Northern Pacific Railway locomotives 0-6-0 0-6-0

| Class_ | Wheel_arrangement | Fleet_numbers | Manufacturer | Year_made | Quantity_made | Quantity_preserved |
|---|---|---|---|---|---|---|
| 0-6-0 — OOO | 0-6-0 — OOO | 0-6-0 — OOO | 0-6-0 — OOO | 0-6-0 — OOO | 0-6-0 — OOO | 0-6-0 — OOO |
| I | 0-6-0 | 982–999 | Baldwin | 1883–1887 | 18 | 0 |
| I-1 | 0-6-0 | 981 | NP | 1891 | 1 | 0 |
| I-2 | 0-6-0 | 1000–1002 | Dickson | 1887 | 3 | 0 |
| K-1 | 0-6-0 | 948–976 | Baldwin | 1881–1882 | 29 | 0 |
| K-2 | 0-6-0 | 980 | Baldwin | 1882 | 1 | 0 |
| L | 0-6-0 | 977–979 | Baldwin | 1883 | 3 | 0 |
| L-1 | 0-6-0 | 940–941 | Grant | 1889 | 2 | 0 |
| L-2 | 0-6-0 | 930–939 | Rome | 1887–1890 | 10 | 0 |
| L-3 | 0-6-0 | 929 | Rome | 1889 | 1 | 0 |
| L-4 | 0-6-0 | 926–928 | Baldwin | 1896 | 3 | 0 |
| L-5 | 0-6-0 | 923–925 | Rogers | 1899 | 3 | 1 |