Question: what is the difference between gauge 1 and g gauge?
Answer: Re: Difference between Gauge 1 and G scale Unless I'm mistaken, "G scale" is a broad term that covers any scale (size) equipment that runs on 45mm (LGB) track. "Gauge 1" is specifically 3/8"=1' scale, or 1/32 of actual size. ... Yes, the track gauge is all 45mm.