RDH

Member
I have a 45 DI Tafe tractor and just purchased a 7 foot blower for the rear tried it the other day in about 6 inches of snow it plugged up a few times until I increased the rpm. I am new to the PTO equipment and wondering about what my rpm should be when blowing snow it certainly worked better as I increased the rpm but I usually baby my tractor and wasn't sure what to set the RPM at
 
Not familiar with that tractor,but it needs to be run at rated PTO speed. 540 or 1000 RPM,whichever the blower is rated. On a lot of tractors,that means the engine has to run wide open.
 
its a 47 HP very much the same as a Massey 145 I believe not sure if its a 540 or 1000 the blower I was told is an international 4 blade fan. I guess my question is if I run my RPM up to 1500-2000 it wont hurt it any?
 
The Tafe 45 made in India is pretty much a MF245 with a 3 cylinder 152 cubic inch engine (a copy of the Perkins ad3.152 diesel). The engine should be around 1600 - 1800 rpms to run 540 pto.
 
At 47 horse,it's 540. Do you have a manual or does it have a working tachometer? There should be a line on the tach that says something to the effect of being PTO speed. Will it hurt to run it 1500 to 2000? No,it's made to run that fast. Most likely supposed to run full throttle at rated PTO speed.
 
As Randy said, you need to run it at whatever your RPM is to achieve 540 RPM. If your tractor has a tachometer it may say on it or have a marking indicating 540 rpm. Its usually close to wide open speed. If you don't run it fast enough it will plug up especially in wet heavy snow. This is assuming you are talking about a 3 point or front mounted blower on a full size tractor. Although you still need to run any snow blower I've ever operated close to wide open to keep it from plugging.
 
Most 540rpm PTO driven equipment is made to be run at almost wide open throttle, if it has a tach it should have 540 pto marked on it. Snowblowers work best running fast!
 
Tractors are designed to run at full governed speed so there's nothing to worry about - your tractor will be just as happy running wide open as it is running at a lesser engine speed. It's good to let it warm up for a while at low idle but once it's up to temperature you won't cause any additional wear and tear running at full speed.
 
the only marking on the tack is it has a picture of what looks like an hourglass and then reads "at 1500 RPM"
 
I think that probably means it rolls over an hour in the meter for every hour it runs at 1500.
 
I thought the same thing so there is no mark on the tack to show the right RPM I will try the 1600 spot that should work

thanks
 

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