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Ford Tractors Discussion Forum
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Please explain Dual Power

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awhtx

03-02-2006 06:03:05




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I own an 861 so I don't have dual power but I see it mentioned quite a bit when talking about thousand series tractors. What is it and what does it do?




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JHEnt

03-02-2006 16:43:42




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 Re: Please explain Dual Power in reply to awhtx, 03-02-2006 06:03:05  
The Dual Power is a two speed powershift unit that mounts at the front of an 8 speed transmission giving you direct drive and an underdrive speed for every gear. The direct drive is a straight thru clutch pack. The underdrive clutch engages a planetary gear reducer.
The main point is it gives you more groundspeed options and can be shifted on the go without using the manual clutch pedal.
I'm not sure if you would need an entire transmssion or not. The DP unit requires changing the trans input shaft. I'm thinking that you don't, you just need to have a tractor with a new enough model tractor to have a pump with the DP supply port in it and add the radiator with the cooler in it. I could be wrong though.

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Fordfarmer

03-02-2006 07:37:21




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 Re: Please explain Dual Power in reply to awhtx, 03-02-2006 06:03:05  
Dual Power came out (I think) about '69 or '70, as an option with the 8-speed trans. To add it to a tractor that wasn't factory-equipped with it, you'd need the whole transmission plus the oil cooler and lines. It could be bolted into any 4 or 6 cylinder Ford, '65 or newer, except the 6000. It won't fit the '62-'64 thousand series. With enough work, it might fit a 3-cylinder model. It works as a hydraulicly-shifted under-drive/ direct drive, much like a TA on a Farmall. (except Dual Powers hardly ever go out.)

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souNdguy

03-02-2006 06:21:54




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 Re: Please explain Dual Power in reply to awhtx, 03-02-2006 06:03:05  
Think ta.. extra range.. etc..

Soundguy



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