A new life on Sodor

The Island of Sodor is in a busy season when Sir Topham Hatt decides he needs more engines to help out, so he calls on a friend he made when in the US to Lend him a few engines. These being 3 (Soon to be for) Locomotives from a new Company called Red Fox Industries. These being a 4-8-8-4 Big Boy named Prometheus, a T1 named Alastor, and a GS4 named Shelby. The three get there and find that their work is cut out for them, after a few slight adjustments (Such as Sudrian Couplings) Join the engines of Sodor and the R.F.I Fleet as Sodor goes through one of the busiest seasons it's seen in years.