A W 454-30 would be a 450 series with a 179" wheel base. The W denotes a tandem which leads me to believe it was a 22M Eaton which was offered in 1952-53.

https://plus.google.com/photos/1081...1047462050&oid=108197707187186692269

I am still confused by the steering axle. I wasn't aware that this axle was offered in the 450 series.