70 ton 3-Bay Offset Side Hoppers first appeared in the late '20s and by the late '30s had become an AAR standard design with cars delivered from a number of builders in large quantities. The last of these cars were delivered in the late-'60s and many remained in service through the '80s.
These ready-to-run models feature: diecast slope sheet-hopper bay-center sill assembly; injection molded plastic sides, ends, and hopper doors; fully molded brake tank, valve and air lines; slope sheet braces; separately molded vertical brake rod and lever assembly; body mounted brake hose detail; “coal” load except as noted; body mounted magnetically operating couplers; close coupling; friction bearing or roller bearing trucks as appropriate for each road name. All road names are produced in multiple road numbers.