Komatsu HD785-7 Truck 

Manufacturer:Komatsu

Price:N/A

Series:NA

Model:HD785-7

Equipment Type: Rock Trucks

Factory:NA

Full Specifications

Dimensions

Overall Length
36.14 ft in
Overall Height
16.57 ft in
Wheelbase
16.25 ft in
Turning Radius
33.14 ft in
Width Over Tires
17.07 ft in

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
Max Torque
5080N. m 518 kg. m
Aspiration
Turbo-charged, after-cooled
Displacement
1860.1 cu in
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

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

Also See