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Old 03-17-2007, 03:44 PM   #1
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Thumbs up Review - 12V Central Penumatic air compressor

Harbor Freight has a Central Pneumatic 12V high volume air compressor (item 93186) pictured below currently on sale for $50 normally priced at $70. Costco has a similar looking pump - I ending up going for the one at HF.

This is a far more effective 12V pump then you typically see at Target or Walmart for inflating pool toys, etc. It connects directly to your battery with spring battery clamps, and the instructions suggest you run your engine while the pump is in use. The provided 31' coiled hose easily reached my tires.

I tested the compressor by letting five pounds out of my truck rear tires and inflating again to 70. At first I found it awkward but soon realized you did not need to press and hold the connector to the valve stem; it is made to screw on to the stem's threads. Inflating from flat would probably take a while and may involve pausing to allow the pump to cool, but at least you won't have to maintain hand pressure on the valve.

For "top-off" the compressor worked great. The hose has a gauge at the connector end so you can easily check progress. The provided adapters can be used with various inflatables or sports balls, but unfortunately nothing fits a Boston valve such as I have on my inflatable kayak.

The pump comes in a blow-mold case and will be a part of my travel equipment.

Why didn't I get the Costco pump? I trust Costco's quality more than HF, but the Costco pump had a shorter hose and the gauge was mounted on the pump, making it hard to see when you are 20' away at your tires. I think at the sale price the HF pump is a better buy and likely easier to use.
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Old 03-17-2007, 04:29 PM   #2
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I've a 310 MoHo with stern air bags, will that compressor get to 100 psi?
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Old 03-17-2007, 05:00 PM   #3
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Quote:
Originally Posted by Mike Leary
I've a 310 MoHo with stern air bags, will that compressor get to 100 psi?
The specs in the manual say:
Max pressure 150PSI
Max Flor Rate 2.54 CFM
Air output 1.35 CFM @ 40 PSI, 1.05 CFM @ 90 PSI
Built-in fuse 30 amp
Power Cord 14 AWG x 10'4" L
Hose Rating 150 PSI working & 600 PSI burst
Weight 11 lbs
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Old 03-17-2007, 05:19 PM   #4
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Quote:
Originally Posted by cammur
Weight 11 lbs
Wow. That thing weighs as much as a M1 Garand. Loaded.

Not a toy.
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Old 03-17-2007, 06:13 PM   #5
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I have one of these. I have found that if I connect it to my MH tires ~95 # and then start the compressor (per the instructions), it blows the 30 amp fuse everytime. If I start it up then screw it on to the valve, it'll air up my tires just fine or my suspension tank to at least 110#.

I can connect it to my Yukon XL or Scion tires before turning it on without problem.
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Old 11-17-2007, 03:15 PM   #6
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Quote:
Originally Posted by markdoane
Wow. That thing weighs as much as a M1 Garand. Loaded.

Not a toy.
More actually, a Garand weighs 9.5 lbs. Even with a clip and a short bayonet it didn't weigh 11 lbs, but I am sure you knew that.

I don't like the excessive, obnoxious noise that most 12v compressors make, at least the ones that I have had.

Now I actually carry both a 12v and a 120v compressor in the truck. That way I can use the quieter 120v when I am parked and on shore power, and the 12v whenever 120v is not available. The 120v has a small tank, and fills the AS's tires faster, and with less noise.
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