Walthers Cornerstone
Rigid Plastic Freight Car Trucks w/Plastic Wheels

Arch Bar 1 Pair
Walthers Part # 933-1010, p. 238 Walthers 2012 HO Scale Reference
HO scale, $3.98, currently in stock at Walthers

 
Trucks are molded in black Delrin(R) plastic with one-piece rigid sideframes. Nonmagnetic brass axles. Molded Delrin RP25 wheels.