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Last update: 15 May 2005 Photograph by Dan Risdon
Road No. Qty Model Notes
MPEX 243 1 SW1u Shop switcher, Boise; Ex-EJ&E 243
MPEX 244 1 MP21B GenSet
"SP 501-503" 3 MK5000C Rebuilt and sold to Utah Rwy 5001-5003
MPEX 750-752 3 SD40 Ex-Utah Ry; Leased to EJ&E
MPEX 1501-1506 6 MP1500D Demos
MPI 1513 & 1514 2 SW1500 Ex-NS/Southern 2323 & 2333
MPI 2001 1 GP38M-4 Rebuilt from SP GP35E 6312
MPEX 2001-2005 5 MP2000D Demo
MPEX 5000 1 SD50-3 Rebuilt from ATSF SD45B 5501 with safety cab; Operated as DM&E 5000
MPEX 5356 1 SD45u Ex-ATSF
MPEX 5525, 5527 & 5529 3 F45u Ex-ATSF; scrapped c.1998-2000
MPEX 5978-80, 5983, 5985-89 8 F45u Ex-ATSF
6057 1 SD40 ?
MPEX 6201 1 MP2000C Demo
MPI 9000-9029 - SD40M-2 Sold to Helm
MKCX 9030-9036 - SD40M-2 Sold to Helm
MPI 9037-9043 - SD40M-2 Sold to Helm
MKCX 9044-9047 - SD40M-2 Sold to Helm
MPI 9048-9057 10 SD40M-2 Ex-PLM; Sold to Helm
MPEX 9502, 9532 & 9541 3 SD45 .
MPEX 9901-9903 3 MK5000C, Phase 2 Now Utah Rwy 5004-5006; ex-Demonstrators
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MKCX/MPI/MPEX Notes:

  • MPEX 750: ex-Utah 9001/CSXT 8382/C&O 7523
  • MPEX 751: ex-Utah 9007/CSXT 8381/C&O 7522
  • MPEX 752: ex-Utah 9011/CSXT 8398/WM 7547/WM 7447

  • MPEX 5525: ex-ATSF 5950/ATSF 5900/ATSF 1900
  • MPEX 5527: ex-ATSF 5958/ATSF 5908/ATSF 1908
  • MPEX 5529: ex-ATSF 5968/ATSF 5918/ATSF 1918
    		•
    Heritage of 9000-9029
    9001: ex-N&W 2965/ITC 2305(SD39) 9016: ex-UP 3074
    9002: ex-MK 8302/SP 8820 9017: ex-SP 9092
    9003: ex-MK 8303(1st)/SP 8402 9018: ex-SP 8935
    9004: ex-SP 9015 9019: ex-SP 9096
    9005: ex-SSW 9052 9020: ex-SP 9090
    9006: ex-SP 9013 9021: ex-UP 3078
    9007: ex-SSW 8968 9022: ex-MK 8304/UP 3059
    9008: ex-SP 8988 9023: ex-CNW 6546/CR 6223/PC 6223/PRR 6223
    9009: ex-SP 9007 9024: ex-CNW 6508/CR 6180/PC 6180/PRR 6180
    9010: ex-SP 9037 9025: ex-CNW 6570/BN 6451/GN 421
    9011: ex-SP 9107 9026: ex-CNW 6580/BN 6461/CB&Q 520
    9012: ex-SP 9083 9027: ex-CNW 6510/CR 6182/PC 6182/PRR 6182
    9013: ex-SP 8996 9028: ex-CNW 6521/CR 6194/PC 6194/PRR 6194
    9014: ex-UP 3055 9029: ex-CNW 6517/CR 6190/PC 6190/PRR 6190
    9015: ex-UP 3072 -
    Heritage of 9030-9057
    9030: ex-CNW 6501/CR 6172/PC 6172/PRR 6172 9044: ex-CSXT 8422/WM 7571/WM 7471
    9031: ex-MK 8305/SP 9098 9045: ex-KCS 601
    9032: ex-CNW 6516/CR 6189/PC 6189/PRR 6189 9046: ex-MK 4910/KCS 634
    9033: ex-CNW 6472/BN 6472 9047: ex-KCS 614
    9034: ex-CNW 6505/CR 6176/PC 6176/PRR 6176 9048: ex-PLM 3000/MP 3000/MP 700:2
    9035: ex-CNW (6545)/CR 6222/PC 6222/PRR 6222 9049: ex-PLM 3052/UP 3052
    9036: ex-CNW 6550/CR 6227/PC 6227/PRR 6227 9050: ex-PLM 3058/MP 3058/MP 758
    9037: ex-CSXT 8313/SBD 1237/L&N 1237 9051: ex-PLM 3041/UP 3041/EMD 434B(SD40X)
    9038: ex-CSXT 8307/SBD 1231/L&N 1231 9052: ex-PLM 3018/UP 3018
    9039: ex-CSXT 8311/SBD 1235/L&N 1235 9053: ex-PLM 3104/UP 3104
    9040: ex-CSXT 8325/SBD 1249/L&N 1249 9054: ex-PLM 3019/UP 3019
    9041: ex-CSXT 8401/C&O 7550/C&O 7450 9055: ex-PLM 3004/MP 3004/MP 704:2
    9042: ex-MK 4909/KCS 630 9056: ex-PLM 3029/MP 3029/MP 729:2
    9043: ex-KCS 619 9057: ex-PLM 3021/UP 3021

    This roster includes Boise Locomotive Works and MPI lease, test and demonstrator units, as well as shop switchers.

    MPI was formerly MKRC, and M-K before that.

    Thanks to the following people for contributing corrections and revisions: Ryan Ballard, Joseph Belote, Simon Jacques Belanger, Bryan Jones, Stev Knowles, John Komanesky, Kevin W. Owenby, and Jerry Reynolds. Other sources: Diesel Era Magazine

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