Komatsu HD785-7 Rock Truck

Komatsu HD785-7 Rock Truck Specs front
Komatsu HD785-7 Rock Truck Specs front
Komatsu HD785-7 Rock Truck Specs side
Komatsu HD785-7 Rock Truck Specs side
Komatsu HD785-7 Rock Truck Specs back
Komatsu HD785-7 Rock Truck Specs back
Units

Dimensions

Dimensions

A

Overall Length

36.14 ft in

C

Overall Height

16.57 ft in

D

Wheelbase

16.25 ft in


Specifications

Body

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

Engine

Lubrication System

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

Number of Cylinders

12

Engine Make

2238

Engine Model

SAA12V140E-3

Engine Type

Water-cooled, 4-cycle

Air cleaner

Dry type with double elements and precleaners, with dust indicator

Governor

Electronic control

Power Measured @

1900 rpm

Displacement

1860.1 cu in

Aspiration

Turbo-charged, after-cooled

Max Torque

5080N. m 518 kg. m

Bore and Stroke

140 mm x 165 mm

Horse Power: SAE J1995

1200 hp

Horse Power: ISO 9249 / SAE J1349

1178 hp

Fan drive type

Mechanical

Fuel system

Direct injection

Capacities

Fuel Tank

1308 gal

Final Drive

128 gal

Hydraulic system

175 gal

Engine Oil

129 gal

Torque converter, transmission and retarder cooling

205 gal

Differentials

137 gal

Suspension

93 gal

Break control

36 gal

Transmission

Max Speed

40.4 mph

Torque converter

3-elements, 1-stage, 2-phase

Transmission

Full-automatic, planetary type

Speed range

7 speeds forward and 2 reverse

Lockup clutch

Wet, multiple-disc clutch

Forward

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

Reverse

Torque converter drivee, direct drive (lockup)

Shift control

Electronic shift control with automatic clutch modulation in all gears

Weights

Gross Weight

361073.1 lb

Empty Weight

158732.9 lb

Weight Distribution Front - empty

47 %

Weight Distribution Rear - empty

53 %

Weight Distribution Front - loaded

31.4 %

Weight Distribution Rear - loaded

68.6 %

Tires

Standard tire

27.00 R49

Axles

Final Drive

Planetary gear

Differential

3.357

Planetary

6.333

Rear

Full-floating

Hydraulic System

Hoist cylinder

Twin, 2-stage telescopic type

Relief pressure

20.6 MPa 210 kg/cm2

Hoist time

Raise-13 s; Lower-14 s

Brakes

Service brake

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

Parking brake

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

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

Dimensions

Turning Radius

33.2 ft in

Width Over Tires

17.1 ft in

Overall Length

36.2 ft in

Overall Height

16.6 ft in

Wheelbase

16.3 ft in