Answer:
piccolo (fourth movement only), 2 flutes, 2 oboes, 2 clarinets in B flat and C, 2 bassoons, contrabassoon (fourth movement only), 2 horns in E flat and C, 2 trumpets, 3 trombones (alto, tenor, and bass, fourth movement only), timpani (in G-C) and strings.
Explanation: