What I was referring to was the va capacities you listed, not voltage but current (va).Input: 120V, -50/60HZ, Output: 17 VDC, 20 VAC, max output: 7 VA total; Second one where the engine just suddenly died without notice: Input: 120 V, AC60Hz, output: 19V AC 0-18VDC 5.5 VA. The train runs on the DC power. The engine is a new Athearn which was given to me this summer for my