Farm Equipment - A/C compressor on a 7045

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A/C compressor on a 7045

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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=34167
Printed Date: 25 Oct 2025 at 11:18am
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Topic: A/C compressor on a 7045

Posted By: JW in MO
Subject: A/C compressor on a 7045
Date Posted: 19 Jul 2011 at 5:03pm

A friend has a 7045 that he has replaced the air conditioner compressor twice and is in need of a third. He claims the last time the system was flushed, drier, valve and all were replaced and lasted a year or so. His question is whether there is a better compressor available than the original style and if anybody has a part number? I saw something about an A6 and a Sanden, but I don't know the difference. He is running 134A and I saw one of the old compressors. It was about 4" in diameter and a foot long or so if that helps.K

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Replies:

Posted By: dave63
Date Posted: 19 Jul 2011 at 5:11pm

I put a few Sanden compressors on about 10 years ago. Made my oun brackets and hoses. Still working great with 134 A

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The universal answer to all questions is yes, how much do you want to spend?

Posted By: Brian Jasper co. Ia
Date Posted: 19 Jul 2011 at 5:15pm

Is the compressor seizing? If it is, I'd guess lack of oil in the system. If the compressor shreds it's self, it is not easy to get all of the debris out without replacing the condenser and evaporator.

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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford

Posted By: AllisFreak MN
Date Posted: 19 Jul 2011 at 9:21pm

I think the Sanden is the way to go.

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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2