Posted by Ken Dunnington [172.68.34.31] on Tuesday, August 15, 2017 at 10:53:08 :
In Reply to: Re: more Detroit Diesel detail... posted by Mike in Pa. [172.68.65.141] on Monday, August 14, 2017 at 13:28:15 :
2-53, yes. 1-53, no.
IIRC, 71 series had the only DD single.
Ken