Manitowoc 3900T
1974 Manitowoc 3900T Shawmut Equipment. Cranes for Sale Conventional Truck Cranes. Search For More Cranes · 1974 Manitowoc 3900T 155 Ton Conventional Truck Crane. Share With a Friend; Print... 3900T Product Guide Manitowoc. OUTLINE DIMENSIONS. TAILSWING OVER LUGS WITH: WEIGHTS. POUNDS*.