Ace Trains E/36-A3-CN E/36-A3-CN P2 Class Non-Streamlined "Cock O The North" 2-8-2 Two Tone Grey No. 2001 Steam Locomotive. Six locomotives of the class were built; introduced between 1934 and 1936. In 1936, the Class P2 were given streamlined fronts, similar to that of the Class A4.