Pulley Swapping a Hydrostatic, How Fast?

In this episode, we test if hydromatics can be pulley swapped...
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I hope you like and thanks for watching.

[@spudstudios3342]

the reason they say you cant pulley swap them is because the pump in the trans will burn up, killing the trans for good. Good test though, I didnt think it would go THAT fast. Pretty cool!

[@chud327]

I have heard that. If it burns up then it will be time for a manual swap... Thanks for watching!! I too was impressed with the speed.

[@spudstudios3342]

@@chud327 the fastest I ever did on a hydro was 7 by bypassing the gov on the oppy it had. Now that same oppy has let me hit 50 on a different mower...

[@chud327]

@@spudstudios3342 50 is insane... That might be what my next one does, but I am kinda scared to try it...

[@spudstudios3342]

@@chud327 it should be fine as long as you are careful, I've done 20+ around corners because of no breaks...

[@isaiahvestal9697]

I think I have this solved, I mount an auxiliary radiator fan 80w next to the transaxle ( wherever it fits), wire with a switch and in-line 10 amp fuse. My temp gun says about a 20°F less after a log skid with fan on vs. fan off. I also run it while I am hauling trailers. No pulley swap though, I think I am working it harder on the low end.

[@cjack121]

I had a customer who replaced a damaged hydro pulley with a smaller one he had laying around. After about a month of cutting his two acre yard, the transmission seized up. Upon disassembly it was found most of the fluid had “boiled” off and what was left smelled like burned gear oil, also signs of extreme heat.

[@ThatOneGuyIsaac]

thats really good for a hydro, i put the belt on the deck pulley on mine and did about 8 mph

[@chud327]

Very cool, that sounds like a quicker test than mine. Thanks for watching!!

[@ThatOneGuyIsaac]

@@chud327 yea, it messed up the belt though

[@chud327]

@@ThatOneGuyIsaac now we know...

[@nickpellegrin]

Pretty good,quick build. I always forget the lever that releases the hydro too 😂. Most hydros whe water is deep enough for the fan to contact water....the fan blades act like a propeller slowing it down and making slipage easier. I trimmed the blades down on my old husqvarna,it helped but still slipped when water got over the fan.

[@chud327]

That is true, I will probably just stay out of deep water. thanks for watching.

[@Lonniell95]

10 mph is impressive! And it's a good mudder!!

[@chud327]

I was so glad to hit double digits!! So stay out of the deep water!! Thanks for watching!!🌊

[@RichieRichOverdrive]

I’ve put some amount of thought into pulley swapping a hydro. The limiting factor to speed on a hydro is the maximum flow of oil in the transmission, which may or may not be achieved above the stock pulley setup. If you pulley swap it too high, you are achieving maximum flow at a lower engine rpm- giving full speed at lower engine power, causing it to bog. Give it more throttle in that situation and you don’t gain any speed, and only make more heat because the trans is trying to pump more fluid that it can use. If you can find the max speed that the hydro will do and tune your pulley swap to make that max speed at your engines peak power making RPM (usually the governed 3600), you will be be able to use your transmissions best speed, at your engines best RPM, and hopefully without overheating your transmission. Hot Lap Garage on KZbin has several hydro Wheel Horses, they are stout units and proven to be very capable in rock crawling, even placing well in TTC. I saw his Ghost pull a dead wheel horse up a crazy rock crawl. He’s starting to have problems with them overheating and I believe he’s planning on installing a oil cooler on one. Hydros are something that I think need more research and trial and error!

[@chud327]

It does need more research. I have been watching TTC and the first ever hydro is doing good.

[@chud327]

Thanks for watching!!

[@jitterbug2065]

Hey! I think thats my old mower! 😂. It's about time you did something with it.

[@chud327]

This is your old mower. The boy was fixing it up, but he quit on it. I am glad I finally got it going and that you saw it. Thanks for watching.

[@pinkladybikermamma3603]

KEEP IMPROVING THE UPGRADES.

