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Komatsu Rigid Dump Trucks HD785-7 1900 min-1 12 Cylinder Water-cooled, 4-cycle Engine

Jaffer Brothers (Private) Limited

Call For Price

Product Details:

Manufacturer: Komatsu
Made in: JAPAN
Condition: new
Purpose: Sale
Model number: HD785-7
Location: Karachi

Description:

Komatsu - Dump Trucks

Dump Trucks r loaders are used for loading and carrying. The application is not limited to civil engineering but they are serviceable in a wide range of work like solid waste management in narrow lanes and garbage dumps, livestock, farming and gardening. Moreover, by replacing the bucket with a fork, they can also serve as a material- handling machine.

 

SPECIFICATIONS

ENGINE

Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Komatsu SAA12V140E-3

Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle

Aspiration . . . . . . . . . . . . . . . . . . . . . . . Turbo-charged, after-cooled

Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Bore x Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 mm x 165 mm

Piston displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30.48 L

Horsepower

 SAE J1995 . . . . . . . . . . . . . . . . . . . . . . . . .Gross 895 kW 1200 HP

ISO 9249 / SAE J1349 . . . . . . . . . . . . . . . . . .Net 879 kW 1178 HP

 Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1900 min-1

Fan drive type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mechanical

Maximum torque . . . . . . . . . . . . . . . . . . . . . . . . . 5080 N m 518 kgm

Fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Direct injection

Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electronic control

Lubrication system

 Method . . . . . . . . . . . . . . . . . . . . . . . Gear pump, force-lubrication

 Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Full-flow type

Air cleaner . . . . . . . Dry type with double elements and precleaners,

with dust indicator

 

 

TRANSMISSION

Torque converter . . . . . . . . . . . . . . . . . 3-elements, 1-stage, 2-phase

Transmission . . . . . . . . . . . . . . . Full-automatic, planetary-gear type

Number of gear . . . . . . . . . . . . . . . 7 forward and 2 reverse (RH, RL)

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

Maximum 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 dampen vibration.

Effective cylinder stroke:

 Front suspension . . . . . . . . . . . . . . . . . . . . . . . . . . 320 mm max.

 Rear suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . .127 mm max.

Rear axle oscillation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5° max.

 

STEERING SYSTEM

Type . . Fully hydraulic power steering with two double-acting cylinders

Secondary steering . . . . . . . . . . . . . . . .Meets ISO 5010, SAE J1511

Minimum turning radius . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1 m

Maximum steering angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41°

 

CAB

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:

 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72414 cm2 

 

BODY

Capacity:

 Struck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 m3

 Heaped (2:1, SAE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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°

Height fully raised . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10080 mm

Bond prevention . . . . . . . . . . . . . . . . . . . . . .Heating by exhaust gas

 

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

 

WEIGHT (APPROXIMATE)

Rated Empty Vehicle Weight (EVW) . . . . . . . . . . . . . . . . . . 72000 kg

 Excludes optional equipments and operator.

Rated Gross Vehicle Weight (GVW) . . . . . . . . . . . . . . . . . 163780 kg

 Includes optional equipments, operator (80 kg) and payload.

Distribution:

 Empty: Front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47%

 Rear axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53%

 Loaded: Front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.4%

 Rear axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68.6%

 

SERVICE REFILL CAPACITIES

Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1308 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

Suspensions (Total) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 L

 

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