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MF65 Problem

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Sam

09-06-1998 17:00:50




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I have done a lot of box blade and dirt scoop work with my MF65 in the last 8 months that I have had the tractor. However today was the first day I ever cut my pasture with it. I noticed that when I would hit a very thick patch of grass which was only 2 to 3 feet tall, it would cause the tractor to start dropping rpms from the 1500 to 1800 rpm range that I was running the tractor in down to around 1000 rpms and then as soon as it would clear that thick patch of grass the tractor would return back to its set rpm range. Now I might have thought this was a governor problem but actually with the exception of the real thick areas when the tractor would run into a relatively tall or thick area, it would keep the rpms up so I don't think thats what it is. Heck it may be that I had the bushhog set too low but I would have thought that a 47 HP tractor could go through grass as tall as the tractor with no problems. Also there is no fuel or ignition problem as the tractor starts first crank everytime and runs perfectly. Well any opinions on this would be greatly appreciated. Thanks

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Harry

09-07-1998 06:59:09




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 Re: MF65 Problem in reply to Sam, 09-06-1998 17:00:50  
: I have done a lot of box blade and dirt scoop work with my MF65 in the last 8 months that I have had the tractor. However today was the first day I ever cut my pasture with it. I noticed that when I would hit a very thick patch of grass which was only 2 to 3 feet tall, it would cause the tractor to start dropping rpms from the 1500 to 1800 rpm range that I was running the tractor in down to around 1000 rpms and then as soon as it would clear that thick patch of grass the tractor would return back to its set rpm range. Now I might have thought this was a governor problem but actually with the exception of the real thick areas when the tractor would run into a relatively tall or thick area, it would keep the rpms up so I don't think thats what it is. Heck it may be that I had the bushhog set too low but I would have thought that a 47 HP tractor could go through grass as tall as the tractor with no problems. Also there is no fuel or ignition problem as the tractor starts first crank everytime and runs perfectly. Well any opinions on this would be greatly appreciated. Thanks

It sounds to me like your tractor is running pretty normal. Are your blades really sharp on that bush hog or are they about as sharp as your little finger. That grass down close to the ground is thick and maybe wet, it has nowhere to go so it clogs the bush hog and slows it down, 47 hp or not. How about shear pins, have you gone through any lately?

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Sam

09-07-1998 12:01:00




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 Re: Re: MF65 Problem in reply to Harry, 09-07-1998 06:59:09  
: : I have done a lot of box blade and dirt scoop work with my MF65 in the last 8 months that I have had the tractor. However today was the first day I ever cut my pasture with it. I noticed that when I would hit a very thick patch of grass which was only 2 to 3 feet tall, it would cause the tractor to start dropping rpms from the 1500 to 1800 rpm range that I was running the tractor in down to around 1000 rpms and then as soon as it would clear that thick patch of grass the tractor would return back to its set rpm range. Now I might have thought this was a governor problem but actually with the exception of the real thick areas when the tractor would run into a relatively tall or thick area, it would keep the rpms up so I don't think thats what it is. Heck it may be that I had the bushhog set too low but I would have thought that a 47 HP tractor could go through grass as tall as the tractor with no problems. Also there is no fuel or ignition problem as the tractor starts first crank everytime and runs perfectly. Well any opinions on this would be greatly appreciated. Thanks

: It sounds to me like your tractor is running pretty normal. Are your blades really sharp on that bush hog or are they about as sharp as your little finger. That grass down close to the ground is thick and maybe wet, it has nowhere to go so it clogs the bush hog and slows it down, 47 hp or not. How about shear pins, have you gone through any lately?

I had borrowed the bushhog so I really don't know how sharp the blades were and in that 3 hours of mowing I did not go thru any shear pins. The grass was not wet as we had not had rain in over 2 weeks. It was really weird because of the drought that we have been in. I would encounter a 30 foot stretch of 3 foot tall very thick grass and weeds and then enter an area that had absolutely no grass because of the livestock we had on it, and the bushhog would just spin as there was nothing for it to cut. I guess my concern was in the future we had the normal amount of rain and the entire pasture was very thick I would have had a tough time getting it done or I guess I would just have had to pick the bushhog up a little. And then again if the blades were very dull that might have had something to do with it. Well Ive run on long enough. Thanks for the information.

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