Farm Equipment - 426 in a 7020?

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426 in a 7020?

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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=23337
Printed Date: 21 Feb 2025 at 1:05pm
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Topic: 426 in a 7020?

Posted By: KevinON
Subject: 426 in a 7020?
Date Posted: 03 Jan 2011 at 8:22am

I am about to rebuild my 301 in my 7020, but a good running 426 from a 7045 is available. Can they interchange, or how much work is it to do so? Thanks.

Replies:

Posted By: Lonn
Date Posted: 03 Jan 2011 at 9:35am

The 301 will be much more fuel efficient. Do you need the extra power? Dumb question eh. We always want more power.

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I am a Russian Bot

Posted By: niel ev
Date Posted: 03 Jan 2011 at 9:37am

Kevin you'll probabl;y have to change the radiator also to keep it cool using the 7045 back plate and the front holes in the side frames of your 7020change the top hood sheet because the muffler hole is in the wrong spot maybe a few other changes on the linkage and thottle cable Niel

Posted By: AdamA
Date Posted: 03 Jan 2011 at 9:38am

I've seen it done before so pretty sure it would work just fine but I sold my 7000 for a 7040 and like lonn said you really won't like the difference in fuel consumption.

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57'D-17,78'185,83'6080,76'7040,84'8030 FWA.02'Dodge cummins

Posted By: KevinON
Date Posted: 03 Jan 2011 at 9:42am

As you say, could always use more power, it was just that a 426 has come available for less than what I can buy the rebuild kit for. However with a rebuilt 301, I know what I have!

Posted By: KevinON
Date Posted: 03 Jan 2011 at 10:25am

Guys, how much more fuel are we talking about vs. performance? I will be buying a heavy disc sometime this year, and could possibly go a tad bigger with the extra hp. Thanks again for all of the input.

Posted By: AdamA
Date Posted: 03 Jan 2011 at 10:31am

All I do is haying but probly used twice as much fuel with the 7040 performance was great though never got hot pulling my batwing mower even on the hottest day unlike the 7000

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57'D-17,78'185,83'6080,76'7040,84'8030 FWA.02'Dodge cummins

Posted By: Lonn
Date Posted: 03 Jan 2011 at 10:59am

On light jobs there will be a quite noticeable difference.

Adam, maybe you didn't have the foam around the radiator or if it was turned way up you might have cooling problems. I don't ever recall a cooling problem on the 190 XT and that's the same 301 but the 7000 301 should be even better on the cooling end. Never owned a 7000 though.

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Wink
I am a Russian Bot

Posted By: AdamA
Date Posted: 03 Jan 2011 at 11:23am

I had the raditor redone and all the foam in place think a 20' mower in heavy CRP was just too much.

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57'D-17,78'185,83'6080,76'7040,84'8030 FWA.02'Dodge cummins