Table:
text: Northern Pacific Railway locomotives
4-8-4
4-8-4
Class_ Wheel_arrangement Fleet_numbers Manufacturer Serial_numbers Year_made Quantity_made Quantity_preserved Years_retired
4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern 4-8-4 — ooOOOOoo — Northern
A 4-8-4 2600–2611 Alco 67010–67021 1926 12 0 1949–1959
A-1 4-8-4 2626 Alco 68056 1930 1 0 1955
A-2 4-8-4 2650–2659 Baldwin 61771–61780 1934–1935 10 0 1953–1958
A-3 4-8-4 2660–2667 Baldwin 62163–62170 1938 8 0 1954–1958
A-4 4-8-4 2670–2677 Baldwin 64155–64162 1941 8 0 1954–1958
A-5 4-8-4 2680–2689 Baldwin 64667–64676 1943 10 0 1957–1959

Question: What is the fleet number of model serial number 68056 in the Northern Pacific Railway's S 4 8 4 locomotives?

Question: What is the serial number of the model made for the Northern Pacific Railway's 4 8 4 locomotives in 1930?

Question: What is the 4-8-4 wheel arrangement for the Northern Pacific Railway locomotive model that was retired in 1955?