These are links I have found which at one time or the other had Maybach related information on them. Sadly they have since been discovered to be dead. If anyone is able to update me as to where these sites have moved to, it would be much apprieciated!
USA:
Rob Cox' Yard Clerk Collection - http://home.earthlink.net/~robjacox/yardclerk/sp.html
Italy:
Gruppo Ferroviario Valdelsa Technical Data pages - http://treni.valdelsa.net/schede/d442.htm [site still exists]
Italian Railfan Site, FSF pages - http://www.i-ra.org/priv/fsf.html [Site still exists]
PhotoRailForm D341 pages - http://www.photorailform.com/phr1-leFS/d341.htm [site no longer exists]
Germany:
Theodor Heuss page - http://www.ferry-site.dk/dfo-th.htm [Site still exists]
Denmark:
Tommy Rolf Neilsens Rail Site - http://www.trnng.dk/railways/german/lyntog.htm [Site still exists]
Japan:
Shiro Shimizu's Pictures - http://www2.justnet.ne.jp/~gilthead.ss/p1a_web/index.html [site no longer exists]