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Template:POTD/2018-07-16

From Wikipedia, the free encyclopedia
Semi-trailer truck
A diagram showing a side and underside view of an 18-wheeler semi-trailer truck with an enclosed cargo space. The underside view shows the arrangement of the wheels, and in blue, the axles, drive shaft, and differentials.

The numbered parts are:

  1. tractor unit
  2. semi-trailer (detachable)
  3. engine compartment
  4. cabin
  5. sleeper (not present in all trucks)
  6. air dam
  7. fuel tanks
  8. fifth-wheel coupling
  9. enclosed cargo space
  10. landing gear (legs for when semi-trailer is detached)
  11. tandem axles
Diagram: H Padleckas and Ju gatsu mikka