440 ic gas cyl head

General help and support for your Lindeman through 2010 John Deere crawler
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gaspumpsam
440 crawler
440 crawler
Posts: 161
Joined: Sun Sep 22, 2019 8:56 am
Location: Quesnel, BC, Canada

440 ic gas cyl head

Post by gaspumpsam » Sat Feb 22, 2020 3:31 pm

My 440 gas is cracked. In looking for new/ different one, I found out they are hard to come by. Mine is M 3995 T casting number.
I also hear the later 440 had a slightly higher compression head. What is casting number for this later head?
Will a 420-430 cyl head with different casting number than mine( M 3995 T ) work ? I also found on line a cyl head ( used) but
only M 3995, no “T” at the end. Did someone just leave the “T” off , or is it a different head?
Help!!

gaspumpsam
440 crawler
440 crawler
Posts: 161
Joined: Sun Sep 22, 2019 8:56 am
Location: Quesnel, BC, Canada

Re: 440 ic gas cyl head

Post by gaspumpsam » Sat Feb 22, 2020 3:32 pm

Forgot to add, my engine serial # is 442172- (early)

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