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Connolly allis 
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Joined: 13 Mar 2019
Location: Dubuque,ia
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 Topic: Allis chalmers 190xt engine seizing
Posted: 13 Mar 2019 at 10:09pm |
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Hi i was looking for some input/advice. I have a allis 190xt turbo diesel giving troubles. The tractor will fire right up and run strong anywhere from 2 min. To 10 min at a time then starts to laborand will blow black exhuast smoke then die.if i attempt to restart the starter just clicks, the engine is stuck tight. Let it sit for 20 min.fires right up and does tbe dame thing all over again. Just had the injectors completely rebuild trying to cure the issue. No improvement. It does loose coolant if ran at higher rpms on tmr. No coolant in engine oil but drip some heavy condensation from blow by tube. Any help would be greatly appreciated, thanks!
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Carl(NWWI)
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Joined: 13 Sep 2009
Location: NW WI
Points: 955
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Posted: 13 Mar 2019 at 10:22pm |
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Do you have oil pressure? Is that turbo ok? If you have a lot of blow by sounds like a bad piston or rings, but with that the engine should be making some pretty bad noises if they are seizing.
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Mikez
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Joined: 16 Jan 2013
Location: Usa
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Posted: 13 Mar 2019 at 10:23pm |
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Welcome to forum, there's some great guys on here that will help you. It's odd to me that it's using coolent but blows black smoke when it acts up. Kinda sounds like hydro lock
What other allis do you have on farm
Edited by Mikez - 13 Mar 2019 at 10:25pm
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
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Posted: 14 Mar 2019 at 7:08am |
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It's getting coolant in the oil, and it has ruined the bearings. Coolant and bearings do not get along. I'm surprised it doesn't knock once it starts back up. Best to quit starting it, and get it torn down before it totally destroys itself, if it hasn't already. Betting it's spun some rod and / or main bearings.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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ac fleet
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Joined: 12 Jan 2014
Location: Arrowsmith, ILL
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Posted: 14 Mar 2019 at 11:01am |
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Ed has it pegged! that would be my diagnosis too! been in one that did same thing,---NOT a pretty sight!
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http://machinebuildersnetwork.com/
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8729
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Posted: 14 Mar 2019 at 1:49pm |
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Well...you just don't keep restarting engines that lock up when running.....you tear them down to find out why
Edited by SteveM C/IL - 14 Mar 2019 at 1:50pm
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DougG
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Location: Mo
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Posted: 14 Mar 2019 at 6:53pm |
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99% sure of engine bearings being the cause too,, seen it happen in a 180 , runs,,, bearings get hot, swells and bam!
Edited by DougG - 14 Mar 2019 at 6:54pm
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HD6GTOM
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Joined: 30 Nov 2009
Location: MADISON CO IA
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Posted: 14 Mar 2019 at 7:13pm |
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Make sure it has the right length dipstick. Dad bought a used 1 owner tractor at a sale, one of the earlier ones. The dipstick was marked wrong, did not have enough oil in the motor. AC recalled them and replaced them with the right 1. Dads did not get recalled and it cost him a motor.
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HagerAC
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Joined: 14 Sep 2010
Location: SE MN
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Posted: 14 Mar 2019 at 9:00pm |
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If it's dripping from the blow by tube it's got antifreeze in the oil. Bought my xt with a bad engine. Had 2 rod bearings out, could taste antifreeze in the blow by tube. Put a different engine in mine. If you're lucky the crank isn't ruined and you might be able to rebuild yours. Make sure you find where the antifreeze is coming in. Most likely o rings on liners.
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30+ A-Cs ranging from a 1928 20-35, to a 1984 8070FWA, Gleaner R52
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MACK
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Posted: 15 Mar 2019 at 7:28am |
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InjpumpEd has it correct. Could also have antifreeze running down sleeves onto piton skirt, which will cause pistons to seize to sleeve. Time to shut it down. MACK
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kinghunter
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Joined: 30 Jan 2010
Location: Kansas/Missouri
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Posted: 15 Mar 2019 at 11:29am |
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Had one do this. It was trying to spin crank bearings best shut down rebuild
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