<![CDATA[Excavator is units of the heavy equipment that serves the physical development sectors such as mining excavations in the area , establishing or expanding roads and expand agricultural land and other physical development . One part of the excavator that has a very large role in the undercarriage . Undercarriage is a component of the heavy equipment that serves as a driver and has a track drive right and left track drive . This research was conducted with the aim to make modeling as excavators in general by using materials available in the market . Next calculate the speed , direction of turn with a different variation of the track ( ceramic , asphalt , soil ) and the maximum tilt angle that can be achieved by the excavator . From the test data and calculations have been carried out with 3 times the gear reduction is obtained without load speed excavator bucket is 0.25 m / s while using a load of 1.5 kg bucket excavator speed is 0.24 m / s at the track ceramics . While the direction of maximum inflection occurs on the track with a diameter ceramic to turn right for 995 mm and 782 mm turn left . At the maximum angle of incline can be obtained at 10 degrees . Key Word : excavator, undercarriage]]>
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