If this topic looks familiar, there was a problem yesterday (which I corrected).
I have only been in O for 3 years and buying all equipment used.
I have an early Weaver Hopper (White Box) and my understanding is these cars originally came without trucks or couplers. It has Genuine Kadee couplers (not the later Weaver ones). I am not sure who made the Trucks. If you can identify it would be appreciated.
The Trucks have 5 plastic (Delrin?) pieces; a cross bolster and side frames with separate spring perches at the bottom. They have 3 springs on each side.
I know many prefer Cast Trucks, but I really like these. They are "sprung" and look very realistic. Being plastic they are "self lubricating" and use pointed axles (roll VERY easily). They won't corrode or have zinc pest problems. Only downside is they are light weight (ballast needed in car).
If you have experience with these Trucks please let me know, I am still "learning". Thank you!