Northern Pacific Railway locomotives 4-6-2 4-6-2

| Class_ | Wheel_arrangement | Fleet_numbers | Manufacturer | Serial_numbers | Year_made | Quantity_made | Quantity_preserved | Years_retired |
|---|---|---|---|---|---|---|---|---|
| Q-5 | 4-6-2 | 2226–2235 | Alco | 62422–62441 | 1920 | 20 | 0 | 1947–1959 |
| Q-6 | 4-6-2 | 2246–2265 | Alco | 64328–64347 | 1923 | 20 | 0 | 1953–1959 |