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power loss at cruising speed

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wacho375
Join Date: Apr 2010
Posts: 3 kawkawlin Mi
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2010-04-27          170376


Does anyone have advice about loss of power on a Cub Cadet 7265 diesel tractor. When the machine is cold but also occasionally warm at cruising speed (appx 2500 rpm) I experience a power loss. Local dealer has me change filters (fuel, air) to no avail. Could this be injector problem or mechanical other than fuel. Fuel pump seems to work fine.
Thanks Kevin Wachowiak




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power loss at cruising speed

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yooperpete
Join Date: Jan 2004
Posts: 1413 Northern Michigan
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2010-04-28          170385


My first guess is that is in the fuel delivery system. I would totally drain and attempt to clean the fuel tank to insure that you don't have a large chunk(s) of sediment in the tank that floats toward the outlet and plugs flow to the filter. I would also blow out the fuel lines from the engine back toward the disconnected line going to the tank.

My second guess is; are you sure it is a problem with engine power and not the hydro not wanting to move forward, falsely making you think it is lack of power? My 7275 once had a problem while I was plowing and the hydro would studder at times and seemed to have no power. This was intermittent. My dealer replaced the hydro filter which had been partially clogged and caused it to collapse at times from suction. They also replaced the hydro oil. The problem went away!

I'm about a half hour away from your location and use Weiss Farm Equipment in Frankenmuth. If you can't figure out the problem, I'm sure they would be able to solve the mistery. Janson equipment in Reese is also good! ....


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power loss at cruising speed

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kthompson
Join Date: Oct 2005
Posts: 5275 South Carolina
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2010-04-28          170391


You mentioned cruising speed, so it is when being driven I assume. If you have four wheel drive are you running it in 4 wheel drive on such as paved road? If so the drive train is binding up loading it up. ....


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power loss at cruising speed

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wacho375
Join Date: Apr 2010
Posts: 3 kawkawlin Mi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2010-04-29          170450


not in fwd. 2wd hi at 2500 or so rpm on pavement.we use a row transplanter at idle speed to 950rpm with no problem. I cleaned tank and lines as suggested to no avail. could injectors be problem? ....


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