540/1000 PTO

Mark · Dec 25, 2008

I didn't want to hi-jack the thread below...but I have a question.

Did/do they make a 'doubler' or whatever you might call it, so 1000 rpm equipment could be used with a 540 tractor? I'd think a pto overdrive that slipped on the 540 shaft ahead of a 1000 rpm attachment would be a no brainer.

Does such as beast exist?

nellie · Dec 25, 2008

As a stationary unit it might work but it would creat problems with shaft angles on pulltype equipment.
Tom

buickanddeere · Dec 25, 2008

The manufacture is listed in archived past posts in this site.

paul · Dec 25, 2008

They do. It is expensive. It makes the pto stick out a ways, so you run into angle issues as mentioned.

Many times it is a power issue - 540 pto is on tractors up to 60hp or so, 1000 is on tractors on up from there. A 540 tractor may not run a 1000 implement.

--->Paul

Mark · Dec 25, 2008

Thanks fellows.

My idea is for use with a hammer mill that needs 2500-3000 shaft rpm to work properly. In converting it from flat belt drive and to V belts, it requires a pulley on the order of 22" in diameter. If the PTO was already at 1000 or so, the pulley diameter could be halved. Multi-groove 10" to 12" pulleys are quite common and easy to obtain....but 4 to 6 groove 22"+ pulleys are very hard to find and cost out the kazoo.

Thanks.

nellie · Dec 25, 2008

Why not use an inflated car/ag tire against the pulley held by a cage of your design. I've seen lots of adaptations for pulley driven equipment using same idea.

Mark · Dec 25, 2008

That conversion is still under consideration. I'm just brainstorming at the present.

KEB1 · Dec 25, 2008

If you're building shaft/pulley arrangement anyway, why not add a jackshaft with a second set of pulleys to give a two stage speed increase.

Keith

Bob · Dec 25, 2008

Here you go. Unfortunately, retail is just shy of $2000.00.

<img src = "http://catalogs.hubcityinc.com/pagegraphics/farmrev/model390PTOspeedchanger-1.gif">
Hub City 390 series

Mark · Dec 25, 2008

I found that while searching as well. A nice used one might show up at auction sometime.

Mark · Dec 25, 2008

That idea has crossed my mind as well...lots and lots of ideas...selecting the most practical isn't easy. Probably ought to sell the mill and forget about it.

Janicholson · Dec 25, 2008

Use a cogged (Gillmer style) drive with 2.5" wide belt with a 5:1 overdrive. Small pulley would be about 4 to 5" to keep power and belt wear in line.
A second idea is to use a truck transmission driven from the output shaft to make a speed increaser. This might allow the tractor to be running at a part throttle condition in one of the gears for a small mill, or light loads. A tranny needs to have its input shaft held straight, no side loads can be placed on the clutch shaft. JimN

Mark · Dec 25, 2008

I have also considered using a small transmission..like say out of an Toyota PU..in that very same fashion JA. I think it has several merits.

Janicholson · Dec 25, 2008

Do it. I have spliced transmissions into a variety of transportation and stationary units. None failed. I had a 13speed VW bus with a Opel 1.9 OHC from a Manta, and a Dagenheim 4 speed with a ford 3 speed PU truck trans as a range trans driving a Datsun 280Z differential and 510 half shafts and hubs. Pretty cool unit 3X4=12 speeds--put it in both reverses, and it had the 13th speed. with 7 in reverse. It was fun to drive it in a parking lot and shift backing up!! JimN

JOE FARMER · Dec 26, 2008

SEEEMS LIKE ALOT CHEAPER OPTION WOULD BE TO FIND A COMPATIBALE HAMMER MILL AT AUCTION ?????????????BOUGHT ONE LAST SUMMER FOR 900????3000RPM SOUND INSANE?

540/1000 PTO

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