It's based on a very widely used car built beginning in the 1960s and still in use today, making it a great addition to your diesel-era freight trains. Decorated models feature authentic paint and lettering schemes with end reporting marks. In addition, the trucks feature nonmagnetic axles, engineering plastic wheels. The car features pre-drilled holes for the supplied AccuMate(R) magnetic knuckle couplers as well as alternate holes for AccuMate PROTO scale-sized couplers. This kit is ideal for novice builders or seasoned modelers looking to expand their car fleets.