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Johnwilson_osf 
Orange Level
Joined: 29 Jul 2012
Location: Mount Bethel PA
Points: 944
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 Topic: 8050 loss of power with black smoke
Posted: 9 hours 5 minutes ago at 5:16pm |
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Foreman was taking the 8050 PD and chisel plow to another field, and couldn't pull the small hill in between. Lots of black smoke coming from the exhaust. He changed from 4th into 3rd, and got the same results. I get back to the farm and give it a try, and i can pull the hill in 2nd, with the tractor responding to all throttle input. In 3rd or higher, tractor slows forward motion, and belches tons of black smoke.
Not quite sure where to stay looking. Transmission is correct oil level. Rear end is correct oil level. Engine is correct as well. Is my turbo not pushing air, or could my torque limiter be slipping?
Thank you for your thoughts.
John
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Allis Express: Eastern PA on Rt 80
8050, 8010, 6080, 190, D14, DA 6035, AA 6690, 5650, Gleaner F2
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Lynn Marshall
Orange Level Access
Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2419
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Posted: 8 hours 35 minutes ago at 5:46pm |
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Take the hose off at the front of the turbo and look there.
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injpumpEd
Orange Level Access
Joined: 13 Sep 2009
Location: Walnut IL
Points: 5114
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Posted: 8 hours 32 minutes ago at 5:49pm |
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Look over the intake manifold, making sure no plugs are missing, or gasket blown, hard to see on the intercooled ones between the valve cover and intercooler, can look from the top. Blown crossover hose? Turbo locked up? Putting a pressure gauge in the intake manifold is one of the first steps to diagnosing a low power issue on a turbo diesel.
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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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TedN
Bronze Level
Joined: 30 Apr 2025
Location: Central WA
Points: 104
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Posted: 8 hours 15 minutes ago at 6:06pm |
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I would try changing the fuel filter first.
Ted
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190XTD seriesIII, 190XTD seriesI, maroon belly 7000, 190XTD series??? project(or maybe parts)
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8070nc
Orange Level Access
Joined: 21 Mar 2019
Location: North Carolina
Points: 639
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Posted: 8 hours 10 minutes ago at 6:11pm |
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This may sound elementary and probably isnt the problem but to cover all the bases i would ensure the air cleaner and hose to turbo isnt stopped up
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1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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jvin248
Silver Level
Joined: 17 Jan 2022
Location: Detroit
Points: 476
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Posted: 7 hours 28 minutes ago at 6:53pm |
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I have a lowly WD that I think the air cleaner is stopped up. Kind of similar symptoms.
Waiting for a little warmer day to remove, disassemble, and power wash the screen material.
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DougG
Orange Level
Joined: 20 Sep 2009
Location: Mo
Points: 8369
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Posted: 7 hours 27 minutes ago at 6:54pm |
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Air filter and restrictions , go from there
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nella(Pa)
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Joined: 11 Sep 2009
Location: Allentown, Pa.
Points: 3132
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Posted: 7 hours 24 minutes ago at 6:57pm |
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bad seal in turbo?
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Johnwilson_osf
Orange Level
Joined: 29 Jul 2012
Location: Mount Bethel PA
Points: 944
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Posted: 7 hours 13 minutes ago at 7:08pm |
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Thank you for all the options. I will look into them at first light tomorrow. I changed all the filters about 20 hours ago in preparation for fall harvest and tillage. I will have to get into the intake beyond the air filter to see if there are any blockages. What would a turbo problem look like? Will i notice anything in particular when i pull off the air intake hose?
John
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Allis Express: Eastern PA on Rt 80
8050, 8010, 6080, 190, D14, DA 6035, AA 6690, 5650, Gleaner F2
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AC7060IL
Orange Level
Joined: 19 Aug 2012
Location: central IL
Points: 3575
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Posted: 5 hours 43 minutes ago at 8:38pm |
Before you pull air intake from turbo, go first to the 8050’s engine’s air filter canister & inspect for a bird’s nest built around outside of air filters?? Have had similar results if tractor has been dormant for months. Sparrows & black Starlings seem to love the Allis tractors engine air intakes before filter. They can enter thru pre-cleaner vents & pack their nesting/straw/twigs tight inside it.
Edited by AC7060IL - 4 hours 36 minutes ago at 9:45pm
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8667
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Posted: 5 hours 32 minutes ago at 8:49pm |
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hard to imagine a bird being able to get through the screen on the asperatoron an 8000
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