The Collaborative International Dictionary of English v.0.48:

Cranage \Cran"age\ (kr[=a]n"[asl]j), n. [See Crane.]
   1. The liberty of using a crane, as for loading and unloading
      vessels.
      [1913 Webster]

   2. The money or price paid for the use of a crane.
      [1913 Webster]