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Old 04-23-2015, 03:58 PM   #1
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On board air for your tow rig.

I did a little searching around and didnt mind much on this subject. I'm just wrapping up the setup in my own tow rig so i thought Id share. Im very concious about how and what I tow with my truck, especially the travel trailer since I have my two precious little ones in the seat right behind me. Even if Im going out on back to back weekends I always check and top off the tire pressures on the truck and trailer. I used to have to pull the trailer up to the front of the house and run 2 lengths of air hose to go down the driveway and reach around the trailer. This has gotten very old and time consuming. Im an avid offroad enthusiast with my Jeep and Ive had on board air for a few years and its been a lifesaver since not only can it inflate my tires back to road pressure but it also can run an impact gun which can make repairs on the trail that much easier. So i thought, why not my tow rig?? I did a little research and ended up going with a Viar 200psi ultra duty system with 2.5 gallon tank. I decided to mount everything in the tool box of the truck to keep it out of the weather. The system is rated to fill a 37 inch tires in a few minutes so it should handle topping off my truck and trailer tires no problem. Plus if i do get a flat i can pull out my impact gun and zip off lugnuts in a few seconds. Not to mention filling the airbags in my truck. Only thing Im not sure of yet is if the system has enough capacity to get an entire wheel off before needing to kick on and top off the tank. I may add another 2.5 gallon tank next to the existing one but we will see.

and a pic of my jeep just because


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Old 04-23-2015, 05:19 PM   #2
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Now all you need is a train horn!

Manny & Larissa
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Old 04-23-2015, 05:56 PM   #3
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Originally Posted by TDI-Minnie View Post
Now all you need is a train horn!
Oh they're coming...next guy to cut me off isnt going to know what hit him.
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Old 05-01-2015, 08:37 AM   #4
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Nice looking set up!
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Old 05-01-2015, 08:55 AM   #5
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Great setup, One thing you didnt mention is the duty cycle rating of the compressor. You did mention the possible adding of a second tank. In my experiments with these systems, I found out the hard way, duty cycle rating directly effects how long you pump will live for you. Two storage tanks are nice, but it will require a longer run time to air the two up compared to the one it came with. If you are planning heavy use, like the air gun for on or off road work, I'd strongly recommend you use a compressor with a 100% duty cycle. I have a system like yours on my PU for maintaining ride height with changing loads. I've already burned out the air compressor on mine. Havent had time to replace it yet, but it will be a 100% duty cycle compressor, with an additional tank this time.
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Old 05-01-2015, 08:21 PM   #6
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^^ Ahh yes I did forget to mention the duty cycle. This is part of the reason i went with the ultra duty system. the duty cycle is 100% at 100psi and 60% at 200psi. It also luckily has a thermal cutoff switch as well.

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