[AT] Gearbox help

[Bo Hinch]

You might check out this site as they have a lot to offer .
https://www.surpluscenter.com/Gear-Reducers/Right-Angle-Gear-Reducers/Cast-Iron-Shaft-Input-Gear-Reducers/


On Tue, Jan 7, 2020 at 8:52 AM Gunnells, Brad R <brad-gunnells at uiowa.edu>
wrote:

> This is semi-tractor related. I have a log splitter my dad built many
> years ago that is 3 point mounted that runs off the tractor PTO. This past
> weekend as I was splitting some firewood I heard some knocking (thought it
> was tractor at first). Got everything shut down and started looking things
> over and come to find the gearbox on the splitter was the issue.
>
>
>
> Dad picked this gearbox up at an auction probably 35 years ago so have no
> idea what it may have been used on. This gearbox has a selector to run it
> 1:1 or 6:1. We use the 6:1 ratio to up the speed of the PTO to the
> hydraulic pump. Allows the tractor to run just above idle.
>
>
>
> Would anyone have any thoughts on where someone might find a reasonably
> priced replacement for something like this? I’ve also thought I could
> probably replicate it with pillow block bearings and shaft with some chain
> sprockets. Make a chain drive that gives a similar change in ration. I have
> a suspicion we may be over driving the pump at 6:1 so maybe something more
> like 4:1 would also be better for longevity of the pump.
>
>
>
> I’m trying to add pics for reference as well.
>
>
>
> Thanks for any suggestions you may have.
>
>
>
> Brad
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