Edited sentence: Another possible returnee could be 37699 which is currenltly in warm store inside Margam TMD, However, this loco could possibly be having it OTMR equipment removed for fitment to 37410.Both 37422/25 are at toton recieving attention.DB Schenker would like to raise its class 37 pool to 6 locomotives that are required for the Autumn RHTT trains with the class 37's being required for their good route availability.Loco's 37401,419,670 are to remain in service whilst possible returnees are 37425,37410,37422.This remains unclear