Building a mini tub grinder

   / Building a mini tub grinder #1  

Lee Majors

New member
Joined
Apr 25, 2011
Messages
16
Location
Midland nc
Tractor
Ls 3033H & Bobcat CT235
I've been dreaming of building a mini tub grinder.

Part of our family business is growing produce. With the crappy clay soils in southern NC we need a lot of compost each year. We try to make our own with the help of some landscapers dropping off their shredded leaves. I do landscaping as well and bring home all of my brush/clippings from our jobs.

It would really help cut composting time in half if I could run my shrub trimmings and small sticks through a tub grinder to make a mulch out of the clippings. a "real" diesel tub grinder USED would cost $25K+ for a 15 year old unit....that's out of the picture.

I have a spare kubota D1105T sitting in my shop. I've been thinking of making a small tub grinder with this kubota engine. I don't need a 150hp machine like landfills have and I don't need a 5hp unit like Home Depot sells. I think this Kubota engine I have is a good start.

Anyone know if someone sells plans online for building a unit? I think having a 5 ft. X 5 ft. tub would work out well. My tractor has a 4ft bucket on it, so loading would have a little wiggle room. I just worry about the spinning parts of the blade assembly grenading and coming towards the tractor operator. I also have a spare honda GX 160 engine in the shop that I can use to spin the tub around if necessary to help feed the brush/clippings down to the blades
 
   / Building a mini tub grinder #2  
not real familure with tub grinders, but basically the ones I have seen are a glorified hammer mill,

if I was going to build one I would take a old farm hammer mill, (many a farmer has one setting out in the tree rows) and rebuild it so instead of the tray build the tub on top to feed it, with a course screen,

I guess I see some of them use more of a stationary teeth against a shear bar, (one could consider stump grinder teeth).

~~~~~~~~~~~~~~~~~~~~~~

maybe a wood chipper?
 
   / Building a mini tub grinder #4  
what ever happened with this? Am thinking of doing the same thing..
 

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