[@chud327]

Will do and thanks for watching!!

[@Stefanseiner]

racing lawn mower - the most senseless hobby I can think about wasting the free time but - man I loving your channel for this exact thing 🙂

[@chud327]

I have waste a lot of time then, so glad you love it, thanks so much for watching!! Keep watching I'll keep passing time build them.

[@hotlapgarage]

my new build is a 1972 Massey Ferguson Hydra speed. It does 13 mph Stock in high gear, I am putting a Kohler Command Pro 37 HP on it and building it as a tractor recovery rig...

[@chud327]

Sound like a cool machine and it should do recoveries great with 37 hp!! Thanks for watching.

[@general-Lee-700]

That mower would be awesome with a Lift kit Straight pipe And truck tires I might try to pulley swap my hydro just for laughs

[@chud327]

Cool suggestions and thanks for watching!!

[@Aiden-kx6uy]

Thanks for another video!

[@chud327]

You are welcome and thank you for watching!!

[@jongeddes09]

Pulley swapping a hydro overclocks the hydraulic pump in the transaxle. You get more hydraulic pressure at the expense of more heat and fluid cavitation.

[@chud327]

I felt the more heat for sure, we see how long it lasts. Thanks for watching!!🔥

[@andrewhickman28]

I pulled swapped my 20 hp briggs vtwin wizard its hydrostatic and that thing moves pretty good. Haven't had any issues with the trans yet . It does get pretty warm if your running it hard though so it might end up taking a shit at some point.

[@chud327]

I'd say drive it like you stole it for test purposes, if it fails you can then pop in a manual. Thanks for watching and let me know how long it lasts.

[@AGRIMOVIEemi]

Great job 👍🏻 👏 👍🏻 👏

[@chud327]

Thanks so much and thanks for watching!!!

[@ninevoltmodz4687]

The key to a fast hydro is using a live axle and sprockets on the axle shafts of the hydro to changing the gearing. The bad part is engine braking/slowing down, not sure how the pump would react to that.

[@chud327]

Love axle would be cool, thanks for watching!!

[@HandymanMark]

Looks like it'd be a good Wheely machine. Like standing still with the forward and reverse

[@chud327]

Yeah, should be good for that. Thanks for watching!!

[@COWGIRLMOTORSPORTS]

I have pulley swapped several hydros and never had a problem with them and I have a pulley swapped Mud Mower Hydro that goes 14 mph

[@chud327]

14, that is something for me to shoot for. Thanks for watching!!🎯

[@RC-nu9yr]

Have you had problems with youre hydro trans stop pulling in deep water

[@J_Beazy223]

Awesome test run. I have been wondering about the hydro pulley swap. Good to know it does work. I wonder if the engine had a little more power if it wouldnt bog so bad but may could get some more top speed with a taller tire too. guess we will see what the longevity will be. thanks for the video!

[@bertaw9673]

Air down the rear tires an then try again

[@chud327]

If I could go back I would leave the stock engine with more power... That may be a future build. Will see how long it lasts and thinking about taller tires. Thanks for watching!!

[@J_Beazy223]

@@chud327 was there anything wrong with the stock engine? Whats the plans with it? Looked like it was similar to a kohler courage.

[@chud327]

@@J_Beazy223 It is currently on my next build, I am doing another fast mower, but kinda scared to test it... Video coming soon.

[@cheegebvvbvvbbhggf8638]

Can't wait to see a video on that soon I wonder what happens if you pull swap a hydro

[@chud327]

Coming soon, I wanna do a sand test tomorrow for a complete review. Thanks for watching!!

[@TheLonelyCowboy1958]

Awesome build chud, i got my 21 hp briggs in my mower, but i got a flathead 10 horse that i could swap on there to do this swap, still need a pulley for the rear end. I think also if you used i think transmission fluid, you'd get somewhat better cooling, cause the heavier gear oil heats the transaxle really bad. at least, so i've heard.

[@chud327]

Never thought of changing to ATF... My ght be worth a shot. Thanks for watching!! Let me know if you try it.

