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Introduced in the late 1950’s - Used in interchange even today.
The Barber S-2 70-ton Roller Bearing truck is a logical development from the original friction-bearing truck first introduced in the 1940s. Our truck is based on a prototype built in 1967, however, the basic design was first introduced in the late 1950s. The sturdiness of the Barber® S-2 truck is evidenced by the forty-plus years it has rode the rails to date. A careful observer will spot these trucks in interchange use today. This truck can be used under almost any pre-1970 built 70-ton rolling stock.If you are installing Kadee® large scale trucks on a car with factory trucks that came with larger diameter wheels like (30mm, 31mm 32.5mm or 35mm wheels). The truck mounting adapters we have provided with the Kadee® trucks should compensate for wheel diameter changes so your body mount Kadee® couplers will retain the correct coupler height. Always check your coupler height with a Kadee® coupler height gauge, fine tuning may be necessary.