Power window (RH) Radio, AM/FM with cassette Sunvisor, additional

    BODY: Body liners Platform guard, right hand side Muffler (without body heating)

    LIGHTING SYSTEM: Buck-up light additional Back work lights, left and right sides Fog lights LED rear combination lights

    SAFETY: Antilock Brake System (ABS) Automatic Spin Regulator (ASR) Exhaust retarder Rear view camera and monitor Tire stopper blocks

    ARRANGEMENT: Batteries for cold area arrangement Cold area arrangement Sandy and dusty area arrangement

    OTHER: Auto-greasing system Engine coolant heater Engine oil pan heater Engine side cover Engine underguard Fire extinguisher Fuel quick charge

    Payload meter Spare parts for first service Three-mode hydropneumatic suspension Tool kit Transmission underguard Vandalism protection VHMS with satellite communication kit

    TIRES: 31/90 R49

    ENGINE: Automatic Idling Setting System (AISS) Alternator, 90A/24V Batteries, 4 x 12V/170Ah EPA Tiea 2 emission regulation certified

    engine, Komatsu SAA12V140E-3 Mode selection system with VHPC Starting motor, 2 x 7.5 kW

    CAB: Ashtray Cigarette lighter Cup holder Electronic dump control system with

    body positioner Electronic maintenance

    display/monitoring system Laminated glass, front Operator seat, reclining, suspension type

    with retractable 78 mm 3" width seat belt Passenger seat with retractable seat belt Power window (LH) ROPS cab with FOPS, sound

    suppression type Space for lunch box Steering wheel, tilt and telescopic

    Sunvisor Two doors, left and right Windshield washer and wiper

    (with intermittent feature)

    LIGHTING SYSTEM: Back-up light Hazard lights Headlights Indicator, stop and tail lights

    GUARD AND COVERS: Cab guard Canopy spill guard Drive shaft guard (front and rear) Exhaust thermal guard Fire protective covers

    SAFETY EQUIPMENT: Alarm, backup Anti-pitching 4-wheel oil-cooled multiple

    disc retarder (AP-FOUR) Automatic Retard Speed Control (ARSC) Automatic supplementary steering Coolant temperature alarm and light Hand rails for platform

    Horn, electric Ladders, left and right hand sides Overrun warning system Rearview mirrors and under view mirrors

    OTHER: Centralized greasing Electric circuit breaker, 24V Disc wheels (Flange type rims) Mud guards Vehicle health monitoring system

    (VHMS)

    BODY: Body exhaust heating Cab guard, left side Spill guard, 150mm 6"

    TIRES: 27.00 R49

    www.komatsu.com Printed in Japan 200810 IP. P. AD(15)

    Materials and specifications are subject to change without noticeis a trademark of Komatsu Ltd. Japan

    Standard equipment may vary for each country, and this specification sheet may contain attachments and optional equipmentthat are not available in your area. Please consult your Komatsu distributor for detailed information.

    CEN00136-03

    OFF-H

    IGHW

    AYT

    RUCK

  • WALK-AROUNDHD785-7OFF-HIGHWAY TRUCKHD785-7 O F F - H I G H W AY T R U C K

    32

    GROSS HORSEPOWER895 kW 1,200 HP @ 1900 rpm

    NET HORSEPOWER879 kW 1,178 HP @ 1900 rpm

    MAXIMUM GVW166000 kg 366,000 lb

    Machine shown may include optional equipment.

    Productivity and Economy Features High performance Komatsu SAA12V140E-3 engine

    Net horsepower 879kW 1,178HP Mode selection system with variable horsepower control (VHPC) Two-speed selective reverse gears of RH and RL Anti-pitching 4-wheel oil-cooled multiple-disc retarder (AP-FOUR)

    Retarder absorbing capacity1092kW 1,464HP (Continuous descent)

    Automatic retard speed control (ARSC) as standard

    Harmony with Environment Komatsu SAA12V140E-3 engine is

    EPA Tier 2 emission regulation certified Lead-free radiator Low operation noise Low fuel consumption

    Operator Environment and Safety Spacious cab with excellent visibility Ergonomically designed cab Easy-to-see instrument panel Synchronous control of engine and transmission Advanced K-ATOMiCS with Skip-shift function Viscous cab mounts Electric body dump control Built-in ROPS/FOPS cab Parking brakes on 4-wheels Supplementary steering Pedal-operated secondary brake Three-mode automatic hydropneumatic

    suspension (Option)

    Reliability Features Flat face-to-face O-ring seals Sealed DT connectors

    Easy Maintenance Oil-cooled multiple-disc brakes

    and fully hydraulic controlled braking system

    Extended oil change interval Disc Wheels (Flange type rims) Electric circuit breaker Vehicle Health Monitoring System

    (VHMS)

  • Automatic selection Selection with the switch

    700

    800

    900kW

    P

    E

    Powermode

    Economymode

    895kW(1200HP)

    809kW(1085HP)

    750kW(1005HP)

    698kW(936HP)

    5

    HM350-1ARTICULATED DUMP TRUCK

    4

    PRODUCTIVITY & ECONOMY FEATURESHD785-7OFF-HIGHWAY TRUCKHD785-7 O F F - H I G H W AY T R U C K

    Mode selection system with VHPCThe system allows selection of the appropriate modebetween two modes or according to each working condition. The mode is easilyselected with a switch in the operators cab. When the keyswitch is turned on, Economy mode is selected automati-cally. Select Power mode by using the switch when needed.

