High output OBA like Oasis (2 Viewers)

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The motors they use appear to be an industrial, continuous duty DC motor, which is probably a large part of the hefty price tag.

That coupler looks interesting, I wish they provided some specifications for it; I am very curious to know the shaft and key size it is made for, and if it has the York taper on the other end. Looking at specifications for Oasis compressors on Grainger it appears they have a working speed of around 1500rpm, which is quite a bit slower than I would have expected. If that is the case, a winch motor from a Ramsey type winch with a keyed shaft and a 2100rpm free running speed might work just fine, and may even fit that coupler.

Another type of motor that might work are the electric motors the low riders use for they're Hydraulic suspensions. The only issue I see with a winch motor is monitoring its can temperature during use just like you do when witching.

 

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Oasis Replacement XD3000 Motor

I haven't found a picture of the pump.

Afaik the pump is just a york with a upgraded cylinder head