What portable air are you using in your rig?

I'm getting a Viar 330c installed as my onboard air for my arb F&R lockers.

I also have the cheap $50 harbor freight portable air pump for a backup. I bought the 2yr warranty for it just in case i burn it out.
 
ARB, need it for my lockers so it was a no brainier. It's remarkably heavy and loud for its size, feels very solid. The relay is another story. Lasted about 2 days of use in the woods. The ARB relay does not like water. Lucky me I always carry a spare relay for my lights. Turns out it's the same relay.
 
I had an old kilby enterprises compressor and a 1 gal tank in one of my jeeps it was enough to run power tools, but you had a limit of about one minute were you had to stop and wait a few secs for the tanks to fill again.
 
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I've got one Viair 400C under my hood and another one in the back of the Jeep with a 2 gallon tank. It works great, airs up tires fast, I haven't tried using it for air tools yet, but I will soon. One of my good Buddy has a dual ARB compressor with a tank. We are going to do a video here pretty soon on how fast they fill the tank and how it goes using air tools.
 
I could be wrong, but it might be hard to find a decent option under $100.00. I spent $130 or so on the Viair 300P, which is rated up to 33" tires... Cheaper options would probably be hard pressed to fill a 35" tire.
 
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I have a Viair 88P which works well for the stock jeep MT tires (32). You can also heat hotdogs or what with it so it's dual-purpose.

I see it's $62 now in amazon.
 
I have a Viair 88P which works well for the stock jeep MT tires (32). You can also heat hotdogs or what with it so it's dual-purpose.

I see it's $62 now in amazon.
Love the hotdog heating feature! My 400p has the same feature. I burned my hand the first few times I used it. Now my wife reminds me every time I use it. All newbies to Viair compressors: use the handle only. DO NOT TOUCH THE METAL!

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Love the hotdog heating feature! My 400p has the same feature. I burned my hand the first few times I used it. Now my wife reminds me every time I use it. All newbies to Viair compressors: use the handle only. DO NOT TOUCH THE METAL!

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I have the 300P, but I'm probably going to pickup the 450P, as that's 100% duty cycle, while the 300/400 are 33%. The 300 has been fine, but I'm ready to go to 100%...


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I have the 300P, but I'm probably going to pickup the 450P, as that's 100% duty cycle, while the 300/400 are 33%. The 300 has been fine, but I'm ready to go to 100%...


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I have yet to need more duty cycle with mine airing up 35s to 50+ psi. It will run for something like 40 minutes straight.

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I have yet to need more duty cycle with mine airing up 35s to 50+ psi. It will run for something like 40 minutes straight.

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Even the 300P is decent for my rig, but it's about more power for me, plus it won't be as hot, but sticking w/ the handles is probably still a good idea.


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Any of you guys mount your compressors underneath between the frame rails? My rig happens to have a lot of space and I was thinking of putting a 100% duty cycle compressor and 2-5 gallon tank down there. Plumb it to QD at the front and rear with a switch in the cab and in the rear compartment and I should be set.