Last updated: 19 Jan 1997 Numbers Number Model Notes 221,226 2 SW9 229,233 2 SW1200 401,403-410 9 GP40 411-422,424-443 31 GP40-2 some are rebuilt GP40s 415 1 GP40-3 444-447 4 GP40-3 rebuilt GP40s 501-511 11 GP38-2 651,652,654- 22 GP9R 663,666-670, 672-676