Cat D3b Mowing Brush with Brown tree Cutter

Chief Jim · Oct 16, 2011

D3B equiped with LINDEX Company 3 Point hitch & Model 300 1,000 rpm PTO we use to clear hillside brush too thick for conventional wheeled tractors and bush hogs. The Brown Mfg series 2000 tree Cutter is massive and will cut up to a 8 inch diameter tree. Slow mowing in low gear with the blade low, catches the stumps hidden in the rough. Even a Brown can be broken!

Anonymous-0 · Oct 16, 2011

Interesting set up but the mower doesn't look heavy enough to cut an 8 inch diameter tree and and a D3B only put's out 65 HP.

Chief Jim · Oct 16, 2011

Look at the Brown Manufacturing website and the Tree Cutter video. The cutting of bigger stuff up to 8 inch is done via backing into the tree. 64 hp is enough to do what I am cutting. The big stumps I find are left and I"ll come back with a Shaver SC50 stump grinder. Works good, we have done hundreds and only have a couple thousand to do as we clear cut another 120 acres.
I think my dozer is 74 hp. Brown says to ALWAYS run the cutter at 1000 rpm. With the powershift tranny I can only do that when I can see there are no stumps or rocks to hit as the ground speed is a bit too fast for my blood. So, I find myself tending the throttle a lot. Some day I do intend to put a Tach on the engine and scope the pto shaft just to be sure what the rpm is doing.

Anonymous-0 · Oct 17, 2011

Here is a machine similar to what I use. I know it's small, but it gets the job done... up to about a 3-4" tree.
ASV Brush cutter

Billy NY · Oct 19, 2011

Power company here uses Asplundh for most of their forestry work on their powerline easements, right of ways etc. This was 7 or 8 years ago, it looks like a skidder or loader chassis, with a very heavy rotary cutter. It's limit is 8" trees, and the operator stated real hard dense ones like apple, they avoid, the hydraulic pump alone is $10,000, I had to have em lift it up and get a shot of underneath. The places they can go with these things, and the heavy brush and small trees they clear is incredible. I watched this in action and when I saw firewood size chunks of wood coming out, I stayed way clear of it.

Chief Jim · Oct 19, 2011

Great picture. The 500 hp Hydro Ax is just awesome!

gmd · Oct 19, 2011

The local rental place rents out 5 and 6 foot rotary mowers for skid loaders. Every once in a while they are worth their weight in gold on properties that haven"t been touched in 20 years. $100 a day rental and I don"t have to replace blades hoses or pumps. It will do soft 4 inch trees but definitely not rated for 8. However the Deere 653G tree saw at work can handle some trees!

Cat D3b Mowing Brush with Brown tree Cutter

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