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I have a JD lt155 lawn tractor and I had the fan on the transmission replaced last year and the first mowing this year it is chewed up and it makes a noise in forward or reverse but not sitting. Could it be the transmission going bad or a bearing? The fan is a little loose.

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Posted on Jan 02, 2017

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SOURCE: John Deere LT190 Lawn Tractor transmission problem

try to service the old transmisson it may work.but if that does not work just replace the transmisson.
purchasing a new hydrostatic transmission is much advisable as its definately the problem of hydrostatic transmission with out any doubt .but i hope servicing the old works.

Posted on Oct 01, 2008

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SOURCE: need instructions for changing a drive belt on a John Deere LT155

I have googled LT155 and came upon john deere LT155 lawn tractor(noncurrent). It took me to John Deere's site. I put in your model number and it had several catagories. I would try the alphabetical list, go to B and look for traction belt.
Good day.

Posted on Oct 14, 2009

  • 472 Answers

SOURCE: Troy bilt lawn tractor that will not go in forward-just grinds

sounds like the trnns has some thing lose in it you will need to get to the shop

Posted on Oct 15, 2009

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SOURCE: craftsman lawn tractor automatic transmission

Just like motor vehicles when transmission gets stuck on a particular place without moving forward or backward it is a sign of a jam in one of the transmission levers. This is usually caused by lack of transmission fluid in the gears.When the fluid or grease depending on what your unit uses gets low the levers begin to grind against one another and therefore bring about such problems as you are facing. Although there is an off chance that the problem could also be from the automatic selector in this case the damage might not be so much probably an electrical fault.
First get an expert to check the auto selector if it is in good shape. If it is then i am afraid the problem is from the transmission levers.
Hope this insight has been helpful?

Posted on Apr 14, 2011

  • 608 Answers

SOURCE: I have a John Deere L120 tractor with a

Hi, your problem is caused by the transmission over heating. Remove the battery and battery carrier and clean all grass and debris from the hydro cooling fins and fan. Hope this is helpful, regards Phil.

Posted on Sep 08, 2011

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2 Answers

Why is my John Deere LA 150 not pulling hills after 40 minutes of mowing

I have an LA145. I do a bit of commercial mowing with this mower. Sounds like tranny problems developing, if the growling noise is coming from the back under your seat. Tranny problems need immediate attention if you want to save the tranny.

Hydrostatic Transmission Fluid is actually 10W-50 synthetic motor oil (like mobil). Do not use hydraulic fluid or transmission fluid.

Hydro static transmissions on most lawn tractors are very similar. Most of them are made by one or two manufacturers. Tuff Torq makes a lot of them. They definitely make all the John Deere lawn tractor hydro drives. The lawn tractor manufacturers (like JD) often say they are sealed and not serviceable. That is flat out, a lie. All of the JD hydros, and most all others, are serviceable. A complete line of rebuild/replacement parts can be found at Tuff Torq. Info and instructions can be found there.

Additionally, I have found that the mower manufacturers fill them (or spec them) with motor oil, 10W-30W. In the service manual, and at the hydro manufacturer, you are told if your tractor is used in extreme or heavy duty situations it's best to drain the oil and replace it with 10W-50 synthetic motor oil (like mobil). Truth is the tranny should have this oil from the get go. It will give you more power and extend the life of the tranny. The mower manufacturers are all just being cheap. John Deere fills them with 10W-30. They figure why not, you're the one who has to pay for the early failure. Oh yeah, one other minor detail, the tranny manufacturer also recommends regular oil changes, like every 100 hours.

Virtually all of these trannys have a black plug on the top. You have to remove the tranny from the mower (not a difficult things to do, takes about 30 min). Pull that black plug (I use a flat blade screw driver to pry them up) and turn the tranny upside down for about 30 min to completely drain. Most hold about 2 quarts. Flip it back, right side up, and refill. Install plug and reinstall tranny. Note: under the plug there is often a magnet which collects metal shavings. Lift this magnet out while you have the plug out, clean it and replace it. It may fall out while the tranny is upside down. When you refill the fluid just keep filling till it comes up within a quarter inch of the plug. You may have to go through a bleed process after reinstalling the tranny. The tuff torq site explains the bleed process.

The Huskvarna YTH150 uses Hydrogear transmission 319-0650, drive model 150071. One place to find parts and diagrams is here:

May 10, 2014 | John Deere Garden

4 Answers

John deere lt155 lawn tractor shuts off when it gets hot while mowing, could this be electrical?

I had a similar problem lasy year.
Try this:
As soon as the machine seems to be stalling, loosen the gas cap.
If the engine continues to run, clean the gas cap vent hole(s).

Jun 26, 2011 | John Deere Garden

2 Answers

What kind of lubricant should I use in the transmission of a John Deere 165 Hydro?

I grew up with John Deere's and worked at a shop assembling Cub Cadet's way back when.

From all the threads I have read..that's an Eaton Transmission.

You can actually use a good SAE 30w motor oil in it. . some folks use a 5-20W or even Dex/Merc universal AT..but the general consensus is a decent 30W motor oil. Cheap and easy to find.

This is not an actual hydraulic motor, so any of these oils will work. Not to forget JD has HyGuard.. which is similar to the dex. Keep it simple and Stick to the SAE 30W..

Clean tranny off to prevent debris from entering the case.
Remove fill plug and Drain plug
Drain when warm
Replace drain plug
Remove vent plug
Fill until oil appears at vent hole
Rotate axle to remove trapped air
Check fill level
Replace vent plug and fill plug

GO go go
Mow mow mow

Best of luck

May 01, 2011 | John Deere Garden

1 Answer

Am unable to start the mower despite new spark plug, new filter & fresh oil. Unfortunately I don't think I used all of last year's gas, although the mower acted like it was out of gas when I let run...

Do you have an in line fuel shut off that you turned off last year and forgot to turn on???
Try and remove the fuel line from the carb. If gas flows out you are getting fuel to the carb.If the above 2 items are ok the problem is in the carb..
I would try next to check for spark. Remove the spark plug and set it on the engine block or any metal. attempt to start , crank the engine . Is there spark?? If not and it is a lawn mower follow the spark plug wire back under the coverThe othe r end is connected to the coil/magneto Replace it . When replacing it ,you will have to gap the space between the coil and the flywheel. I use a business card.
If you have a tractor and no spark make sure the safety sw.s are working properly. Seat sw., brake/glutch sw?,deck sw. engage sw. be fore you change the coil/magneto.
On lawn mowers sometimes mice get in under the cover and nest. they will chew the spark plug/coil; wire.

Apr 15, 2011 | Garden

1 Answer

Need instructions for changing a drive belt on a john deere LT155 lawn tractor. When mowing up hill the forward motion is slipping even though i am not loosing traction. if i come off the pedal and start...

I have googled LT155 and came upon john deere LT155 lawn tractor(noncurrent). It took me to John Deere's site. I put in your model number and it had several catagories. I would try the alphabetical list, go to B and look for traction belt.
Good day.

Oct 14, 2009 | John Deere Garden

1 Answer

John Deere LT155 Lawn Tractor has trouble going uphill

u can change belt yourself need belt size and have to remove cutting deck but check belt tension first if loose with brake off belt stretched out and slipping needs replacement

Sep 29, 2009 | Garden

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