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Komatsu - Bulldozer D63E-12 1800 rpm 6 cylinders 4-stroke cycle, water-cooled, direct injection Engine

Jaffer Brothers (Private) Limited

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Product Details:

Manufacturer: Komatsu
Made in: JAPAN
Condition: new
Purpose: Sale
Model number: D63E-12
Location: Karachi

Description:

Komatsu - Bulldozer

Bulldozer pushes earth and rocks with a blade installed at the machine’s front end. Large- sized crawler dozers normally have a set of claws called a ripper that is installed at the machine’s rear end and can crush a hard rock.

 

SPECIFICATIONS

ENGINE

Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SA6D114E-2

Type . . . . . . . . . . . . . . . 4-stroke cycle, water-cooled, direct injection

Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . Turbocharged, aftercooled

Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Bore x stroke. . . . . . . . . . . . . . . . . 114 mm x 135 mm 4.49" x 5.31"

Piston displacement . . . . . . . . . . . . . . . . . . . . . . . . . 8.27 ltr 5.05 in3

Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . All-speed, Mechanical

Horsepower

SAE J1995 . . . . . . . . . . . . . . . . . . . . . . . . . Gross 127kW 170HP

ISO 9249 / SAE J1349 . . . . . . . . . . . . . . . . . . Net 116kW 155HP

Rated rpm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800rpm

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

Lubrication system

Method . . . . . . . . . . . . . . . . . . . . . . Gear pump, forced lubrication

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

Net maximum torque. . . . . . 824 N•m 84 kg•m 608 lb ft @ 1300 rpm

 

TORQFLOW TRANSMISSION

Komatsu’s TORQFLOW transmission consists of a water-cooled,

3-element, 1-stage, 1-phase torque converter and a planetary gear,

multiple-disc clutch transmission which is hydraulically actuated and

force-lubricated for optimum heat dissipation. Joystick control of

gears (3 forward and 3 reverse) and directional steering changes.

Gearshift lock lever and neutral safety switch prevent machine

from accidental starts.

Travel speed                        Forward                                   Reverse

1st                                 0–3.4 km/h 0–2.1 mph           0–4.4 km/h 0–2.7 mph

2nd                                0–5.8 km/h 0–3.6 mph           0–7.5 km/h 0–4.7 mph

3rd                                 0–9.0 km/h 0–5.6 mph           0–11.0 km/h 0–6.8 mph

 

FINAL DRIVES

Spur gear double-reduction, final drives increase tractive effort.

Segmented sprocket are bolt-on for easy in-the-field replacement.

 

STEERING SYSTEM

Joystick controls for all directional movements. Pushing the joystick

forward results in forward machine travel, while pulling it rearward

reverses the machine. Simply tilt the joystick to the left to make a

left turn. Tilt it to the right for a right turn.

Wet, multiple-disc steering clutches are hydraulically loaded and

hydraulically released. Wet, multiple-disc pedal-controlled steering

brakes are spring-actuated and hydraulically released.

Steering brakes also function as service and parking brakes.

Minimum turning radius*:. . . . . . . . . . . . . . . . . . . . . . . . 3.3 m 10'10"

*As measured by track marks on ground.

 

UNDERCARRIAGE

Suspension . . . . . . . . . . . . . . . . . . . . . Oscillation with equalizer bar

and forward mounted pivot shafts

Track roller frame . . . . . . . . . . . . . . . . . . . Monocoque, large section,

durable construction

Track shoes. . . . . . . . . . . . . . . . Lubricated tracks. Unique dust seals

for preventing entry of foreign abrasives into

pin-to-bushing clearances for extended service.

Track tension is easily adjusted with a grease gun.

Number of carrier rollers (each side). . . . . . . . . . . . . . . . . . . . . . . . 2

Number of track rollers (each side) . . . . . . . . . . . . . . . . . . . . . . . . . 6

Number of shoes (each side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Grouser height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 mm 2.6"

Shoe width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560 mm 22"

Track gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1925 mm 6'4"

Length of track on ground. . . . . . . . . . . . . . . . . . . . . . . 2725 m 8'11"

Ground contact area . . . . . . . . . . . . . . . . . . . . . 30520 cm2 4,730 in2

Ground pressure . . . . . . . . . . . . . . . . 59.8 kPa 0. 61 kg/cm2 8.67 psi

 

COOLANT AND LUBRICANT

CAPACITY (REFILL)

Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 ltr 83.3 U.S. gal

Coolant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 ltr 11.6 U.S. gal

Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 ltr 5.0 U.S. gal

Damper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 ltr 0.3 U.S. gal

Transmission, bevel gear,

and steering system . . . . . . . . . . . . . . . . . . . 69 ltr 18.2 U.S. gal

Final drive (each side) . . . . . . . . . . . . . . . . . . 28.5 ltr 7.5 U.S. gal

 

OPERATING WEIGHT (APPROXIMATE)

Tractor weight:

Including rated capacity of lubricant, coolant, full fuel tank, operator

and standard equipment. . . . . . . . . . . . . . . . . . . 14645 kg 32,290 lb

 

Operating weight:

Including Semi-U dozer, steel cab, ROPS canopy, single shank

ripper, rated capacity of lubricant, coolant, full fuel tank, operator and

standard equipment.. . . . . . . . . . . . . . . . . . . . . . 18500 kg 40,790 lb

 

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