ALL-TOPAir Compressor Kit, 12V Portable Inflator 7.06CFM, Offroad Air Compressor for Truck ,Air Pump for Car Heavy Duty, Max 150PSI for SUV 4x4 Vehicle RV Tire

I like to go offroading which means I air down my tires and need to air them back up. Before buying this compressor I have owned a Harbor Freight branded one, and some generic no name unit, both of which failed within the first 3 trips. I am not a super serious offroader. I go on a trip about once a month. So far this has been the best 12v compressor I have ever owned. I used it 3 times at home before taking it on an offroading trip in Moab, UT with 3 of my buddies. We aired up and down twice and the All Top handled it like a champ. It did get warm around the compressor output, but that's just physics, and it never skipped a beat.The compressor seems to be fairly well built. It is definitely heavier than its competition, but I don't think it is quite the quality of something from ARB, but I have never owned one.The power lead on the compressor is a good length for my use case, which is a slightly lifted midsize SUV. I usually put the compressor on the ground, run the power cable up to my battery, and reach all the tires with the hose. If you had a monster truck I think you would need to leave the compressor in the engine bay or get something to put the compressor on to raise it up. The hose is a good length but the gauge on it is basically useless. Id rather it just have nothing to be honest.The accessory bag includes a few useful goodies. It has a quick disconnect for air up tires, a few nozzles for blowing up balls or inflatable pools, and an adapter that will allow you to hook standard air tools to the non standard quick connect this compressor uses.Generally when I fill up my tires I use the gauge on the hose to guesstimate what pressure the tire is actually at, disconnect the hose, and check it with a second gauge. I guess you could attach one of those tire inflators with the air tool adapter but this method works fine for me.

The following is based on 265/75 R16 BF Goodrich KO2 tires 10 ply rated.I could deflate one tire from 40 psi to 20 psi in 28 seconds with my ARB valve core removing deflation tool. Then, I could reinflate the tire from 20 psi to 40 psi in 1 minute and 36 seconds with this All Top compressor. I see no need for two or four tire inflation systems at this rate and simplicity. I simply do not 4wheel enough to carry that extra bulk. The analog gauge on the All Top matched the analog gauge on the ARB deflator. I also used a traditional tire gauge and it also matched the other two so accuracy seems reliable.The build quality of this pump is high. The heavy duty rubber pressure hose has a high quality feel and is more than enough to reach the most distant tire on my Toyota Tacoma Double Cab Short Bed pickup. The power switch has a built in dust cover. The pump fills the tires so fast, worrying about overheating etc. is unnecessary. Ambient temp was 95 F when filled 2 tires for my test and the pump was warm (this is the normal operation condition) but far from hot. All supplied items in the zippered case weigh 19.4 pounds. It is not light, odd that this is part of the star rating, to me it indicates a robust build and I did not lower its rating for this. This is not a light duty compressor for a commuter car. It would work but would be overkill! The kit came with an adapter to downsize the output connector to a 1/4 inch connector (common for other air tools and hoses) so versatility is included. Also, the end of the pressure hose is a twist on connector for the tire valve but there is another adapter that fits on this and makes it a quick connect/release to the valve stem. The quick release adapter stayed in place without fail and sealed appropriately. The battery terminal clamps are robust and feel like they would last forever. This is my first high quality air compressor and it has impressed me with its quality and speed. I would highly recommend this as it seems like a sweet spot for quality VS price. Hope this was helpful!

This is in reference to the pump with the guage on the line. The pump works well. The electric cables and connectors are min. The problem is the absurd air line and fittings. I guess these fittings are just from another country but they are also backwards, male vs female positions, from normal air hose configuration in the US. I don't know if the person who designed the air line with gauges ever attempted to use this configuration but the guage is at the tire, the on/off switch is at the pump, and you can't take a reading while pumping so you will be running back and fourth alot. Basically the Guage on the line is useless. You can use the air line as they are but just go ahead and get seperate air pressure gauge. Other than the male adapter (should have been female) the quick release fittings are not compatible with our normal hardware store air fittings.You can see from the picture that I modified this with a special fitting to standard fittings you can find in any hardware store. The adaptor was approx $20. This did come with an adapter but yet again it was male and typical air lines are female from the source so you would behave to use a special line or make another adapter. One reason I much preferred this configuration is that if I destroyed the air line I can pick a new one up almost anywhere. I don't know of anywhere you will find a replacement line for the original and nothing near me fits it. One diff for my mod is the female connection holds pressure.When running there is no pressure sensing swtich that turns off the pump so it runs constantly when on and you hear the release valve blow. Not a big deal but much more expensive competition is nicer to use for this reason alone.