JOHN DEERE 140 Kohler K321 14 HP - KUSTOM SMALL ENGINE JOHN DEERE 140 Kohler K321 14 HP block shortblock rebuilt remanufactured core reqd. See notes below! This is a brand new rebuild, not a brand new engine! THIS IS FOR THE JOHN DEERE 140 _ IT IS LISTED IN A SEPARATE AD BECAUSE WE PAY THE MOST FOR.. john deere 140 engine | eBay Find great deals on eBay for john deere 140 engine. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword John Deere Mower Deck Rebuild Kit Belt BladesW 48" LA145 LA155 LA165 X140 X165 See more like this. SPONSORED.