Draft:EMD SD40M-2

The EMD SD40M-2 was a class of 133 diesel locomotives that were rebuilt from EMD SD40, SD45 and SDP45 diesel locomotives by Morrison–Knudsen for the Southern Pacific Transportation Company.

History
In 1993, the Southern Pacific Transportation Company had made a contract with Morrison–Knudsen to supply 133 locomotives, as part of the contract, Southern Pacific was to supply no carbodies or shells. The rebuilds consisted of a total of 30 EMD SD40s, 97 EMD SD45s and 6 EMD SDP45s.

Due to another kitbashing happening to Morrison–Knudsen at the time, ten of the SD45 units involved in the rebuild had received rear hoods and radiators from EMD GP40s which resulted in a total of four distinct versions of the SD40M-2.

When Southern Pacific and its parent company, Rio Grande Industries had merged into Union Pacific, 42 units were patched with Union Pacific numbering being renumbered by UP as 2650-2651, 2659, 2664-2665, 2667, 2672, 2682, 2686, 2692, 2695, 2699, 2703, 2709, 2716-2718, 2725-2738, 2745, 2747, 2759, 2762-2763, 2775-2777, 4626-4627 and 4634.

Accidents and incidents

 * On January 12, 1995, Southern Pacific SD40M-2 #8681 was involved in head-on collision at Acoma, Nevada when it was on SP westbound train FARLAC, the cost of the damage for the unit was $85,000 ($ in 2024).

Currently preserved

 * The Kyle Railroad used two units, numbered as 3202 (ex-SP 8652) and 3207 (ex-SP 8684) in operation. Both units are destined to be scrapped or rebuilt by its parent company, Genesee and Wyoming as part of a fine resolution agreement with the EPA.