While running the tractor the other day, I quickly set down the forks while they had a load of about 500 lbs. Afterwards, I lost forward, reverse and PTO. Oddly enough, when I push the clutch all the way in while in forward or reverse, the wheels slowly turn as does the PTO. There is a noticeable noice difference when pushing on the clutch. Any ideas where to start?
L3350 Shuttle Shift lost forward, reverse and PTO
- Thread starter obrionmi
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Interesting situation. I had something similar happen to my tractor a few years back. After splitting my tractor in two and spending hours trying to figure it out I gave up and let it sit in my garage in pieces for years. Finally brought it to a shop and had them put it back together. Turns out It was just a spring broken off the clutch. Have you checked that?
rbargeron
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L5450, L48, L3250, L345 never enough attachments
First idea from the symptoms says failed clutch, but it could be something else. Did it have good pulling power before this?
The L3350 (1985-1990) has an 8-speed gear-type trans and most have a mechanical shuttle. In its later years, hydraulic shuttle was an option. Please let us know if this one has the "hydraulicshuttle" decal on the hood.
The symptoms sound like some trans/shuttle linkage has come undone?
See if there's anything hanging or disconnected as a first step. And it goes without saying to check the oil level in the transmission.
Its important to isolate the issue BEFORE taking anything apart, using inspection/tests suggested by workshop manuals and/or advice from others. Dick B.
The L3350 (1985-1990) has an 8-speed gear-type trans and most have a mechanical shuttle. In its later years, hydraulic shuttle was an option. Please let us know if this one has the "hydraulicshuttle" decal on the hood.
The symptoms sound like some trans/shuttle linkage has come undone?
See if there's anything hanging or disconnected as a first step. And it goes without saying to check the oil level in the transmission.
Its important to isolate the issue BEFORE taking anything apart, using inspection/tests suggested by workshop manuals and/or advice from others. Dick B.
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The spring did happen to break while this was happening, I will try that first. This is the hydraulic shuttle model. Oil level was good
pulling power was good, everything was working as it should, and then all of sudden all functions listed were lost.3pt hitch and FEL still work with no issues. I replaced broke spring noted above but no change
RCW
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Sounds like you’re getting great advice so far.
Dick B. is very good with these tractors.
Dick B. is very good with these tractors.
rbargeron
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L5450, L48, L3250, L345 never enough attachments
Power steering, 3pt hitch and FEL work off the engine's hydraulic pump(s) - the hydraulic shuttle is actuated from that system too. Its control valve actuates a wet clutch pack, acting as a second in-line clutching mechanism to start and stop F/R travel.
The L3350 WSM would show exactly what's driven by the hydraulic shuttle. The pto is NOT controlled by the shuttle - so if it isn't powered either, the dry clutch is the likely culprit.
Is the slow turning of wheels and pto with clutch pedal full-down strong enough to power anything? Can you stop it by hand? If so, it's just normal and doesn't mean much. The noise changes might be symptomatic of a failed clutch.
The L3350 WSM would show exactly what's driven by the hydraulic shuttle. The pto is NOT controlled by the shuttle - so if it isn't powered either, the dry clutch is the likely culprit.
Is the slow turning of wheels and pto with clutch pedal full-down strong enough to power anything? Can you stop it by hand? If so, it's just normal and doesn't mean much. The noise changes might be symptomatic of a failed clutch.
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North Idaho Wolfman
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The slow turning wheels are not powerful enough to move anything. The PTO seems to lock in, as it is not free spinning, but just isn’t getting any power. WSM was ordered today, so hopefully I will have it this week. I am assuming any repairs to dry clutch will require splitting the tractor?
rbargeron
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L5450, L48, L3250, L345 never enough attachments
Many L3350's have a 2-stage clutch and a mechanical shuttle - but the models with hydraulic shuttle have a single dry disc clutch that powers everything.
These symptoms line up with a failed clutch disc. The tractor has to split to change it - but the job is pretty straight forward. Just has the one clutch disc to change out instead of dealing with the 2-$tage dual clutch $etup.
I'm with Wolfman - blown center in the clutch. Best luck - Dick B
These symptoms line up with a failed clutch disc. The tractor has to split to change it - but the job is pretty straight forward. Just has the one clutch disc to change out instead of dealing with the 2-$tage dual clutch $etup.
I'm with Wolfman - blown center in the clutch. Best luck - Dick B
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is there anyway to verify this with a pressure test prior to splitting? Or once I get it split, will the failure of the plate or disc be obvious?
rbargeron
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L5450, L48, L3250, L345 never enough attachments
A pressure test won't verify a failed clutch - but turning the pto with the engine off will show whether the shaft is connected to the engine through the dry clutch disc. Pto engagement is mechanical - so if the clutch is good, the pto should be locked when the engine is off (with clutch pedal up) and only turnable by hand with the pedal down.
The hydraulic shuttle free-wheels when the engine isn't running so lifting a rear wheel and turning it by hand with engine off doesn't verify the dry clutch, one way or the other.
When separating the tractor at the clutch housing, the pressure plate will be visible - the clutch disk is in behind it. Taking out the pressure plate mounting screws, it will come away and the clutch disk will be free to fall off.
The clutch's failed parts will likely be visible - may have sheared rivets or broken hub parts.
Sent you a PM (see above) Dick B.