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tremblay


Joined: Jun 6, 2005
Points: 1

Craftsman Lawn Tractor tranny problem?
Original Message   Jun 6, 2005 4:48 pm
I have a Craftsman 19hp Twin Turbo lawn tractor with hydrostatic transmission. Recently, the tractor does not go up hills or at any incline like it used to. When the tractor first starts, it seems to be OK. Then, as it heats up, a high pitched whine emanates from the tractor when I attempt to go uphill. I changed the front motion drive belt, but this had no effect. Sears will charge me $96 just to look at it, and if it is the transaxle, it would probably be better if I bought a new tractor?? Looking for advice...it is a sealed unit, but is it missing some fluid? Thanks for any help.
Replies: 28 - 37 of 37Next page of topicsPreviousAllView as Outline
FrankMA


Location: Merrimack Valley/Northeastern Mass
Joined: Jul 1, 2010
Points: 587

Re: Craftsman Lawn Tractor tranny problem?
Reply #28   Apr 29, 2012 5:55 pm
You're lucky to have gotten 12 years out of that tranny based on your  conditions and use. It is most likely an entry level Tuff Torq or Hydro Gear transaxel without any means to change the transaxel fluid (a so-called sealed unit). Using a lawn tractor to mow on hilly terrain or pull heavy loads is the kiss of death for those light duty transaxels. You may want to consider a  used Garden Tractor (GT) as a replacement based on the much heavier duty (ground engaging) transaxel that is typically found on this type of tractor. Everything else on a GT is also much heavier duty and will last much longer than it would on an LT (Lawn Tractor).

You got your moneys worth out that LT and it earned it's keep but you may want to consider either a new LT (and hope for another 12 years) or spend a few extra bucks and get a GT that is more up to the task. "They don't make 'em like they used to" definitely applies to the tractor world (and other OPE as well) these days. Any tractor less than $2K is considered a disposable product with a limited shelf life, especially under the conditions you described. It would suck to replace the tranny and then have all kinds of other items start to fail and you end up spending more time (and money) fixing it than actually using it. Just something to consider...

This message was modified Apr 29, 2012 by FrankMA


Toro Wheel Horse 522xi GT, Honda HS928TA, Honda HS621AS, Honda HS520A, Toro CCR3000 (work in progress), Honda HS624WA (sold 08/23/2010), Stihl BR550 Backpack Blower, Stihl MS250, McCulloch MS1635, Honda EM6500SX Generator
Bill_H


Location: Maine
Joined: Jan 12, 2008
Points: 354

Re: Craftsman Lawn Tractor tranny problem?
Reply #29   Apr 30, 2012 2:01 am
If you have a Tuff Torq K46 hydro, you're not alone with problems. Those are very lightweight and will provide good service as long as you only mow on mostly flat ground. You can drop the transmission easily (6 bolts, belt, 2 linkages) and open it up to replace the oil, but you can also rebuild it yourself. It is also possible to upgrade it to a K66 model which is MUCH heavier and readily serviceable. http://www.tractorbynet.com/forums/parts-repairs/164892-tufftorq-k46-repair-guide-pictures.html IMO, it is borderline fraud to call anything (and I don't care what brand it is) equipped with that K46 hydro a tractor. They're pure lawnmowers and doing anything else besides pulling a light cart is too much for them.

Who the hell let all the morning people run things?
CraftsmanOwner


Joined: Apr 29, 2012
Points: 3

Re: Craftsman Lawn Tractor tranny problem?
Reply #30   May 2, 2012 7:09 pm
Yes, my LTX1000 is a hydro transaxle sealed so my understanding is that it cannot be rebuilt. I have used it 12 years on 1-1/2 acres of mostly hills and most fairly steep -usually takes about 2-1/2 to 3 hrs to mow all at same time. It has had wheel weights and chains on it the whole 12 years .  I've kept the oil changed and lubed every year. The hydro tranny is wonderful for hills to adjust the speed according to the condition-up,reverse and turns on the hills. I can't say enough good about this mower. That said I've taken the chance and purchased a used tranny from Florida (no hills) and should receive it soon. i hope that it all works out but still would like all the thoughts anyone may have on my upcoming project. Thanks !
Bill_H


