prototypes remained in production for years

This is an Athearn 73330 HO Scale Chicago and North Western 40' Fruehauf Z-Van Trailer #2

This is a Walthers 910-20429 HO Scale Soo Line EMD GP9 Phase II Diesel Locomotive with Chopped Nose - ESU(R) Sound and DCC #2411 (white

This is a Lionel 7-11039 G Gauge Straight Track Pack

Atlas 43674 N Scale Union Tank Car 11,000g Tank Car #4 ProductID_11462321 prototypes remained in production forThis is Atlas 43674 N 11,000g Tank Car Union #4. Propane or Liquefied Petroleum Gas (LPG) is both a naturally occurring product and a by product of the refining process. During the 1940s, the petroleum industry began marketing LPG as a cleaner and more efficient fuel than the existing coal and oil. Transporting LPG requires specially designed high pressure tank cars. During the early 40s the only ACF tank car that qualified was the 10,500 gallon high