250-Ton Steam Crane & Boom Tender - DELAWARE & HUDSON - HO Scale. Railroad Crane and Booms are typically used for one three primary purposes; freight handling in goods yards, Railroad Maintenance, and accident recovery work. Bachmann Crain and Booms feature a Fully Assembled 250-ton steam crane & boom tender, Crane Swivels 360 Degrees, undercarriage detail, blackened metal wheels, body mounted couplers E-Z Mate Mark II couplers, non-magnetic axles with Needle-point Bearings and Celcon Trucks.