Industrial electric crane hoist 10"X3¼"brake unit

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Subject: Industrial electric crane hoist 10"X3¼"brake unit
Pulled this brake from the shelf of a Steel companies Maintanance room.
Brake is serviced with new linings and such. number on the shoe casting is 6-B-7655- B-1
Drum measures 10" by 3 1/4" with a 1 3/8" Keyed bore.
Can't find an ID plate or anything like that. Coil number appears to be S1777663.
Big brake that is ready to go back to work.