Built by ACF from 1940-1953, the 70-Ton Hart Ballast Cars were formally known as Hart Selective Service Ballast Cars, due to the use of specially-designed doors which allowed the lading to be discharged one of three ways: to the center of the rails, to the center and sides of the rails, or to the side of the rails only.

Features:

• Die cast chassis
• 70-ton friction bearing trucks
• Accumate offset shank coupler
• Fully detailed interior, including cross-bracing and side stiffeners
• Accurate painting and printing