Tim,
That was the first thing I did when I received it. Gears are like new, as is the gear lubricant. I checked the quartering and all was fine. In fact, the wheels and skates hardly had any wear.
So, is the red version, the one I have, a Chinese product? In the past I owned the #50 D & RG version. I've since sold it, but while I had it it was a workhorse.
One other question on the red version. Where the exhaust stack should be there is a dome like cover. Didn't these locos have an exhaust?