Komatsu HD785-7 Rock Truck

SKU: HD785-7 Category: ,
Weights
Empty Weight

158732.9 lb

Gross Weight

361073.1 lb

Engine & Fuel System
Engine Make

2238

Engine Model

SAA12 V140E-3

Engine Oil

129 gal

Engine Type

Water-cooled, 4-cycle

Fuel System

Direct injection

Fuel Tank

1308 gal

Max Torque

5080N. m 518 kg. m

Torque Converter

3-elements, 1-Stage, 2-phase

Horse Power: Sae J1995

1200 hp

Number Of Cylinders

12

Power Measured @

1900 rpm

Aspiration

turbo-charged after-cooled

Displacement

1860.1 cu in

Air Cleaner

Dry type with double elements and precleaners, with dust indicator

Lubrication System

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

Drive System
Brake Surface

Front- 37467 cm2 , Rear-37467 cm2

Final Drive

Planetary gear

Parking Brake

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

Secondary Brake

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

Service Brake

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

Hydraulic System
Hydraulic System

175 gal

Dimensions, Wheels & Tires
Standard Tire

27.00 R49

Wheelbase

16.25 ft in

Width Over Tires

17.07 ft in

Turning Radius

33.14 ft in

Overall Length

36.14 ft in

Overall Height

16.57 ft in

Rear

Full-floating

Transmission
Transmission

Full-automatic, planetary type

Max Speed

40.4 mph

Speed Range

7 speeds forward and 2 reverse

Forward

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

Reverse

Torque converter drivee, direct drive (lockup)

Technical Specs
Capacity - Struck

40 yd3

Heaped (2:1, Sae)

60 yd3

Payload

91.7 metric tons

Material

400 Brinell hardness high tensile strength steel

Material Thickness-Bottom

0.8 in

Material Thickness-Front

0.5 in

Material Thickness-Sides

0.4 in

Target Area

7070 mm x 5150 mm

Heating

Heating by exhaust gas

Structure

V-shape body with V-bottom

Dumping Angle

48 degrees

Height At Full Dump

33.1 ft in

Governor

Electronic control

Bore And Stroke

140 mm x 165 mm

Fan Drive Type

Mechanical

Differentials

137 gal

Suspension

93 gal

Break Control

36 gal

Lockup Clutch

Wet, multiple-disc clutch

Shift Control

Electronic shift control with automatic clutch modulation in all gears

Differential

3.357

Planetary

6.333

Hoist Cylinder

Twin, 2-stage telescopic type

Relief Pressure

20.6 MPa 210 kg/cm2

Hoist Time

Raise-13 s, Lower-14 s

Retarder

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