Posted 3/22/2018 16:42 (#6658423) Subject: What is Power Beyond in tractor hydraulics?
Swaledale, IA
I read a Deere article on power beyond and am not sure I understand it any better now than before I read it. In simple terms what does or can it do vs regular hydraulic operations?
Posted 3/22/2018 16:49 (#6658431 - in reply to #6658423) Subject: RE: What is Power Beyond in tractor hydraulics?
SW Indiana
I installed one on a 4240 years ago. Dad use to run vacuum for a 7200 off a PTO pump. The pump went bad and the power beyond was a much cheaper option than a new pump. It basically adds another set of hydraulic outlets to the tractor without adding more levers or switches in the cab.
Had a pressure hookup, and second or return line just dumps back to the transmission case. It provides a constant flow of oil, I plumbed in a 1/4 turn valve to be able to shut the flow off when needed. Takes a valve rated for high pressure.
Posted 3/22/2018 16:50 (#6658432 - in reply to #6658423) Subject: RE: What is Power Beyond in tractor hydraulics?
Lincoln, North Dakota
Power beyond is hydraulic flow/pressure not flown through the remote valves.
For an example instead of running a loader with the remote valves on a tractor you would hook the supply line of the loader valve to the power beyond port to supply hydraulic pressure/flow leaving your remote valves free for other uses.
Posted 3/22/2018 17:28 (#6658472 - in reply to #6658423) Subject: RE: What is Power Beyond in tractor hydraulics?
East Central Ia
Like others have said it is a none adjustable hydraulic flow. They are typically used to provide hydraulic flow to a planter seed drive for instance. The flow controls for the seed drive are on the planter so you just need to supply pressure from the power beyond.
They typically need to have a load sense line plumbed in so the tractor knows when the pump needs to run.
That or you need to have at least one remote valve operating. I have never been around a load sense setup as on a planter you always have a remote running a vacuum fan or something so the pump is already running.
Posted 3/22/2018 18:13 (#6658539 - in reply to #6658472) Subject: RE: What is Power Beyond in tractor hydraulics?
Elizabethtown,KY
I have run vac on planter tractors that didn't have enough SCV's to do everything needed. Now I run my 2 hydraulic drives on a 16 row 1775NT planter with pb on my 7215R, everything else is run on the 4 remotes.
Posted 3/22/2018 19:07 (#6658635 - in reply to #6658423) Subject: RE: What is Power Beyond in tractor hydraulics?
Woodham, Ontario
Power Beyond provides hydraulic "power" without any type of control. It is assumed you have something connected to it that has it's own control valves. Many aftermarket loader joysticks will connect to the power beyond ports. I had a triple mower that had it's own computer and hydraulic control valve. The mower computer controls the valves and I don't need to use any remotes for it. I also use it for electric over hydraulic steering for silage trailers and a manure tank. They all have 3 axles and steering. The steering system gets oil from the tractor at all times, so there is never any operator error. (forgot to turn on the remote to supply oil.)
Many people (including me) use the power beyond ports for the variable rate drives on corn planters. The VFD valve controls the flow of oil instead of using a remote.
Most of the more advanced systems use a load sense line to tell the tractor to speed up the hydraulic pump when needed.
Posted 3/22/2018 20:18 (#6658822 - in reply to #6658423) Subject: RE: What is Power Beyond in tractor hydraulics?
Swaledale, IA
Thanks that makes perfect sense. Did not realize it was that simple as far as what it was. Now I see why I here about it all the time with the new planter configurations.
Posted 3/22/2018 22:50 (#6659305 - in reply to #6658423) Subject: RE: What is Power Beyond in tractor hydraulics?
Central ND
Do not assume that you can automatically run planter hydraulics with the power beyond if it has a PTO pump. How much hydraulics you can run is going to depend on the tractor's hydraulic pump. Power beyond doesn't increase your flow, only your available sources.