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Hydrostatic 2 wheel tractor?


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#16 brokenfeather OFFLINE  

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Posted November 10, 2011 - 06:20 PM

This is one bunch of ideals I'm going to keep my eye on.

#17 Lovintractorin OFFLINE  

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Posted November 10, 2011 - 09:02 PM

Interesting plan,,, the Gravely/Rapid walkers are hydros but also very spendy. The biggest thing I can think of at the moment is maintaining balance with the components, if its nose or tail heavy it isnt gonna be fun to operate, definetly drop reduction axles/housings to get more ground clearance and slow the bigger tires down. How about a hydraulic pto, not only could you control its speed but also direction, likely this would require a fair sized engine though, but would simplify a pto hook up. Separate wheel brakes would be a nice addition also.


I have seen the Rapid hydrostatic hillside mowers. Lots of money.

Balance I am not to worried about but maybe I should be. I want it to be nose heavy and balance it with attachments and weights. I'll have to think about drop reduction axles. I think clearance would not be a problem with larger tires but speed and torque would be. Unless I ran a hydrostatic pump into a transmission then into a rear end. That would get awful pricey though. Unless I could find someone who would sell me parts cheap.

#18 Lovintractorin OFFLINE  

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Posted November 10, 2011 - 09:09 PM

How about a PK rear , driven by a Case pump to hyd motor ,
Posted Image
POWER KING tractor rolling chassis -


That is a interesting idea and I like to get that for parts but I don't have transportation right now and that would be a hefty drive. But it already has turning brakes on it and it would sorta go with the idea of a hydo to a tranny to the rear end.

I would like to do this as cheaply as possible but still have a good end result.

#19 Lovintractorin OFFLINE  

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Posted November 10, 2011 - 09:19 PM

Here is a rough sketch I did in google Sketchup. This is the first time using it and I think drawing on paper is easier and I think that is what I am going to do for the details. Anyway this drawing is built around the bolens rear end/hydro idea. I still think this is the simplest idea but I may have to go with smaller tires. I could get it more balanced by turning the engine around. There are plenty of things missing from the drawing but I'll have to do those on paper.

sketchup single axle.jpg



If I had lots of money to throw at this is would be fun to mess around with many different ideas. It is fun coming up with contraptions.

#20 KennyP ONLINE  

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Posted November 11, 2011 - 06:25 AM

Cool drawing. Sketchup can be rather trickey to work. Angles are a real challenge for me. I'll be lurking around watching your progress.

#21 mjodrey OFFLINE  

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Posted November 11, 2011 - 06:30 AM

Sketchup sounds like a good program,I might have to get that program.

Tucker,good looking drawing.

#22 KennyP ONLINE  

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Posted November 11, 2011 - 07:07 AM

Maynard, it can be a challenge. It has taken me a while to do what I have done with it. A faster computer would help, this old thing gets real slow when I am using it.

#23 mjodrey OFFLINE  

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Posted November 11, 2011 - 07:14 AM

Maynard, it can be a challenge. It has taken me a while to do what I have done with it. A faster computer would help, this old thing gets real slow when I am using it.



Yeah,mine is the same way now.

#24 JDBrian OFFLINE  

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Posted November 11, 2011 - 08:18 AM

You would want to have a dif. lock for a tiller wouldn't you? What about a hydro snow blower chassis? Honda makes them with hydro drive. Also I think Sears recently has some models that are hydro. In spring and summer you can often pick up used blower cheap, although the Hondas tend to be pricey.

#25 KennyP ONLINE  

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Posted November 13, 2011 - 06:41 AM

The Ford/Jacobsen rears are limited slip. I tried pushing a pile of dirt with mine and dug holes with both tires.

#26 Lovintractorin OFFLINE  

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Posted November 13, 2011 - 01:28 PM

I drew in a few more details on one view. From the looks of it it may be good to turn the engine around backwards to shorten the nose and bring it closer to balance. This is still with the Bolens Tube frame rear end design of the one in a 1256, with differential lock and eaton 10.

PIMG0059.jpg

#27 Alc ONLINE  

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Posted November 13, 2011 - 02:38 PM

Pretty nice design , keep us posted , Al

#28 Lovintractorin OFFLINE  

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Posted November 13, 2011 - 06:31 PM

Alright, I messed around on sketchup again and turned the engine around. It looks like it will work that way. I also came up with a different design for the trailer hitch (separate from the implement hitch). It will make turning while pulling a load easier cause it will pivot on the center of the axle.

new design einachser.jpg

new design einachser 2.jpg

new design einachser 1.jpg

#29 Alc ONLINE  

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Posted November 13, 2011 - 07:08 PM

Will the engine be turning the rear correctly ?
  • Lovintractorin said thank you

#30 Lovintractorin OFFLINE  

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Posted November 13, 2011 - 07:14 PM

Will the engine be turning the rear correctly ?


Hmmm, good point. Have to to think about it a little more. Maybe could put a pulley on the front of the engine and just slide it back.




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