Location: Maine
Joined: Jan 12, 2008
Points: 354

Re: Craftsman Lawn Tractor tranny problem?
Reply #31   May 2, 2012 9:38 pm
It CAN be rebuilt - the Sears guy even quoted you a price for a rebuilt trans, right? - but it is considered not "user-serviceable". Sealed just means you have to open the case and replace the gasket (RTV) when you close it up again. Anyway, since you have another one the way, consider changing out the oil before you install it. The new one may not have a drain hole in which case you'll have to pry off the vent cover and flip the thing over a few times to drain it. You can just add as much as came out, but better to do some research and find out how much should be in there. If you're careful you can reinstall the same cover, but if you break it you'll have to buy a new one - not expensive by itself but shipping and possible minimum order charges may bite you.

Who the hell let all the morning people run things?
FrankMA


Location: Merrimack Valley/Northeastern Mass
Joined: Jul 1, 2010
Points: 587

Re: Craftsman Lawn Tractor tranny problem?
Reply #32   May 3, 2012 7:10 am
I would definitely change out the dino oil and replace it with the same viscosity synthetic oil which has a much higher temperature tolerance. The Tuff Torq K46 transaxel calls for 1.9 litres of 10W30.

Toro Wheel Horse 522xi GT, Honda HS928TA, Honda HS621AS, Honda HS520A, Toro CCR3000 (work in progress), Honda HS624WA (sold 08/23/2010), Stihl BR550 Backpack Blower, Stihl MS250, McCulloch MS1635, Honda EM6500SX Generator
AKDean


Joined: May 21, 2012
Points: 2

Re: Craftsman Lawn Tractor tranny problem?
Reply #33   May 21, 2012 5:42 pm
I bought a craftsman 42" hydrostatic riding lawn tractor Model#917.256570 I think it is between 2003 and 2005 model. It runs for a bit then slows down and then won't seem to engage at all. It seems to be the transmission. I wrote and was told this transmission is absolete.

I read the posts about drilling a hole in the transmission and putting lube oil in. Where exactly do you drill this hole? If I pdf a picture or drawing, can someone point out where I should drill? I don't want to damage the unit if I can't replace it. Do you know if there are pictures, or a utube video of someone doing this?

Thanks

Aaron

Bill_H


Location: Maine
Joined: Jan 12, 2008
Points: 354

Re: Craftsman Lawn Tractor tranny problem?
Reply #34   May 21, 2012 8:36 pm
Your Craftsman mower has a Hydro-Gear model 319-0650 transmission (http://www.m-and-d.com/pdfs/hydrogear/319-0650_150071.pdf) Sears part #150071. Try googling those numbers. Good luck.

Who the hell let all the morning people run things?
AKDean


Joined: May 21, 2012
Points: 2

Re: Craftsman Lawn Tractor tranny problem?
Reply #35   May 23, 2012 7:57 am
Thank you for the reply and schematic site.  I just looked at the transmission and it says a 310-0650.  Is that the same as the 319-0650?  ...or will it work the same?
Bill_H


Location: Maine
Joined: Jan 12, 2008
Points: 354

Re: Craftsman Lawn Tractor tranny problem?
Reply #36   May 23, 2012 8:12 pm
Sorry, no idea. You sure it's a 0 and not a 9?

Who the hell let all the morning people run things?
pokerrally


Joined: Jun 16, 2012
Points: 1

Re: hard to shift into gear
Reply #37   Jun 16, 2012 7:29 am
Hello, I have a 19hp craftsman, I changed out the 16.5hp for a 19.5. After i did that it was hard to shift the gears. its like a standard car with the clutch starting to go, it seems like its locked up. any suggestions to my problem?

thanks

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