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baler pto speed

A

Anonymous-0

Well-known Member
i got a 310 newholland baler running it with a mf-165 diesel i run it a little slower than the 540 pto speed can it do any damage running a baler a little slower
 
Rick, Run the baler by strokes per minute. Find
out in your manual what that is. Do not go by
540 PTO speed. Chuck
 
We run most of our implements substantially slower than the 540 speed. Dad says it'll last longer that way.
 
It will last longer but bale less so what's the advantage.
Like one said run it what ever the Stroke per minute call for in the manual.
Walt
 
The flywheel is on there for a reason, to store energy. Energy is stored at a square of the rpm.
The factory would have saved time and money making that flywheel smaller if they could have. They built it that size because it"s just large enough to store just enough energy at 540 rpm to reduce driveline wear to acceptable levels.
If you are running the pto at 382rpm instead of 540 rpm.1485 engine rpm instead of 2100rpm for example.
Then the pto drive line, over running clutch and gear box is stressed twice as much each plunger stroke. Then it would be at 540 rpm.
Running the bailer at reduced speed saves nothing and adds wear if there is any significant volume of hay passing through it.
The plunger also has half the inertia behind it to cut and compress the bale. Bearing loads on the crank, rod,pin and rollers is increased.
 
BuickandDeere has it right. When I first started over 20 years ago my mentor told me to always run it at 540 it will last longer and perform better. Since then I've come across guys starting out with older equipment trying to nurse it by running it slower, and asking why are they breaking shear bolts or why doesn't it knot? Most equipment will last better if you run it slower but that flywheel is there for a reason.
 
OK, let's do a little lesson in physics. Kinetic energy equals 1/2*m*v^2. Velocity is squared therefore small changes in velocity results in large changes in energy. Flywheels are energy storying entities and are used on a baler to reduce the shock load on the drive train during compression of a slice.

So, knowing that it will take x amount of energy to compress a slice of hay, this energy will need to come from somewhere. If the amount of energy needed to compress the slice is dramatically more than what is stored in the flywheel, a greater percentage of the impact load is passed to the tractor. Reducing the speed of the baler will reduce the available energy by a squared factor.

So, take your pick, run your baler at 540 and let the flywheel do what it is supposed to, or let your tractor take the abuse. Unless the manual says otherwise, run it at 540.
 
I suppose you can listen to theory or you can listen to practical experience/operator's manual; run it at strokes per minute.......as per manual. Never ran anything (square baler) but a 24T; have baled untold tens (maybe hundreds) of thousands of bales with one. Haven't most of us baled with a tractor with a non-working tach? You don't gotta have one..........
 
I don't know. We had a NH268 and ran it at ~half speed for 30 years and never had a problem. Also have a JD24 that we run slower than 540. Now have a NH540 anything slower than 540 and the slip clutch starts smoking. Judging from my own experience it depends on the machine and the load your putting on it.
 
i've always been told that running it under 540 can take out the berings in the arm that runs the plunger (on a JD 24T) also it can take a toll on other things too.
just to be safe i would run it AT 540. i guess i really can't say which because i'm not familer with the baler. but i would say running it AT 540 wouldn't hurt it
DF in WI
 
Rick, The strokes are simply the times the crank
arm goes around or count the plunger strokes. Do
yourself a favor and go by this. Chuck
 
Square balers are one thing that I always run at 540. Funny thing about strokes per minute is that any balers I've ever seen are rated for X strokes per minute AT 540. So, run it at 540.
From experience I can tell you that if I run my Ford 532 at 530 rpm, it misses a lot of knots. If it's run at 550 rpm it misses a lot of knots. Run it at 540 and it will tie pretty well all day long...
540. Keep it there.

Rod
 
Non-working???? My IHC 300 doesn't have one, period. Metal plate where the option was available I guess.

Most always run the NH 270 at about 3/4 throttle, sometimes less in thin windrows. Has worked for 30 years or so, maybe it's wrong tho. :)

--->Paul
 
If you have a tachometer it should have a spot on it that says PTO this will give 540 or 1000 depending on the gearing of the PTO. On most of the ones I have used that it about two thirds of max RPM on engines that will turn up around 2500 you should be around 1500 RPM on older tractors that have very slow RPM its most likely at full speed as the manual says that is where you run the engine for most jobs. The governor is set to this RPM so one doesn't need a Tachometer.
Walt
 
But, but, but.................how do you tell how fast the PTO is turning; surely you're not depending on your experience and 'seat of the pants' feel; really need to put a tach on the thing so you'll know you're turning EXACTLY 540 rpm. :>)
 
As baler rpm drops load on you tractor pto and drive components goes up quite quickly. I believe my JD 336 has info in the manual for running it overspeed at 570 rpm but that may be just my bad memory.
 
I had three balers over the years (Ford 250, AC 303 and NH 273)- all three wanted 60 strokes per minute. Never had a baler tractor with a working tach, so the ritual when I got into the field was to watch my watch until I got it at a stroke per second, then begin the fun.
 
(quoted from post at 18:57:19 06/04/08) But, but, but.................how do you tell how fast the PTO is turning; surely you're not depending on your experience and 'seat of the pants' feel; really need to put a tach on the thing so you'll know you're turning EXACTLY 540 rpm. :>)
Click to expand...

Have baled a bunch of hay with Farmall H & M's.
Never a tach. We just went by the sound of the machine. 8)
 
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