MF 255 with the mult-power unhooked?

Mfmurl · Nov 25, 2011

Looking at buying a MF 255, that the guy had a clutch put in & the mp rod was left unhooked....so will that hurt anything? Will the tractor be stuck in either high or low?

Thanks for any advice.

krm · Nov 25, 2011

Yes it will and if stuck in high you will not be able to shift when pressure against transmission
but will be able to if stuck in low.

Zachary Hoyt · Nov 25, 2011

The down side to being stuck in low is that the engine will not hold you back when going downhill or parking, so you'd better have good brakes.
Zach

Mfmurl · Nov 25, 2011

Thanks! Fella said he's been using it for the past 2 years and acted like it didn't hurt anything, but I wanted to check on here..

Mike (WA) · Nov 25, 2011

And the upside to being stuck in low is that it means the unit works, and all you have to do is hook up the actuating rod to have multi-power. High is just "straight through" the unit, and (with very rare exceptions) tractor will work whether the multi-power works or not. Low is the gear reduction with clutch pack, and is what usually "goes out" on these. I suspect it is in high, and the multi-power unit needs a rebuild.

Eldo case · Nov 25, 2011

My best guess is it is in high. Because low is out. High is straight through. Just like IHC torque amplifier people would put in high and take the lever off because low was out.

Bob N.Y. · Nov 25, 2011

Unless a 255 is completely different than a 165, and i think they are the same, you have it backwards. High M-P requires hydraulic pressure. Low M-P doesn't. Therefore, if the M-P fails, low works and high doesn't. A tractor with non-working M-P does not engine brake.

Bob N.Y. · Nov 25, 2011

See my reply above.

MF 255 with the mult-power unhooked?

Mfmurl

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krm

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Zachary Hoyt

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Mfmurl

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Mike (WA)

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Eldo case

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Bob N.Y.

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Bob N.Y.

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