How big of a CUT to run a Woods BB720

[656]

How big of a CUT to run a Woods BB720

I Have a BB720 and currently run it with a 60 pto hp farm tractor. I plan to suplement the operation with a CUT , possibly a NH or JD. How large of a CUT should I look for to run the 720. For big jobs I will still use the Int. 656 farm tractor. Any input would be appreciated!!!

 

[jeffinsgf]

Re: How big of a CUT to run a Woods BB720

I have just put in some serious seat time with both a box blade and a brush cutter. In both, my personal opinion is that regardless of HP, I want the width of my implement to be roughly equal to the width of my tractor track. Case in point -- I was clearing some brush in the wooded section of my property. I can't tell you how many times I just cleared a tree with my rear wheel. If I had been pulling a cutter wider than the tractor, I would have been in serious trouble in about 5 fast seconds.

As for a box blade, I was just working up around my house with a 60 inch blade behind a tractor with a 59 inch track. I wouldn't have it any other way. You can keep close track of the blade position, until you make a sharp turn close to expensive chunks of property. I wouldn't want that implement sticking 6 inches wider -- it would be costly.

Look at the large frame 4xx0 series if you want to use your 6 foot blade on both your large tractor and your future CUT. You'll be more satisfied with the match between the tractor and implement.

 

[Bowhunter]

Re: How big of a CUT to run a Woods BB720

According the the Woods website, the Brush Bull 720 needs at least 35 hp.

 

[Dk45_Jeff]

Re: How big of a CUT to run a Woods BB720

I have a BB720 that I pull with my DK45, with a PTO rating of 38 HP. Starting the cutter causes the engine to load down heavily for a few seconds, but once at speed the tractor has no problems. I engage the PTO at low engine RPM (1300 to 1400) to minimize stress which means my engine is running below the peak (~1850) of its torque curve. If you're willing to expose the tractor to the stresses of starting the cutter at full PTO speed a 40 HP tractor could power the cutter, but I really think a 45 HP is about the minimum as far as power goes.

The other issue is the weight sticking off the back end, over 1200 pounds with the chain guards. The DK45 weighs about 6000 pounds with the loader and filled rears, and about 5000 without the loader. When resting on the tail wheel the tractor has no control issues with the cutter, even traveling across slope and the loader off. But even with the loader on the front end gets light if the cutter is raised for transport. I can't really say what the minimum weight for pulling the cutter with the tail wheel on the ground, but my gut reaction would be a tractor over 4000 pounds field weight. If you plan on transporting it raised I would look for something at least 3.5 tons.

 

[656]

Re: How big of a CUT to run a Woods BB720

Thanks guys I appreciate all the input. Like I said I plan to do all my big jobs with the larger tractor and maybe some of the smaller jobs with the smaller one. I have been looking at the NH tc 45. I like the horsepower of the tc 48 or 55 but I like te mid mount pto on the 40 or 45. I plan to run a front mount snow blower too!!! The John Drree's are nice but a bit more pricy and thelarge ones dont have a set up for a front mount blower??