[@TheLonelyCowboy1958]

@@chud327 Im runnin junk oil in my craftsmans transaxle right now, because i know that thing will not be able to handle much power, but its still gunna be good. im a few steps closer on gettin the thing on the road. I will be using ATF in a 6-speed transaxle when i buy one.

[@Mo_2118]

those wheels at 9:46 could be some big front wheels for something like major dan whenever it gets rebuilt

[@chud327]

They are going on the back of John Deere as soon as I air them up. Thanks for watching!!

[@Mo_2118]

@chud327 ohhh that's going to be sick, and a second pair of dirt devils right? Maybe silver bullet gets dully tires...

[@kelceygerman1400]

I especially liked the part where you thought it was an atv:)

[@chud327]

Yeah, most of my mowers go through that with no problems, but not this one. thanks for watching.

[@scrapyardengines9741]

Almost took out the angle grinder

[@chud327]

Yep, it needs to get out the way next time... Thanks for watching!!

[@NathanSpl]

Cool, I love your video, I'm only 15 but I love tractor mowers and I love riding tractor mowers and if I had known you in real life, I could have ridden your tractor mower with you.

[@chud327]

Very cool and thanks so much for the comment. Thanks for watching!!

[@NathanSpl]

@@chud327 You're welcome. If I knew you in real life, would you let me ride with you on your lawn tractor so I could watch you mow?

[@Hunter-14-h3l]

I really really like your videos

[@chud327]

I love heating that and thanks so much for watching.

[@roybradham1808]

I love the channel have learned a lot thank you

[@chud327]

Thanks so much and thanks for the multiple comments. thanks for watching.

[@Daren-ok5sg]

My wife has 2 j.d hydro mud mowers with 26 inch atv tires thay will do 12 mph she has run them for a year no problem

[@chud327]

Very cool!! Any videos? Thanks for watching!!

[@bazilwreckerloughead]

10mph is pretty impressive for what it is!

[@chud327]

Thanks so much and thanks for watching!! I glad to hit 10!!

[@nicolec7290]

Nice tires

[@chud327]

@@nicolec7290 thanks so much and thanks for watching!!

[@LeonardMagnusson]

westport wa.state here and listening watching and learning sir. thank you for showing me that. if i get in that situation next summer. do believe i will put a hole in the bottom of the tranny. in line small pump. and get a small cooler. sure something for me to think on.

[@chud327]

Would like to see how your turns out and thanks for watching!!

[@LeonardMagnusson]

got rid of the other ones. my daughter is looking for one of that type for me. have had a few strokes and the automatic will nice. and making the old one into a beach comber. i am ten minutes from beach. think i told you. can't wait for the spring weather. i will try and get you some pictures.

[@kevintaghon9624]

Ee erre eee errr eeee errrrrr eeeeee errrrrrr eeeeeeeee errrrr eee ehhhhhhh. Gold

[@chud327]

That is what it does and thanks for watching!!

[@astonmarjo]

Pretty darn cool.😎

[@chud327]

Thanks so much, currently working on my next pulley swapped hydro. Planning to be bigger and better. thanks for watching.

[@NickMaberry]

Idk it might blow it might not btw chud I love your videos

[@chud327]

If it t blows it blows... Thanks so much and thanks for watching!!

[@muddybasilisk7526]

I didn’t know hydros could be swapped

[@chud327]

First time I have tried it, we will see if it holds up .. thanks for watching!!😊

[@robertmailhos8159]

I just got a craftsman ys hydro drive lawnmower and work on it to get it cutting grass again

[@chud327]

nice, hope you get it going. thanks for watching.

[@robertmailhos8159]

@@chud327 your welcome Chud 327

[@liljoeii6091]

Very good video thank you for the video

[@chud327]

You are very welcome and thank you for watching!!

