MF 65 brakes

Olliejunkie

Well-known Member
One brake hardly works. The other doesn't seem to work at all. Looks like the axle has to come off. Anyone have any suggestions? I think it's mostly froze up from sitting.
 
Hi, first of all make sure that the linkage and brake arm are free to move. If the actuator is being operated you
will need to remove the axle housing to ascertain where the problem lies. The oil seal/s may have hardened and
allowed oil onto the discs. It is unlikely that the actuator will seize. If the brakes grab the contact points of
the actuator in the housing may be worn or rusted. I have found that cleaning them with a 4" angle grinder and
sanding disc and then applying some copper grease is very effective in making a smoother operation. With the
actuators out remove the internal springs and clean the balls and ramps thoroughly. Look for any 'pockets' on the
ball ramps. This can allow the actuator to remain 'on'. Do not lubricate the balls or ramps. Check that the discs
are free to slide on the shafts and that there is no evidence of an oily film on the disc faces. Even if the
seals appear to be OK it is a good idea to replace them now.
Let us know how you get on.
DavidP, South Wales
 
(quoted from post at 03:05:52 02/18/17) Hi, first of all make sure that the linkage and brake arm are free to move. If the actuator is being operated you
will need to remove the axle housing to ascertain where the problem lies. The oil seal/s may have hardened and
allowed oil onto the discs. It is unlikely that the actuator will seize. If the brakes grab the contact points of
the actuator in the housing may be worn or rusted. I have found that cleaning them with a 4" angle grinder and
sanding disc and then applying some copper grease is very effective in making a smoother operation. With the
actuators out remove the internal springs and clean the balls and ramps thoroughly. Look for any 'pockets' on the
ball ramps. This can allow the actuator to remain 'on'. Do not lubricate the balls or ramps. Check that the discs
are free to slide on the shafts and that there is no evidence of an oily film on the disc faces. Even if the
seals appear to be OK it is a good idea to replace them now.
Let us know how you get on.
DavidP, South Wales
Thank you. It is a friend's tractor. He wants to sell it. I think he will sell it as is when he finds out what is entailed.
 
I've done it twice. Ain't much fun.

The parts aren't bad, but there's a whole lot of labor. If he's planning to sell it the tractor will likely bring more if the brakes are working.

So like most things, it's a trade-off.
 
That's kinda how I feel about it. He is in the tractor for very little and is selling it pretty cheap I think. Probably around 2k. Everything works except the brakes and 2 speed. Tractor needs brakes fixed and needs to be split if one wants 2 speed. I used it to Bale last year and worked good. For someone with the right tools and know how it would be a good tractor. If he paid me to fix it he probably would be able to sell it easier but I don't know that he would make enough to pay for labor.
 
If everything works it is a $2500 tractor. The repairs will be $1000 to $1500 at a shop.
It will be expensive for parts and lots of time to do it yourself.
I saw a MF65 last week with bad brakes... and said....no thanks!
 

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