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 hydro transaxle

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Jamus
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PostSubject: hydro transaxle   hydro transaxle Icon_minitimeMay 31st 2012, 3:40 am

has any one done any mods or pulley swaps on a hydro and if so how well did it work and how long did it last.
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dked41
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeMay 31st 2012, 11:50 am

Pulley swapping on a hydro isn,t a good idea, all it does is spin the pump faster leading to burning it up faster. The little bit of power gained by increasing pump pressure isn.t worth the failure rate. If the hydro is good you can sell it for more than the cost of a gear trans and make the swap to a gear trans, then pulley swap it.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeMay 31st 2012, 10:40 pm

dked41 wrote:
Pulley swapping on a hydro isn,t a good idea, all it does is spin the pump faster leading to burning it up faster. The little bit of power gained by increasing pump pressure isn.t worth the failure rate. If the hydro is good you can sell it for more than the cost of a gear trans and make the swap to a gear trans, then pulley swap it.


How much can you sale a hydro on ebay for?
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greener179
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 1st 2012, 10:27 am

ok how much could i sell this good tranny for and how do i rig up a clutch since it was hydro
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dked41
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 1st 2012, 11:17 am

Price would depend on the tractor, just do a search on E-bay and you should get a good ball park figure. As far as a clutch, check out posts by FearlessFront, he has done a nice clutch set up. I would post a link but I haven't figured that out yet.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 1st 2012, 12:29 pm

ok thank you
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 5th 2012, 1:28 am

this hydro is old and not worth much its getting a new tranny sometime but if i swap axle pulley to 1inch smaller how long you think it will last
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 5th 2012, 9:16 am

1 inch won't make that much difference, you should be okay for a while. You need to keep in mind that you won't gain any real speed, pulley swapping a hydro doesn't really affect gear ratio.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 5th 2012, 10:24 pm

im just trying to get 10mph out of it my brothers friend had one that went like 15mph and lasted a long time
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 6th 2012, 12:07 pm

Bigger rear tires will help with speed a little.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 6th 2012, 1:48 pm

i already have 22x11x8s on it but on stock rims there more like 23 or 24x9.50x8 and still only go like 5mph
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Jamus
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 6th 2012, 3:12 pm

I have an extra hydro transaxle and was thinking about this topic. Since the transaxle is basically a pump, you can't speed it up on the engine side. Some have mentioned larger tires as a way of changing the final ratio and going faster, but also mentioned, it doesn't change enough. What about gearing off the axle shafts of the transaxle to a solid gokart axle? You could use sprockets and chain to increase speed while the transaxle will still be turning at the stock speed. This would also take a lot of stress off of the transaxle since most of the stress would be on the 1" or larger kart axle and bearings.
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dked41
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 7th 2012, 11:26 am

I wonder if anyone has opened a hydro, how hard would a internal gear change be? I know there are a lot of hydros out there that would benefit from more speed. I myself have a Yamaha hydro tractor that is slow.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 7th 2012, 11:57 am

It may be easier to replace it with a SPICER 5 SPEED TRANSAXLE.

link.v.v.v.v $150+ shipping
http://www.surpluscenter.com/item.asp?item=13-1400&catname=powerTrans
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 7th 2012, 2:19 pm

i dont mind changing my transaxle but i dont have a welder to do the clutch
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 7th 2012, 9:06 pm

dked41 wrote:
I wonder if anyone has opened a hydro, how hard would a internal gear change be? I know there are a lot of hydros out there that would benefit from more speed. I myself have a Yamaha hydro tractor that is slo
w.

I have and I regret it to this day. Springs and shit EVERYWHERE. I don't know how they put that thing together at the factory but I sure couldn't.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 7th 2012, 9:27 pm

well i need a cheap way to get speed
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeJune 8th 2012, 8:53 pm

Only way to make a hydro faster is to mess with the linkages - on my 99 hydro murray its already a near 1:1 ratio - small motor pulley ( 4"? ) and a small trans pulley ( 3-4" ) - its totally stock that way .

I have to say with the original 17HP twin briggs - it moves around pretty good .


If you dont have a welder, you could find a local guy that welds - just fab it all up, make a drawing and he can weld it for a nominal price.

When i dragged my 82 dynamark down here, somehow the front deck bracket cracked - i removed the bracket, then looked in the phone book for a welding shop nearby( about 5 mins down the street) - took 10 minutes and $5 to weld it - i gave him $15 , was worth it ( needed the yard mowed ).

He also had a couple old lawn tractors there i ended up buying - so scored on both counts.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitimeOctober 9th 2012, 1:43 pm

greener179 wrote:
i dont mind changing my transaxle but i dont have a welder to do the clutch

On some tractors you can use the same clutch that worked with the hydro. That is how my simplicity is.
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PostSubject: Re: hydro transaxle   hydro transaxle Icon_minitime

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