[@P.Trim69]

Heyells yes nice. What do u think would be good replacement motor for cub cadet 2542 with locked up Kohler command horizontal shaft. Try get this one i got for my pops to cut grass with. Hes getting up there in age andhes one of them guys that's gotta be doing something so you cant even cut ot for him he'll do something else.lol so minds well get him on a rider. Our ole huskee is about on last cut. And that was few years ago. I got nice cub looks new was always cleaned after it was used and has captian seat atm rest and its not cracked. Lol. Thanks love all the videos had to resub my phone been acting crazy. From ur ole hillbilly buddy stay safe.

[@chud327]

I would think any good running horizontal shaft with the same or more power. I typically prefer Briggs. Diesel might be cool, but hard to find. Good luck and thanks for watching!!

[@chriskissell4687]

Im building a murray pulling tractor for rc track maintenance will 20x10.00-8 fit on a 8.00-8 rim i got clearance between back sidewall 20x10 tires seem more available and better tread options. Its hydro auto but im dragging stuff behind it so no pully changes for me but a 11 mph lawn tractor would be cool i definitely think my 14.5 briggs would move but don't want to hurt the trans shes a old murray from 96 so im sure parts are hard to come by

[@chud327]

Tire should fit, I would say try a little pulley swap, but that is just me. Thanks for watching!!

[@chriskissell4687]

I mean in time, she'll probably get a little something done to her but I'm very pleased with the tractor so far but she needs new shoes especially after watching your videos meats are so much better than truf saver they have there place for uses. But I'm dragging stuff on wet surfaces and want max traction with out opening the diff good tips next best thing to try. But haven't had any issues pulling nothing I've tried to move yet. Your videos are awesome broham! Thanks for responding brother.

[@micheleleghissa4928]

Tyres dimension rear and front?

[@FloridaManMason]

be curious to see how long it lasts. i did this a while back ago with a wheel horse hydro i built for my sister (so she didnt have to having to worry about shifting). she ended up sinking it up to the rear seat and blowing the transaxle. ended up having to leave it. it ended up raining and where it was at it got fully submerged and that was the last i saw of it. so long story short im curious to see how long yours last. that one lasted a week and it was a more beefy mower, it also did about 10 like yours.

[@reesemolloy6109]

Do a revive on it lol

[@chud327]

I am sad for it, but cool story. We will see how long it lasts. Thanks for watching!!

[@chud327]

That would be very cool!!

[@FloridaManMason]

@@reesemolloy6109 it got buried. It's now a part of the earth.

[@Tennesseemountainhomestead]

That’s cool! I was always under the impression a hydro can’t be swapped because it’ll burn up. Do you know what company manufactures that trans?

[@chud327]

I am not sure on the company , I have heard that too. We will see if it last. Thanks for watching!!

[@artemartem1134]

Usually Hydro-Gear on the bigger garden tractors and Tuff Torq for the smaller ones.

[@Lonniell95]

I really want to see this mower do a sand test? Sand test coming soon...?

[@chud327]

Let me know when you are ready to go... Thanks for watching.

[@jordanvantassell93]

Are you going to try to put a zero turn rear end on a front of regular mower

[@chud327]

That would be very cool, but not sure how good it would steer. Thanks for the idea and thanks for watching!!🅾️↪️

[@jordanvantassell93]

No problem idk either but I would be cool to see a build of trail and error build seseries of video

[@BubbaBoyz5.7]

Everyone wake up daddy posted 😍😍

[@chud327]

Funny and thanks for watching!!⏰

[@AdamShelton-iy3os]

Hey Chud, can you make a video on your mower chain “lift”. I need to lift my mower frequently but haven’t found a good system to lift it. Thx

[@cheegebvvbvvbbhggf8638]

So this is the first mower that you put a pressure washer engine on?😊

[@chud327]

I think so. I also used them on a mini bike, go cart, and boat motor. Thanks for watching!!

[@joeydepalmer4457]

2 things, bigger fuel tank and a cab! is that possible and are you planning on it?

[@chud327]

Maybe on a gas tank and you mean build a closed in cab? Thanks for watching.

