brr posted:
...Moving along, the 2035/late 2025 engines didn't/don't run near as smooth as their predecessors, ...even with proper maintenance, have a "coffee grinder" sound,...
but after this much time and questionable history, they don't perform as well as early 675/2025's.
You hit the nail on the head - the MagneTraction locos used aluminum parallel plate motor construction and were looser & noisier than their non-MagneTraction predecessor equivalents.