Well IIRC ,Replaced those Crusaders in one go, I cant recall where they went, But I must say Old Jimmy Adams swore by them, Old Geordie Thomas the fitter at Adams in those days new more about Scammellls & Rolls Engines that any body did, I could go on forever on this subject, But Im not getting old I am old & hopping to continue , On this thread talking about the good old 50s onward times in the Haulage Game, Regards Larry.