Rotary Cutter 6 ft rotary to big?

[pmsmechanic]

Try it and let us know how it works for you. I've often wished I had a wider mower but I don't use mine often enough to justify buying a wider one. If you have a hydrostatic transmission slowing down in the thicker spots shouldn't be an issue.

 

[oosik]

I'm looking at purchasing a brand new rotary cutter this coming spring. About 95% of my cutting will be brush - Buck brush. Maximum stem diameter never exceeds half an inch. I will be getting a 5 foot cutter for my M6040. Easier to navigate, lighter in weight - yet heavy enough to not fold up the first day.

I've considered - Woods, Land Pride, Bush Hog & Rhino. I will be buying a Rhino TW35. I like the new dome design and the heavier tail wheel.

 

[RalphVa]

Hello all. I recently got a great deal (to good to pass) on a 6 ft priefert rmx600 it痴 a 6 ft rotary deck. However the thing is giant, a lot bigger that I though it would be. I have a yanmar 276d with a 27 hp engine and 23 hp to the pto.

The recommended hp for the deck is 40+ no more than 60. It has a 540rpm gearbox and my tractor has both 540 and 1000 pto options. Is my tractor going to be able to handle this thing or should I sell it and downsize?

I run a 6ft snow king blower with no problems... and am generally comfortable pushing my tractor a bit to get the job done.

What are the ramifications if I try to run it and it hurts my tractor... I would imagine I could hurt my gearbox and pto... thoughts?

Thanks in advance!

If you run it in big fields that are mostly flat. Thing to worry about is it snagging on something out to the side and ripping something apart back there. Or being on a slope and its weight back there poses problems.

Yeah, it'll probably run it, but these other considerations are big ones.

 

[Slowpoke Slim]

You have the mower, you have the tractor, try it out. You will probably know right away if it will work out.

My thoughts as well.

 

[oosik]

I would give it a try. Just a word of caution - 729 pounds is a whole lot of weight. And it's swinging way out back of the 3-point arms. Take it real easy - you don't need to be tearing something apart.

 

[Strummer]

I had a 5ft on a 26hp . It kicked the tractors butt .was limited to short grass or cut twice the the deck lifted some . Made the machine run hot to . Just to much load for it to handle.

 

[CobyRupert]

As others have noted:
Weight is the issue, not so much horsepower.
Horsepower is a measure of how fast you can mow.
With a 6 footer, if you mow at 5/6’th the speed you would with a 5 footer mower, it takes the same horsepower. With a hydro transmission, it’s easy to mow at optimum speed for available horsepower.
Mowing grass takes more horsepower than brush.
The shear pin is probably sized to protect the mower gear box from a large tractor, not the driveline of a small tractor, but I’ve never heard of this being a problem.

 

[Beaver Cove Deere]

I had a 5 foot on a JD750 years ago. If it had double deep reduction I would have used it. It was painfully slow but that's what we had.

A 6 footer is not going to be very happy IMHO

 

[RSKY]

I have a five foot on a 22-hp. My little tractor is SLOW in low range and I have no problem. One thing you need to do is put is smaller sheer bolts or you will tear something up. When mowing on a rough field wider and slower is usually better than narrower and faster.

RSKY

 

[rangerfredbob]

I have a FM60 (5') from King Kutter I think that I got cheap and my 26 engine hp tractor, I conveniently have a 4 speed PTO so don't run at full rpm most of the time, just run 1800rpm... Anywho the mower is as much as that thing will do. I conveniently have a brush hog and a RFM that are both as wide as the tractor so early in the season I'll go with the brush hog then switch to the finish mower to keep up in general. My RFM is belt drive so no need for shear bolts, I've broken two belts as it is so it isn't really a HP issue but more blade tip speed would help clean it out... but I don't think I have the HP for that so I just slow down... Mine doesn't clear out very well though being a side discharge so it takes more power to keep things moving.

That said, give it a shot, If yours is built similar to mine I don't know if I would want to use it over rough stuff, to have any kind of reasonable coverage it has to live on it's 4 casters, it's floppy lifted up...