Then you have to ask about independent pto too. ;)
The first tractors had the shaft from the engine, the clutch, and then everything happening in the rear end - transmission, pto, and hydraulic pump.
So when you push in the clutch, -everything- stops running behind the engine.
They realized that wasn't so good, so they came up with other ways to power the hydraulic pump, closer to the engine not after the clutch. So now the hydraulics are live - always work when the engine is running.
Then they figured out to run 2 shafts, and 2 clutches, that release at different times for the transmission and pto. So when you push the clutch 1/2 way in the transmission clutch releases, but the pto clutch keeps spinning. So you have live pto. If you push the clutch all the way then both clutches release, and both the transmission and the pto stop. This is a live pto.
Then they figured well that is still interconnected a bit. So they came up with independent pto. This has the typical clutch for the transmission, and a totally seperate clutch, usually hand operated, for the pto all by itself. So you can shift either or both the transmission and the pto at any time and not affect the other at all.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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