Crandall Upright Shell Assemblies
Crandall upright shell assemblies are idlers directing the bilge block chain to th eblocks. They are available in styles to accommodate normal bilge block hauling from both docking platforms - or in side transfer type marien railway systems, operation from one side only. All shells are durable castings housing bronze bushed iron sheaves and can be easily nountd to steel upright beams.