We have a compact 4320 It is a 2010 year, I wanted to do the same, Our engine is a common rail fuel system ( just like a old Detroit system) There is no computer in our system, The only difference between a 4120 4320 4520 4720 is the part no on the unit injectors. To upgrade to a 4720 (66hp) injectors cost about $1800 nor counting Labor to install them. The book did say there was 3 different engines, Our serial Number didn't have any electronics.on the engine. It is a Ehydro has electronics on the hydro. After a few hrs doesn't seem to need any more hp to do what we do with it.
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Today's Featured Article - A Question for Dads This recent topic from the Tractor Talk discussion board is being highlighted because it is an awesome display of the caliber of individuals that have made this site their own. The young person asking questions received positive feedback and advice from total strangers who "told it like it is" with the care many reserve for their own kids. The advice is timeless... so although it isn't necessarily antique tractor related, it will be prominently displayed in our archives to honor those who have the courage to ask and those who have the courage to respond in an honest, positive manner.
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