Last updated: 8 September 1997 Numbers Number Model Notes 9520-9523,9527, 17 GP38DC 9528-9531,9533- 9539,9549 1340,1342 2 GP40 3075,3078 2 GP40-2 3080 1 GP40 5032,5033 2 SD40 6281 1 SD40 6526 1 GP40-1