Thank you both for your fast responses. The trucks swing freely because I tried running the engines over the switches in forward and reverse. Same problem. I replaced the batteries with the BCR capacitors so I don't have to worry about battery discharge or leakage. I suspected the center rollers. I just tried my Doodlebug, and same problem. I switched from Lionel tubular track to Atlas because I had steam engine (2-6-4) derailing problems with the Lionel switches. Is there a fix for the center roller problem?
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