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 Using Pto shaft gerbox (90°) on lawntractor engine

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MoTiJo
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PostSubject: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeNovember 2nd 2023, 5:44 pm

Hello,
I have a question for you guys. Has anyone of you ever tryed to use a PTO shaft gearbox that you find on big and small agricultural tractors and connect it to a lawntractor egnine (i have a 11hp one) so you have a horizontal shaft for a gokart axle? I looked on google and there are also smaller pto shaft sizes, so this should work without robbing the engine much power, right? Using Pto shaft gerbox (90°) on lawntractor engine Zapfwe10
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MoTiJo
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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeJanuary 28th 2024, 4:14 am

Because no one has replied, Im just gonna order one of those gearboxes and try to use them on a horizontal shaft honda engine and connect the engine with this 90° gearbox to a stock Lawntractor
transaxle.
A gearbox (the one on the picture in my post above) is 80€ and im ok with that price so im gonna try it.
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Brianator
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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeJanuary 28th 2024, 10:31 am

Sorry man I don't remember seeing your question or I would've replied, I've never used one like you're wanting to but can offer a little insight. Yes it's going to rob a little bit of power (probably 1-2 hp) there's no getting around that but only the manufacturer will truly have an idea of how much. The gear ratio is going to make a big difference as well, do you know what it is? If I were you I'd be researching into the gear ratios of a Peerless 700 gearbox and their uses in mower racing to get an idea if this gearbox could work as you want it to.

Hope this helps a little.


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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeJanuary 28th 2024, 12:52 pm

Aye... guess the notification thing goes back further than I thought.  I agree with @Brianator!  HP loss would be minimal.

CarsandCamera's used one with a 5hp engine for a red wagon go-kart and they had no issues with the right angle gearbox.


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MoTiJo
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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeJanuary 31st 2024, 10:21 am

@Brianator
The Gearbox has a gear ratio of 1:1, so there is no change in the output shafts speed.
The reason why i want to use the 90° gearbox is because i want to have a chinese honda GX clone (200cc) to drive a peerless 700 gearbox for one of my projects, i cant get a real lawntractor transaxle for cheap here in germany.
I dont know the gear ratios of the peerless 700's i have laying around....
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muddybasilisk
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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeFebruary 1st 2024, 3:49 pm

I've never found a ragb for less than like 150, where did you find one for 80?

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MoTiJo
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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeFebruary 1st 2024, 4:27 pm

@muddybasilisk
On Ebay, i even found one for 63€, shipping is about 5€.
You can search for:
Angle Transmission for Fertilizer Shakers.
here's the link (idk if it ships to the USA):

https://www.ebay.com/itm/154476225341?mkevt=1&mkcid=1&mkrid=707-53477-19255-0&campid=5338624525&toolid=20006&customid=6f5c573d9c1d8e22af89c12922faece5

Using Pto shaft gerbox (90°) on lawntractor engine Zapfwe11

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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitimeFebruary 22nd 2024, 4:52 am

FWIW: Those RAGB for AGRI usually have an 1800 RPM speed limit. You can buy them at surpluscenter, ECC, etc. So, I would think about having a 2:1 ratio on the pulley system if not being direct drive with a lovejoy connector.
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PostSubject: Re: Using Pto shaft gerbox (90°) on lawntractor engine   Using Pto shaft gerbox (90°) on lawntractor engine Icon_minitime

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