E84526 Class 41 'Warship' Disc Headcode D601 'Ark Royal' BR Green (Small Yellow Panels) Diesel LocomotiveEFE Rail N Scale D600 Warship Bogie Clearance Modification for use with Finescale Points & Crossings The Class 41 Warship locomotives (known originally as the D600s) were pioneers, being the first British mainline diesel hydraulic locomotive and the first Type 4 diesel locomotive completed for BR when the class leader, No. D600, was delivered in late 1957. More than sixty years since the real locomotives first entered traffic, it is finally possible