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Marks in the crane drawing

A- the distance from the center of the rails to the outside of the end beam

B- length of end beam (including buffer)

C- the distance between the lifting hook and the tread of the electric hoist trolley when it reaches the highest point

C1-Minimum distance between c1-crane hook and the rail center of a large vehicle on one side of the non-electric control box (change with H size)

Minimum distance between c2-crane hook and the rail center of a large vehicle on one side of the electric control cabinet (varying with H size)

H- distance between the top of the running track and the top of the crane

H - distance from the top of the crane when lifting the hook to the highest point

Wheelbase of w-cart end beam