off color help needed
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=50219
Printed Date: 21 Aug 2025 at 11:53pm
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Topic: off color help needed
Posted By: EClark
Subject: off color help needed
Date Posted: 07 May 2012 at 8:39pm
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got a friend that has a M.M. u that is overheating. had it out here tonight and at 3/4 throttle it over heated in about 10 min.any ideas? thanks Eric
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Replies:
Posted By: CTuckerNWIL
Date Posted: 07 May 2012 at 9:03pm
Give up a little more info. Has it had antifreeze in it for a long period of time. My B had been drained and that is the worst way to store a coolant system over winter. I ran some NAPA rad flush through it last year and got a little red out after running up to temp a couple times. I then ran it up to temp with a mix of water and Arm and Hammer washing soda and got a little more crud out. This spring I put a gallon of vinegar and a gallon of water in it, mowed for about an hour and drained it. It looked like orange tomato soup coming out and was pretty thick and chunky. I refilled with vinegar and water and will mow a couple more times and then drain and flush.
You could have crud in the system, a stuck thermostat, or a bad water pump.
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: ky wonder
Date Posted: 07 May 2012 at 11:52pm
check the thermostat while you are at it, dont sound like its opening up completely
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i like old tractors of all colors
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Posted By: Dave in il
Date Posted: 08 May 2012 at 7:29am
Take the radiator cap off before you start it, as it warms up see if coolant is flowing. If not the thermostat isn't opening or the water pump isn't pumping.
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AGCO My Allis Gleaner Company
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Posted By: EClark
Date Posted: 08 May 2012 at 5:46pm
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that's what I'm getting ready to do tonight.was just wondering if there was anything that was a common cooling problem on a M.M. U ? Eric
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