Looking for a pto unit with both front and rear output

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deanc5
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Looking for a pto unit with both front and rear output

#1 Post by deanc5 » Thu Jan 04, 2018 9:22 pm

Hi, I have a Koenig pto winch on my 70 series 2a. My pto unit is front output only. I now want to run a rear accessory as well and am looking for a dual output pto. With or without drive shafts is fine.
Thanks

mepham55
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Re: Looking for a pto unit with both front and rear output

#2 Post by mepham55 » Thu Jan 04, 2018 11:07 pm

As far as I know, there is no such thing as a dual output pto unit for Landrovers. Your only option is to fit a different winch and use the pto for rear output. It’s the same if you want to fit an overdrive, it uses the pto mounting area so you have to fit either an electric winch or crank driven winch to have both in your truck (this is what I’ve done)

Matt

John
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Re: Looking for a pto unit with both front and rear output

#3 Post by John » Fri Jan 05, 2018 8:00 am

There is/was a bottom mount PTO available. There are some photos here of a bottom and rear mounted together. http://photobucket.com/gallery/user/rov ... anBn/?ref=

The PTO unit typically used to drive the Koenig is different again so you'd have to research if it can be mounted simultaniously with the bottom fitted unit or wait for a more educated response.

deanc5
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Re: Looking for a pto unit with both front and rear output

#4 Post by deanc5 » Fri Jan 05, 2018 10:26 am

mepham55 wrote:As far as I know, there is no such thing as a dual output pto unit for Landrovers. Your only option is to fit a different winch and use the pto for rear output. It’s the same if you want to fit an overdrive, it uses the pto mounting area so you have to fit either an electric winch or crank driven winch to have both in your truck (this is what I’ve done)

Matt
Yeah, I know the Koenig model 40,50,48, and 58 twin stick ptos are extremely rare, and after doing more research, I can only find them for jeep applications.

Anyway, I am checking out other alternatives.
Thanks

camo388
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Re: Looking for a pto unit with both front and rear output

#5 Post by camo388 » Fri Jan 05, 2018 9:23 pm

How about a PTO driven hydraulic pump and have hose outlets front and rear? I don't know enough about hydraulics or what it is you want to drive to know if this system is powerful enough for your needs. Could also easily end up getting more expensive than electric winch and rear output PTO.

deanc5
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Re: Looking for a pto unit with both front and rear output

#6 Post by deanc5 » Fri Jan 05, 2018 11:28 pm

I like the Koenig winch so it's going to stay. Yes hydraulics would work. I'm thinking about running a generator 6 to 10kw.

One way that I just learned about is to run the generator with a hydraulic motor and run a pump right off the front of the crank. Red Winches makes a toothed crank pulley that bolts to a 200tdi. I believe it should also fit my na2.5 with the correct damper.
http://www.red-winches.com/products/200 ... pulley/59/
t_59-2.jpg
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camo388
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Re: Looking for a pto unit with both front and rear output

#7 Post by camo388 » Sat Jan 06, 2018 1:49 pm

Well if you have a military 2.5 NA then you have the mounting pad where the 24 alternator would be if the truck was FFR. The 12 volt alternator is on the left side of the engine and you should have a twin groove pulley so that both alternators are run at the same time. At least this is the set up on my ex-military 110, 2.5 NA, where the truck is 12 volt and an additional 24 volt alternator in place with separate wiring just for radio batteries in the tub. This practice of separate 12 and 24 volt would make it easier and quicker to convert any truck to or from FFR. My Lightweight was FFR and at that time, the whole truck, all lights, heater fan, wiper motors etc., was 24 volt.

camo388
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Re: Looking for a pto unit with both front and rear output

#8 Post by camo388 » Sat Jan 06, 2018 2:01 pm

[quote="John"]There is/was a bottom mount PTO available.

The last bottom mount PTO I saw for sale was at PA Blanchard, UK, asking price was 1,000 POUNDS and this was a few years ago.
In theory if there is a bottom mount hydraulic pump then the transmission could still have rear drive PTO.

deanc5
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Re: Looking for a pto unit with both front and rear output

#9 Post by deanc5 » Sat Jan 06, 2018 7:01 pm

camo388 wrote:Well if you have a military 2.5 NA then you have the mounting pad where the 24 alternator would be if the truck was FFR. The 12 volt alternator is on the left side of the engine and you should have a twin groove pulley so that both alternators are run at the same time. At least this is the set up on my ex-military 110, 2.5 NA, where the truck is 12 volt and an additional 24 volt alternator in place with separate wiring just for radio batteries in the tub. This practice of separate 12 and 24 volt would make it easier and quicker to convert any truck to or from FFR. My Lightweight was FFR and at that time, the whole truck, all lights, heater fan, wiper motors etc., was 24 volt.
I picked up a NA/2.5 for rebuilding that Im planning to stick it in my '70 2a. Unfortunately, it wasn't from a ffr model so it doesn't have the mounting holes drilled for the 24V generator. I believe that with little care I could drill and tap them out if needed.
January 06, 201805726.jpg
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But the loads I intend to run are 220V ac so I need a much bigger power source. Anyway, I think I have a plan that won't cost a fortune using a hydraulic drive. And it may come in handy for other things later on.
Thanks for all the help.

Coincidently I do have a couple of exmod 24V alternators that I picked up from a friend.
January 06, 201805728.jpg
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red90
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Re: Looking for a pto unit with both front and rear output

#10 Post by red90 » Sat Jan 06, 2018 8:08 pm

6 to 10 kW is a big load to get from an engine or PTO drive. You would also need an automatic governed throttle control. It would be a complex system requiring careful and knowledgeable design.

red90
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Re: Looking for a pto unit with both front and rear output

#11 Post by red90 » Mon Jan 15, 2018 1:18 pm


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