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185 engine questions
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Josh N View Drop Down
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Joined: 01 Feb 2019
Location: Roaring spring
Points: 63 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh N Quote  Post ReplyReply Direct Link To This Post Topic: 185 engine questions
    Posted: 12 Jun 2020 at 10:15am
I have a that is a 1971 185 and The engine needs overhauled.   I have a later 185 engine that I want to rebuild and then swap them out so that I don’t have the tractor down for a long time.   The newer engine has a lower sump on the oil pan.   Are the engines the same with just a different pan or are the oil pumps different with lower sump?   Also are there any other differences in the engines ?
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8984 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jun 2020 at 12:09pm
Deep pan has crank driven oil pump VS cam driven....Will deep pan even fit in swap tractor? There were frt axle design changes on some models to accommadate deep pan. I vote fix engine and keep with tractor. Deal with the down time.
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Bill Deppe/AC Salvag View Drop Down
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Joined: 12 Sep 2009
Location: Maquoketa, Iowa
Points: 976 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill Deppe/AC Salvag Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jun 2020 at 7:39pm
The lower sump would interfere with clearance of the roll axle.  The 185 with the later engine main roll axle support was 1-2 inches deeper
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tbran View Drop Down
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tbran Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jun 2020 at 9:35pm
We have done several. Look at the 4 bolts on the rear axle pivot bracket. The top two holes will have to be in the lower to holes - add a piece of metal , weld and drill 2 new holes.  The front axle will have to be raised the exact same distance. Buy or fabricate a new front bushing and weld it on top of or in lieu of the original bushing.  Measure the front pulley as well - the deep sump has a longer snout on the crank for the wider gear. 
When told "it's not the money,it's the principle", remember, it's always the money..
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Josh N View Drop Down
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Joined: 01 Feb 2019
Location: Roaring spring
Points: 63 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh N Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jun 2020 at 8:20pm
Thanks for the info.   I’ll probably just wait till winter and do the engine that’s in it.   
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