Above are illustrations showing the main parts of the modern crane and the left is a typical Strut or Lattice boom crane and to the right is a standard lorry mounted hydraulic crane. Click on either image to see all details
Immage left.
Here we see the basic layout of the standard Coles diesel electric slewing crane unit. This was the type of machinery used all the way from the introduction of the EMA upto the development of hydraulic drive motors.