I have a 12v hydraulic power unit similar to this one:The application (what I am trying to accomplish) is to operate this hydraulic beavertail semi trailer: When OI think about using this pump, I become concerned that it is operated by a starter-type 12v motor and is desighed for pick-up truck liftgates or snowplows, that is, very intermittent duty.
This beavertail trailer, while also essentialy intermittent, takes a lot more work per unit of operation (pull beavertail lock, pull extension lock, raise tail, extend extension, lower tail). That would take this little motor a long time and it may overheat and burn out.
Is my concern justified?
I have a few options for powering this trailer. I am basing this on my assumption that all cylinders are double acting, so not a lot of fluid is needed.
The options are:1) Install a truck wet kit. cost: $2,000.
2) Use a 12v hydraulic pump that I already have. Cost: Small $$ for wiring.3) Use a 115v, self contained power unit that I purchased yesterday along with a hydraulic H-press for $195. I would take along a Honda generator that we have to run this pump. Cost: $195, minus whatever $$$ I can get for the press without the hydraulic pump,and the four way manual valve.
This is a 1.5 HP unit with a continuous duty Marathon motor.
The plus of number 3, as I see it, is that the 115v hydraulic power unit there, is not intermittent duty, and could do the job, with less financial risk than plopping down $2,000 on a real wet kit. It would be slower to work the tail cylinders than the wet kit, due to less horsepower, but it is not a big deal. It will, however, cost me extra $5 every time the tail is operated, to pay extra hourly salary tot he operator.