    AP-FOUR (Anti-pitching 4-wheel oil-cooled multi-ple disc retarder)The machine is equipped with 4-wheel retarder AP-FOUR(Anti-pitching 4-wheel oil-cooled multiple disc retarder) thatapplies retarding force on all four wheels. With this retarder,the retarding force is shared between four wheels.This reduces the possibility of tire-lock and enables effec-tive use of retarder capacity, allowing stable downhill travel.The machine descends slopes smoothly and comfortablywithout machine body pitching since retarding force onfront and rear wheels is controlled independently.

    Auto Retard Speed Control (ARSC)ARSC allows the operator to simply set the downhill travelspeed and go down slopes at a constant speed. As aresult, the operator can concentrate on steering. The speedcan be set at increments of 1 km/h 0.6 MPH per click (5km/h 3.1 MPH of setting speed adjustment) to match theoptimum speed for the slope. Also, since the retarder cooling oil temperature is always monitored, the speed isautomatically lowered.

    High performance Komatsu SAA12V140E-3engineThis engine delivers faster acceleration and higher travelspeeds with high horsepower per ton. Advanced technology,such as High Pressure Common Rail injection system(HPCR), air-to-air aftercooler efficient turbo-chargerenables the engine to be North American EPA Tier 2 emis-sion certified. High torque at low speed, impressive acceler-ation, and low fuel consumption ensure maximum productiv-ity.

    Go down slope at constantspeed

    UP

    SET

    DOWNCANCEL

    AUTO RETARDSPEED CONTROL

    Conventional

    AP-FOUR

    R : Retarder( 2-Wheel )

    F, R : Retarder( 4-Wheel )

    Retarder absorbing capacity 1092 kW 1,464 HP (continuous descent)

    Brake surface areaFront total : 37467 cm2 5,807 in2Rear total : 72414 cm2 11,956 in2F7-R2 (RH/RL) fully automatic transmission

    The transmission is configured with 7 forward and 2reverse gears. Fully automatic control is applied to all for-ward gears and an optimum gear is automatically selectedaccording to the travel speedand engine speed. The shift-ing point is automaticallyselected depending on theacceleration of the machineto reduce excessive fuelconsumption.

    VHPC (Variable horsepower control)Both in Power and Economy modes, the VHPC systemdetects whether machine condition is loaded or unloadedand selects optimum horsepower setting mode, providingboth high production and low fuel consumption.

    Power mode: Makes best use of the horsepower toattain optimal production. This mode is suitable for operationin job sites including uphill travel with load where throughputtakes top priority.

    Economy mode: Sets the maximum horsepower at lowlevel to reduce fuel consumption. The machine maintainssufficient power for normal operation in this mode.

    Two-speed selective reverse gears (RH/RL)In order to meet various operating conditions, two reversegears are provided. The switch on the panel allows theoperator to select optimum reverse gear of RH or RLdepending on the job site conditions at hand. Furthermore,the reverse gear is equipped with a lockup clutch, just likeforward gear, allowing the operator to reverse the machinewithout worrying about overheating.RHSuitable for normal operation. Thanks to the lockup clutch,the machine can be reversed at higher speed than the cur-rent machine while having the same rimpull.RLSuitable for operation in job sites where there are steepgrades.

  • OPERATOR ENVIRONMENTHD785-7OFF-HIGHWAY TRUCKHD785-7 O F F - H I G H W AY T R U C K

    6 7

    Automatic Idling Setting System (AISS)This system facilitates quick engine warm-up and cab cool-ing/warming. When setting the system ON,engine idle speed is kept at 945 rpm whencoolant temperature is 50C 122F or lower.Speed automatically returns to 750 rpm whencoolant temperature reaches 50C 122F.

    Small turning radiusThe MacPherson strut type front suspension has a specialA-frame between each wheel andthe main frame. The widerspace created between thefront wheels and the mainframe increases the turn-ing angle of the wheels.The larger this turningangle, the smaller the turn-ing radius of the truck.

    10.1m 332"

    A-frame

    Long wheelbase and wide tread

    With an extra-long wheelbase, a wide tread and an