Recently I found 4 MTH premier 70' UP passenger cars at a good price (20-6638, 20-6738, 20-68036) so I could finally have some passenger cars behind my E6 ABA diesel locomotives.
But I was missing a rear observation car.
Then I saw this Russian Hill observation car on eBay.
Originally, it had been part of a 5 car set sold as 20-6556, Catalog AX 2000, Vol 3, Premier but that set was now obviously broken up. When it arrived I saw that it had been converted to scale trucks and Kadee couplers (2 axles each truck instead of 3 that the newer 70 ft. cars I bought have.)
How can I convert these scale trucks back to 3 rail trucks with pick up rollers and standard couplers to match the other 4 cars that I have?
Looking at the undercarriage molded area there may only be room for a 2 axle truck but I could remove some plastic to make room for a 3 axle truck that would look better running with the other cars.
Are these truck available for purchase somewhere? On MTH web site I can only find freight trucks. Is the truck attachment screw inside the passenger compartment?
I don't mind spending a few dollars to do this as a new 5 car set is $470
Thanks