No. 31401. Item is in excellent clean complete with adhesion weights and without any faults that I can see. Originally carried BR blue loco body no. 31401 produced as part of cat no. 54100-6 from 1977 to 81.
AIRFIX BR CLASS 31 BROWN POWER BOGIE ONLY - No.2
AIRFIX BR CLASS 31 GREEN LOCO BODY ONLY - No.2
AIRFIX BR CLASS 31 GREEN LOCO BODY ONLY - No.1
AIRFIX BR CLASS 31 BROWN NON POWERED BOGIE ONLY - No.1
AIRFIX BR CLASS 31 BROWN POWER BOGIE ONLY - No.1
AIRFIX BR CLASS 31 BLUE LOCO BODY ONLY - No.1