Possible Clues:

• Lou Gehrig nickname
• Steam loco found initially on eBay, perhaps?
• Old engine or senior machine's heart renovated
• Press hack finds old railway engine
• Steam locomotive, in old lingo
• Press hack's name associated with Express?
• Lou Gehrig's nickname, with 'The'
• Train wild rhinoceros to skip around
• Lou Gehrig nickname, with "The"
• *Railroad engine, in old lingo