Woods MD-160 gearbox destruction

   / Woods MD-160 gearbox destruction
  • Thread Starter
#11  
So... yeah... I pulled the top cover off and found this...

20200630_160351.jpg

This gearbox assembly should be lubricated with butter because it's toast.
 
   / Woods MD-160 gearbox destruction #12  
So an initial search is showing the stock Woods gearbox is an $1100+ item. OUCH. I am thinking it might be worth considering retrofit of another gearbox, maybe even an oversized one. For example Grizzly has a 100 HP unit for less than $300, with a side mount configuration like the Woods gearbox. However I have not checked the exact fitment.

Thoughts on the retrofit approach?
if the Grizzly will fit, that's much better than the woods..
 
   / Woods MD-160 gearbox destruction
  • Thread Starter
#13  
Right now I am leaning toward this one since it has a 2" output shaft. I would have to convert to a bottom flange mount but that should not be a big deal.
Splined Shaft-Input Shaft | Agri Supply 89751

It turns out the Grizzly unit is made for dual shaft units so presumably it is intended more for belt drive, and not a direct link to the stump jumper. The output shaft is 1-3/8"
 
   / Woods MD-160 gearbox destruction
  • Thread Starter
#14  
So to follow up, I have shopped and considered options, etc. etc. and I really only have four choices as far as I know:

1. Buy the original Woods gearbox (Part # 11155) for $1200. This is the going rate from five different Woods parts suppliers.
2. Call around relentlessly and with high improbability find a serviceable one sitting on a shelf somewhere I can get for less.
3. Modify the existing deck to take a bottom mount gearbox and buy a generic gearbox, stump jumper, blades, and PTO yoke for about $500-$600 in parts and say 10-15 hours of my labor to do it properly. The main problem here is time; I do not really need another project right now. And considering what my time is worth, that is getting me close to option #4...
4. Buy a new or used rotary cutter. Thing is, I need something like this heavier Woods rotary cutter for what I am doing. This is a MD160-1 835 lb unit with a beefy gearbox; that is a heavy unit for a 60" cut. So it would take something like a Bronco 60R, a Brown 415, or a Woods BB60.50 ($4270) to properly replace this one, which will be expensive as a new unit. At least locally (South Texas), the heavier construction rotary cutters are rarer on the used market, and harder to find; most people have light duty units.

On the bright side I suppose it is good to have options. :)
 
 

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