Komatsu HD785-7 карьерный самосвал

Двигатель и топливная система
Двигатель

Water-cooled, 4-cycle

Модель двигателя

SAA12V140E-3

Объем двигателя

30.5L

Система наддува двигателя

turbo-charged, after-cooled

Engine Oil

488.4L

Число цилиндров двигателя

12

Топливный бак

4951.4L

Максимальный крутящий момент

5080N. m 518 kg. m

Трансмиссия
Transmission

Full-automatic, planetary type

Максимальная скорость

65 км/ч

Forward

Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears

Reverse

Torque converter drivee, direct drive (lockup)

Габариты и масса
Полная высота

5050mm

Полная длина

11015mm

Ширина по шинам

5200mm

Эксплуатационная масса

72000kg

Gross Weight

163780kg

Гидравлическая система
Hydraulic System

662.5L

Ходовая часть
Колесная база

4950mm

Rear Tires

Full-floating

Turning Radius

10100mm

Standard Tire

27.00 R49

Технические характеристики
Объем до краёв

30.6m3

Heaped (2:1, Sae)

45.9m3

Payload

91.7 metric tons

Material

400 Brinell hardness high tensile strength steel

Material Thickness-Bottom

19mm

Material Thickness-Front

12mm

Material Thickness-Sides

9mm

Target Area

7070 mm x 5150 mm

Heating

Heating by exhaust gas

Structure

V-shape body with V-bottom

Dumping Angle

48°

Height At Full Dump

10080mm

Lubrication System

Method- Gear pump, force-lubrication, Filter-Full-flow type

Air Cleaner

Dry type with double elements and precleaners, with dust indicator

Governor

Electronic control

Bore And Stroke

140 mm x 165 mm

Horse Power: Sae J1995

894.9kw

Fan Drive Type

Mechanical

Fuel System

Direct injection

Differentials

518.7L

Suspension

352.1L

Break Control

136.3L

Torque Converter

3-elements, 1-stage, 2-phase

Speed Range

7 speeds forward and 2 reverse

Lockup Clutch

Wet, multiple-disc clutch

Shift Control

Electronic shift control with automatic clutch modulation in all gears

Final Drive

Planetary gear

Differential

3.357

Planetary

6.333

Hoist Cylinder

Twin, 2-stage telescopic type

Relief Pressure

20.6 MPa 210 кг/см2

Hoist Time

Raise-13 s, Lower-14 s

Parking Brake

Spring applied, multiple-disc type(actuates on all wheels)

Service Brake

Front- Fully hydraulic control, oil-cooled multiple-disc type, Rear- Fully hydraulic control, oil-cooled multiple-disc type

Retarder

Oil-cooled, multiple-disc front and rear brakes act as retarder.

Secondary Brake

Pedal operation When hydraulic pressure drops below the rated level, parking brake is automatically actuated

Brake Surface

Front- 37467 cm2 , Rear-37467 cm2