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Old 02-22-2018, 05:50 PM   #1
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Air compressor for the road .....recommending??

Looking for a good / fast 110 volt compressor to take on road to fill tires to 100psi , small in size but don't have to wait 30 min to reach 100 psi


2016 Newmar Canyon Star 3710 , 26,000 lbs chassis Ford V-10
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Old 02-22-2018, 06:19 PM   #2
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After trying to use my Campbell Hausfeld 5 gallon compressor and it couldn't get my tires past 105 lbs then looking around at what was available I ended up with a Viair to be able to get the 115 lbs my fronts needed. I have really tall tires so I went with the model with the unlimited duty cycle. http://amzn.to/2EK5VSV I like that its 12v and can use it anywhere, not just on the Coach where i would usually have 120 volts.
But it is high pressure low volume so its not quick if you need to add 25 or 30 lbs, but normally I only need a few lbs to top things off prior to a trip so I just takes a couple of minutes. I love the screw on fill hose. Set and forget it. -Bill

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Old 02-22-2018, 06:33 PM   #3
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Originally Posted by tvp View Post
Looking for a good / fast 110 volt compressor to take on road to fill tires to 100psi , small in size but don't have to wait 30 min to reach 100 psi

Well Sir, you're asking the impossible. Compressing air is NEVER FAST. And, trying to find a SMALL, 120VAC compressor that can either fill or top off 100 psi is darn near impossible, in a fast time frame. There's a few answers you'll get here on various models, brands and sizes but, none of them will EVER perform like a tire shop compressor. Probably the best move here would be for you to find a friend who carries something like what you're looking for or, maybe find some place that sells them and see what a test run would provide in results. Then you'll see. Good luck.
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Old 02-22-2018, 06:37 PM   #4
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I have a 110v compressor that I bought in 2004 and still use today because it continues to run well and does everything I want. But it's heavy and if I'm on the road I need the generator to run it. If I had to buy one today, I'd choose a good 12v unit. They are plenty capable, lighter and smaller. Why carry the weight.
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Old 02-22-2018, 06:40 PM   #5
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Old 02-22-2018, 07:04 PM   #7
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Porter-Cable #CMB15. 150 psi, 1.5 gl, 120v. 25lbs. $99.95 on Amazon. Pros: Nice sized, easy to get in/out of a basement bay. Cons: It does struggle a bit to reach 115lbs in my DP tires. Not rapid, but adequate. Works, but if I was still looking, I would try something else.
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Old 02-22-2018, 07:20 PM   #8
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VIAIR 400P-RV is what I have. Went with a different gauge. Setup works out perfect. I like that it’s 12 volt powered so I use it for the coach or the toad. Use it on the house batteries or the chassis batteries. Below is the gauge I went with.
Astro 3018 Digital Tire Inflator with Stainless Steel Braided Hose https://www.amazon.com/dp/B002PUTC0M?ref=yo_pop_ma_swf
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Old 02-22-2018, 07:32 PM   #9
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I have a different angle on the subject.

Instead of buying something else I have to carry, maintain, move around and possibly lose why do we not tap into the existing air pressure on our diesel pusher coaches?

I understand you could not run an impact with that volume but I would certainly expect you to be able to top off a low tire as the OP wants to do.
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Old 02-22-2018, 07:37 PM   #10
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I don't own a DP, but the RVgeeks did a video about that very thing explaining that might be problematic depending on the PSI you require and where your on board compressor was on it's cycle. It's the reason they bought the 12v unit shown above.
Mike and Cindy
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Old 02-22-2018, 07:46 PM   #11
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We bought this compressor from Lowes.
Fini 1.2-Gallon Portable Electric Hot Dog Air Compressor

It has a max pressure of 135 psi. It is small but does a good job of filling tires. I also use it for a portable compressor to run nail and staple gun when away fro the house.
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Old 02-22-2018, 08:00 PM   #12
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You can't get enough pressure with the losses in the hoses using the engine air unless you can time it to air just before the compressor cuts out, which I can't do, I bought the following:


It works well and the cords are neatly stored and it fits in a larger tote. The biggest problem is using an accurate pressure gage. Have yours checked against a calibrated source as I had 4 gages that varied 10 psi between them.

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Old 02-22-2018, 08:11 PM   #13
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Tried the on board air, after an hour on one tire I gave up.
Bought three of the small tank compressors over the years, burned all of them up.
Now have a Viair 450 RV and it does what it says. No problems with it plus it's small.
There is also an air pressure doubler. Bob Dickmans Les Schwab tire center in Junction City OR has them.
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Old 02-22-2018, 08:39 PM   #14
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I have been carrying Kobalt 155 psi 3 gallon compressor for 3 years. It fills air fast for my 120 psi tires. Bought it for $99 on sale from Lowes.

Recently the tool pressure valve leaked air. I bought the part from Kobalt for $22 including shipping. Replacing was easy.


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