[@joeydepalmer4457]

Ya. I have seen some on the internet with in closed cabs but they where basically soft cabs. I was thinking of placing a bigger tank on mine, at least doubling the one that is in the mower now. Also looking at trying to fix up the engine for distance riding down to the food store and back (about 25 miles away.@@chud327

[@timpate4555]

DUDE I LOVE THE VIDEO AND I REALLY LOVE YOUR TRACTOR OR WHAT I DON'T KNOW WOULD IT BE CONSIDERED A TRACTOR OR LAWN MOWER I DON'T KNOW CAN YOU I DON'T KNOW MY BRAIN IS JUST MESSED UP BUT GOOD JOB LOT LIKE HEY AT LEAST YOU DON'T HAVE TO BUY LIKE A 1 MILLION DOLLARS TRACTOR

[@chud327]

Thanks so much and thanks for watching.

[@KixBryant]

👍

[@chud327]

Thanks so much and thanks for watching!!

[@idkwhatnametochoose.]

At 9:02 it was a cold start but you can see the frame switching 🤣

[@chud327]

Yeah, I pulled it a couple of times with the key off, but was still cold starting. Good attention to detail and thanks for watching.

[@craigharper3877]

i'd like to see electric motor say from golfcart on mower curious of the speed would be like.

[@chud327]

That would be very cool and thanks for watching.

[@redneckbryon]

How’s the weather in Florida??

[@chud327]

Almost 80 yesterday, supposed to rain today. Thanks for watching!!

[@cheegebvvbvvbbhggf8638]

Have you ever used a pressure washer engine on a mud mower before

[@chud327]

Other than this one, I don’t think so. They are also great for boat motors, go carts and mini bikes. Thanks for watching!!

[@cheegebvvbvvbbhggf8638]

Are bed frame great for wheelie bars

[@chud327]

I think so, I use them on a variety of builds. Thanks for watching!!

[@cheegebvvbvvbbhggf8638]

How is that mower going

[@chud327]

I actually traded it off, but I am currently working on a bigger hydro and testing pulley swapping it. Video should be out in a week or two. thanks for watching.

[@LSCentral5328]

Hey chud. I have a 2005 Murray mower I was gonna swap I plan on putting a 2inch on the transaxle and do the pulley flip locking nut trick on the front. On the transaxle should I put gear oil in it or run it like it is? because they come stock with grease and I dont think that would be good for higher speeds

[@chud327]

I don't see what it would hurt to put some in there. I would probably just squirt some in and let it get to know you he grease. I usually just run them like they are. Thanks for watching!

[@Townsend20]

What are the best tires to get?

[@chud327]

I usually find mine on marketplace or gopowersports.com. good luck and thanks for watching!!

[@scottvess8391]

It'll burn up the pump. Only choice you have is larger tires/wheels and that too will eventually destroy the trans

[@chud327]

I have swapped a couple now, waiting to see how long they last. Thanks for watching!! BTW, if they burn up the plan is to convert to manual.

[@thechannel9637]

Is the 18.5 Briggs good on a mud mower mine has one and should a straight pipe it?

[@chud327]

I usually straight pipe most of mine ... Thanks for watching!!

[@cheegebvvbvvbbhggf8638]

What happens if you pulley swap a hydro

[@chud327]

Working on that question now on a different mower. Both have doubled their speeds, but feels like the current one makes bubbles in the transmission and it starts slipping. Still 100 times better in the mud, but will probably never get over 11 MPH. Thanks for watching and full video coming soon.

[@melchristian8876]

👍👍!!!!

[@chud327]

Thanks so much and thanks for watching!!👍

[@roybradham1808]

My stock John Deere la115 hydrostatic will do 8

[@chud327]

That is pretty good for stock and thanks for watching.

[@cool-sr3nn]

moin wo hast du die reifen gekauft ????

[@chud327]

The front are gopowersports.com and the back we're on clearance from tractor supply. Thanks for watching!!

[@themightykylewayne]

"slitly metric" 😂

[@chud327]

Yeah, I was trying to be funny, maybe you are the only one that caught that. thanks for watching.

