Yep. The tractor in question, if it had a pto, would have been 540
rpm@ 80% or so of engine power.
1080 RPM has more splines, and didn't come out until 1960s or so on
high HP (for the time) tractors. ~90+ HP would have been high HP for
the time. 966 and up Internationals had 1000 RPM available. I am not
sure when it was first offered, or what models it was available, or
when it became standard on certain models. Probably first appeared
on JDs with the 4010 or 4020.
I didn't find any info on when the high RPM PTO first appeared, but I
did find that in 1945 Cockshutt introduced the first live PTO.
On Tue, 20 Nov 2012 13:03:17 -0600 Fmiser <fmi...@gmail.com> wrote:
PTO RPM is typically 540, as I recall, so 900 RPM is a bit fast.
There are two standard PTO speeds now, 540 RPM and 1000 RPM.
See
http://salesmanual.deere.com/sales/salesmanual/en_NA/tractors/2010/feature/hitch_drawbar_and_pto/7030lf/7030lf_pto_options.html
Craig
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