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Division 2 tractor rpms

K

Klochner

Member
How does your club check rpms on diesels? The gasses aren't a problem but it seems some of the diesels run wild.
 
Klochner You can use a Stroboscope. Little hard to read the side of the drive sheave. Better if you can see the front. Pricey at least $400 for a good one. Very accurate. Lynn
 
Phototach; Stick a piece of reflective tape on the pulley and it will read out RPM. $40 at Harbor Freight. Less if you have 20% coupon, and get a free tape measure!
 
Our club goes by PTO rpm. And I have yet to see anyone ever check. If they did I would not be surprised to see several violations.
If you use PTO rpm, you can easily check that with a machinists revolution counter.
 
I am new to this site. I have never lived on a farm, but my brother took me up to a show a couple years ago to I believe Eaton Ohio. This one was in a big barn. Most of the tractors ran on gasoline but a few were diesels I think they were green or blue. They seemed to run much faster than my brothers diesel pickup but maybe that was due to not having a muffler. Some of the gas ones sounded faster than the others to. They were red with square noses. I was told these tractors were 50 years old or older so maybe they didn't have speedometers or tachometer. If they didn't have these, how do they tell how fast they were going as I was told they could only go so fast? I would like to go to more of the tractor shows like this one but don't know when they are. I am just a city kid but it was interesting. Thanks.
 
If you can get to nose of crank or pto even I use a shaft tach, has runner nose just put it up against a spinning shaft will tell you speed, used it for years to set fan speed on my 6600 Deere combine cause it didn't have a tach now infuse to set rpm on out tractors, also if that won't work they make a sensor that you put around number one fuel line to injector then hook it up to a multi meter on rpm senses the vibration on the line how I set governor on pumps at work, snap on where I got it but sure there are others cheaper out there
 
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