Last updated: 8 September 1997 Numbers Number Model Notes 4206 1 GP20m de-turbo, 645E engine 4210,4211,4214 3 F9A 4215,4216 2 GP38 4218,4219 2 C420 4222-4225 4 F9B 7201-7216, 15 RS11 7222 1 C420 7230 1 C424 7244-7246 3 S12 7260-6272 3 GP20m de-turbo, 645E engine -Four GP38-3 on order -The remaining S12s may be replaced soon.