7010 cylinder head , no thermostat port?
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=137134
Printed Date: 08 Nov 2025 at 3:29pm
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Topic: 7010 cylinder head , no thermostat port?
Posted By: Sonlight0301
Subject: 7010 cylinder head , no thermostat port?
Date Posted: 07 Apr 2017 at 3:11pm
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We just bought a replacement head for our 7010 and it has no thermostat hole/port. ( yes should of caught that!) It also had 2 endcaps where as the original only had one? Main used parts guy at dealer is gone for a week so no one knows there. Would it have to do with the intercooler on a 7020 say? Gleaner M? Stationary unit? Thanks
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Replies:
Posted By: DrAllis
Date Posted: 07 Apr 2017 at 5:02pm
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Been a long time since I've seen a 1972 model "L" combine, but they had a funky cooling system on them compared to any tractor. I still can't imagine the cylinder head casting was that different. 7000-7010-7020 all the same cylinder head.
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Posted By: Sonlight0301
Date Posted: 07 Apr 2017 at 7:29pm
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Ok thanks DrAllis. Another question.... is it Ok or possible to put an intercooler on a 7010 649T?
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Posted By: grinder220
Date Posted: 07 Apr 2017 at 8:03pm
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I put an intercooler on my 190xt with no issues other than it runs a little warmer now,you'll be fine doing it on a 7010.
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Posted By: MACK
Date Posted: 07 Apr 2017 at 9:11pm
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You have a cylinder from a combine engine MARK ll engine used in some M2s. It had a manifold across front of head where the thermostat went. Take it back and get the right head or buy a 190xt head and change injector tips and nuts. MACK
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Posted By: tbran
Date Posted: 08 Apr 2017 at 11:34am
I would get the non copper tube head... as Mack suggested. And the intercooler will add about 10 degrees to the coolant as an average... In my opinion the intercooler on the 301 is not as effective as the 426. Unless you are going to go up -120- in hp - I would not invest the time and money.
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When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: Hurst
Date Posted: 08 Apr 2017 at 9:13pm
I went the 190/200 style head route on my late 7000 with a MKII 2900, and it may have been one of the best things I did for the tractor. I had the copper sleeve head off a couple of times for repair and finally a crack between the sleeve and an exhaust valve was the nail in the coffin. I think the dual thermostat housing will bolt up fine to the head (does it have the 2 bolt flange that bolts to the left side of the head as well?). If so, you are probably money ahead, as the older style heads are generally less expensive, you don't have to have special tools to replace the sealing tubes, and they have a little more meat to them, and they should bolt right up!
Hurst
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1979 Allis Chalmers 7000
5800 Hours
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Posted By: Sonlight0301
Date Posted: 10 Apr 2017 at 10:03am
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Thanks for the info. So just to be clear... the only thing we'd have to change to go to a non-injector sleeve head is the injector tips and nuts?
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Posted By: Lynn Marshall
Date Posted: 10 Apr 2017 at 9:02pm
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