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SW Ontario | We pull a grain trailer with a tractor. A truck dealer built us a tandem converter dolly with a fifth wheel on it. We put a pressure tank on the hitch of that dolley ( approx. 50 gal steel tank) and charge it up with our shop compressor to about 120 psi. We hook that up to the trailer with a parking brake and a hand valve in the cab. One charge of the pressure tank per day gives us enough air for breaking for a whole day. It's cheap, it works and it is a lot safer than no brakes at all! | |
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