HD785-7

REQUEST QUOTE / INFORMATION

 

163,780 Kg

Operating Weight

1178 HP

Engine Power

91.7 Ton

Payload Capacity

OVERVIEW

FEATURES

ECOLOGY & ECONOMY

  • Komatsu U.S EPA Tier 2 Emission Certified Engine
  • Mode Selection System with Variable Horse Power Control (VHPC)

PERFORMANCE

  • Automatic Retard Speed Control (ARSC) as standard
  • Komatsu Advanced Transmission with Optimum Modulation Control System (K-AT0MiCS) with Skip Shift Function 
  • Synchronous Control of Engine and Transmission
  • Komatsu Traction Control System (KTCS) - Optional

OPERATOR COMFORT

  • Ergonomically Designed Cab
  • Air Suspension seat (Optional)
  • Three-mode Automatic Hydropneumatic Suspension (Optional)
  • Rear view monitor system (Optional)
  • Built-in ROPS/FOPS Cab (ISO 3471/ISO 3449)
  • Secondary Steering and Brake
  • Low Operation Noise
  • Electronic Hoist Control

INFORMATION & COMMUNICATION TECHNOLOGY (ICT)

  • Easy-to-see Instrumental Panel
  • KOMTRAX Plus

RELIABILITY

  • Robust Dump Body Design
  • Payload Meter (PLM)
  • Loading Policy
  • High-rigidity Frame

MAINTENANCE

  • Extended Oil Change Interval
  • Disc Wheels (Flange type rim)
  • Electric Circuit Breakers

Specifications

ENGINE

Model   Komatsu SAA12V140E-3
Type   Water-cooled, 4-cycle
Aspiration   Turbocharged, aftercooled
Number of cylinders   12
Bore   140 mm
Stroke   165 mm
Piston displacement   30.48 ltr
     
HORSEPOWER:    
SAE J1995 - Gross 895 kW 1200 HP
ISO 9249 / SAE J1349 - Net 879 kW 1178 HP
Rated rpm   2000 min-1
Air Cleaner   Dry type double elements & precleaners, with dust indicator
Governor   Electronic control

 

TRANSMISSION

Torque converter   3-elements, 1-stage, 2-phase
Transmission   Full-automatic, planetary-gear type
Speed range   7 forward and 2 reverse (RH, LH)
Lockup clutch   Wet, multiple-disk clutch
Forward   Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears
Reverse   Torque converter drive, direct drive (Lockup)
Shift control   Electronic shift control with automatic clutch modulation in all gears
Max. travel speed   65 km/h

AXLES

Rear Axles   Full-floating
Final drive type   Planetary gear
Ratios : Differential 3.357
  Planetary 6.333

SUSPENSION SYSTEM

Independent, hydropneumatic suspension cylinder with fixed throttle to damper vibration

Effective cylinder stroke (Front suspension) Front Suspension 303 mm max
  Rear Suspension 127 mm max
Rear axle oscillation   
  6.5 degree max

STEERING SYSTEM

Type   Fully hydraulic power steering with two double-acting cylinders
Secondary steering   Manual control (ISO 5010, SAE J1511)
Minimum turning radius   10.1 m
Articulation angle   41 degree

CABIN

Standard   FOPS (ISO 3449 level 2), ROPS (ISO 3471)

MAIN FRAME

Type   Box-sectioned structure, integral front bumper

BRAKES

Brakes meet ISO 3450 standard

Service brakes   Fully hydraulic control oil-cooled multiple-disc type (front & rear)
Parking brake   Spring applied, multiple-disc front & rear brakes act as retarder
Secondary brake   pedal operation
When hydraulic pressure drops below the rated level, parking brake is auto actuated Brake surface : Front 37467 cm2
  Rear 72414 cm2

BODY (GENERAL PURPOSE BODY)

Capacity   60 m3
Rated Payload   91.7 metric tons
Material   400 Brinell hardness high tensile strength steel
Structure   V-Shape body with V-bottom
Material Thickness : Bottom 19 mm
  Front 12 mm
  Sides 9 mm
Target area (Inside length x width)   7070 mm x 5150 mm
Dumping angle   48 degree
Height fully raised   10080 mm

HYDRAULIC SYSTEM

Hoist Cylinder   Twin, 2-stage telescopic type
Relief pressure   20.6 Mpa 210 kg/cm3
Hoist time : Raise 13 sec
  Lower 14 sec

WEIGHT (APPROXIMATE)

Rated Empty Vehicle Weight   72000 kg
Rated Gross Vehicle Weight   163780 kg
Weight Distribution : Empty : Front Axle 47%
    Rear Axle 53%
  Loaded : Frony Axle 31.4%
    Rear Axle 68.6%

TIRES

Standard Tire   27.00 R49

SERVICE REFILL CAPACITIES

Fuel Tank   1.308 L
Engine Oil   129 L
Torque Converter, transmission and retarder cooling   205 L
Differential   137 L
Final Drives (Total)   128 L
Hydraulic system   175 L
Brake Control   36 L
Suspension (Total)   93 L

Standard

ENGINE

  • Automatic Idling Setting System (AISS)
  • Alternator, 90A/ 24V
  • Batteries, 4 x 12V / 170Ah
  • EPA Tier2 emission regulation certified engine, Komatsu SAA12V140E-3
  • Model selection system with VHPC
  • Starting motor, 2 x 7.5 kW

CABIN

  • Electronic dump control system with body positioner
  • Electronic maintenance display
  • Passanger seat with retractable seat belt
  • ROPS cab with FOPS, sound suppression type
  • Steering wheel, tilt and telescopic
  • Windshield washer and wiper

HYDRAULIC SYSTEM

  • Arm holding valve
  • Boom holding valve
  • Clogging sensor for hydraulic oil return filter
  • Pilot filter
  • Power maximizing system
  • Pressure Proportional Control (PPC) hydraulic control system
  • Two-mode setting for boom
  • Working mode selection system

SAFETY EQUIPMENT

  • Alarm, backup
  • Anti-pitching 4-wheel oil-cooled multiple disk retarder (AP-FOUR)
  • Automatic Retard Speed Control (ARSC)
  • Automatic supplementary steering
  • Coolant temperature alarm and light
  • Hand rails for platform
  • Ladders, left & right hand sides

LIGHTING SYSTEM

  • Back-up light
  • Hazard lights
  • Headlights
  • Indicator, stop and tail lights

BODY

  • Body exhaust heating
  • Cab guard, left side
  • Spill guard, 150mm

Optional

  • NONE