[@Lonniell95]

Chud, this is a joke but if someone wanted to by everyone of your mud mowers what price tag would you put on all of them together? 😂

[@chud327]

All twelve and all parts would probably be 10K package deal. But then I would have to start over. What would you appraise them at? Thanks for watching!!

[@Lonniell95]

@chud327 10k Is pretty realistic price for there value.

[@chud327]

@@Lonniell95 would give me a bunch of room in the back yard too… would kick myself right after they leave.

[@Darkness_Blaze19]

It would of been faster if you would of put a more powerful engine tbh but thanks for proving haters wrong

[@chud327]

Yeah, I should have left the original engine on it .. thanks for watching!;

[@robertthompson4905]

Two questions: 1) How would a larger engine be faster? 2) How does this "prove haters wrong?"

[@Darkness_Blaze19]

@@robertthompson4905 for one my hydro build I done was slow with a pully swap then I swap the engine out for an op n it topped out at 20 them hydros can handle it

[@robertthompson4905]

@Darkness-Blaze19 thats not how it works. Unless ungoverned, more horsepower only equates to more torque. 3600 RPM is 3600 RPM, no matter how much horse power you throw at it. It will come to top speed faster and not bog down as easily... but not faster. It's physics "Proving the haters wrong" What in hillbilly hell are you talking about? Swapping a hydro? No one said you can't... We say YOU SHOULDN'T... look up hydraulic pump cavitation... again, physics for the win

[@rucebaybruce6174]

#TRUFAN

[@chud327]

That never gets old!! Thanks so much and thanks for watching!!❤️

[@DillTill-de8nw]

Is the trans still ok 😅

[@chud327]

Yes, sold it about a month ago, last I heard still good. Currently editing a more in depth hydro pulley swapped mower video.

[@cheegebvvbvvbbhggf8638]

How are you 😊❤

[@chud327]

I am great, how are you? Thanks for watching!!

[@cheegebvvbvvbbhggf8638]

@@chud327 me toooo great

[@cheegebvvbvvbbhggf8638]

​@@chud327 I am great can't wait to see a video on that mower

[@chud327]

@@cheegebvvbvvbbhggf8638 me too, hopefully by next weekend

[@leeeagle5994]

that might be " slightly " , metric ? .. Either it Is , or it is Not

[@chud327]

Just a joke, but seriously, neither standard nor metric fit right. Maybe it is just cheap product.

[@ppar0913]

i understand the test but not the way to do it... it could be so much easier!

[@chud327]

Please explain, I love easy. Thanks for watching!!

[@thatdaggumchevy]

Doesn’t make much sense as to why you would swap from 18 horse to five and a half.

[@chud327]

There is no deck to cut grass, that is really what you need all the horsepower for. This one is just a rider so use the small engine and save the bigger for another project. In fact, that other project is out, it is one of my recent releases, a General Lee themed race mower. Hope you will check it out and let me know what you think. thanks for watching.

[@woodendoors1075]

just buy an ATV

[@chud327]

You got a few grand you want to donate to the atv fund? Thanks for watching.

[@Turbo44mag]

I suggest research before even considering this guy's method.

[@chud327]

Me too, this video is part of the research... thanks for watching.

[@astrophelhart3806]

Silly 🙄 buy an atc boy

[@chud327]

I don't know what an atc boy is. I used to have a atv, but I traded for an old Camaro. Now days I feel the are too expensive for me. Thanks for watching!!

[@leedynshot]

Nah

[@DillTill-de8nw]

Is the trans still ok 😅

[@chud327]

Still spinning, thanks for watching.

[@DillTill-de8nw]

Is the trans still ok 😅

[@chud327]

Good question. It is the same.

[@DillTill-de8nw]

Is the trans still ok 😅

[@chud327]

Great, thank for asking.

[@DillTill-de8nw]

Is the trans still ok 😅

[@chud327]

It is fine, thanks for watching.