

| road number | construction number | builder's date | desposition |
| A units | |||
1205 ![]() |
75361 | 12/1951 | to D.J Joseph, to D&H 8/74 |
| 1207 | 75363 | 12/1951 | to Luntz 7/69 |
| 1209 | 75365 | 12/1951 | to Luntz 12/67 |
| 1210 | 75366 | 12/1951 | to Luntz 12/67 |
| 1211 | 75367 | 12/1951 | to Luntz 12/67 |
| 1213 | 75369 | 1/1952 | to Luntz 12/69 |
1216 ![]() |
75372 | 1/1952 | to D.J Joseph, to D&H 8/74 |
| B units | |||
| 3708 | 75407 | 1/1952 | to Luntz 12/69 |
| 3709 | 75408 | 1/1952 | to Luntz 12/69 |
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400 S12 c/n 75797, b/d 11/1952 - built for the Monongahela as #400 |
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401 S12 c/n 75798, b/d 11/1952 - built for the Monongahela as #401 |
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402 S12 c/n 75799, b/d 11/1952 - built for the Monongahela as #402 |
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403 S12 c/n 75800, b/d 11/1952 - built for the Monongahela as #403 |
![]() photo by: Unknown - collection of Mark Laundry |
407 S12 c/n 75838, b/d 5/1953 - built for the Monongahela as #407 - to Naporano Iron & Metal, resold to Blairsville & indiana as 407, 1971 - became Gettysburg Railroad #407, 1976 - to Locomotive Marketing Inc., resold to Nucor Steel as 03(2nd), 1985 |
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411 S12 c/n 75842, b/d 7/1953 - built for the Monongahela as #411 |

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416 S12 c/n 75847, b/d 5/1953 - built for the Monongahela as #416 |
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417 S12 c/n 75848, b/d 7/1953 - built for the Monongahela as #417 |

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424 S12 c/n 76015, b/d 6/1954 - built for the Monongahela as #424 |
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425 ![]() S12 c/n 76016, b/d 6/1954 - built for the Monongahela as #425 - to EMCo as 405(7245) - to SMS as #305 |
419 S12 c/n 76010, b/d 3/1954 - built for the Monongahela as #419 - to George R. Silcott Railway Equipment - to Balkan Mining Company as #1, Hibbing, MN - to Kanawha Coal Company as Madison Mine #1, Ashford, WV - to unknown owner, coal company at Bolt, WV circa 1988 |
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426 S12 c/n 76017, b/d 7/1954 - built for the Monongahela as #426 |
![]() photo by: Unknown - collection of Mark Laundry |
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| road number |
construction number |
|||
| 427 | 76018 | order cancelled, frame maybe used for Western Maryland slug 139-T, see Slug Roster | ||
| 428 | 76019 | order cancelled | ||