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VIAIR 400P Portable Compressor

by Viair
| 6 answered questions

List Price: $199.95
Price: $187.34 & FREE Shipping. Details
You Save: $12.61 (6%)
Only 16 left in stock (more on the way).
Ships from and sold by Amazon.com.
  • Fast portable compressor puts out a massive 2.54 CFM, for use with tires up to 35 inch
  • Quick connect inflation hose with inline 5-in-1 pressure gauge for inflation, deflation and incremental adjustments
  • 150 PSI maximum working pressure and 33% duty cycle
  • Direct heavy-duty dual battery clamps with 40-amp inline fuse
  • Includes deluxe carry bag anti-vibration tray and more
See more product details
23 new from $185.93

Frequently Bought Together

VIAIR 400P Portable Compressor + ARB 10000010 Orange Speedy Seal Tire Repair Kit + ARB ARB505 E-Z Deflator
Price for all three: $270.64

Buy the selected items together


Product Information

Technical Details
BrandViair
Item Weight13.9 pounds
Product Dimensions10 x 6 x 3 inches
Item model number40043
Exterior Smooth
Manufacturer Part Number40043
  
Technical Specification
Additional Information
ASINB000X9AXR8
Best Sellers Rank #5,085 in Automotive (See top 100)
Shipping Weight15 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableSeptember 14, 2004
  
Warranty & Support
Warranty, Parts: Parts
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Product Description

Amazon.com

VIAIR's 400P is a larger portable compressor kit that is capable of inflating up to 35-inch tires from 0 to 30 PSI in less than 5 minutes, with a maximum working pressure of 150 PSI and a maximum duty cycle of 33%. The unit features a low power draw, provided by any available 12-volt battery. Used and approved of by off road enthusiasts worldwide, the 400P can save you when you're miles from home. Accessories supplied in this compression system include a zippered soft carry case, inflation tips, a 5-in-1 inflator/deflator open ended air hose with 100 PSI gauge, dual heavy duty direct battery clamps and more.

VIAIR logo
VIAIR 400P Portable Compressor in packaging
Portable air compression up to 150 PSI suitable for tires up to 35".
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VIAIR 400P Portable Compressor with included accessories
All your portable compression needs are in the bag.
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VIAIR 400P Portable Compressor with included vibration resistent tray
Heavy duty tray included for vibration control.
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Portable Compression Stowed for the Road
The VIAIR 400P Portable Compressor offers inflation of up to 35-inch tires at a rapid rate, and operation at up to 150 PSI for up to 15 continuous minutes at a time, providing that there are 30 minutes provided afterwards for the unit to cool sufficiently. The unit is powered by an easy to establish temporary connection to a 12-volt battery power source via included alligator clamps. The 400P comes with an open-ended tire inflation hose with included 100 PSI air pressure gauge that offers the following functions: air up, air up intermittently, air down, air down intermittently and check tire pressure. To check tire pressure, simply turn off the portable compressor to halt inflation and check the pressure on the air pressure gauge. Additional parts provided include an inline fuse holder, a 8' power cable, a heavy duty sand tray with vibration isolators and deluxe carry bag.

400P Air Compressor Specifications

  • Motor voltage - 12 volt
  • Motor type - Permanent magnetic
  • Max. duty cycle: 33% @ 100 PSI
  • Max. working pressure - 150 PSI
  • Max. Amp draw - 30 Amps
  • Max. ambient temperature - 158°F
  • Min. ambient temperature - -40°F
  • CFM @ 0 PSI - 2.54
  • Inline pressure gauge - 100 PSI
  • Dimensions - 11.25"L x 4.00"W x 7.00"H
  • Net weight - 8.50 lbs
About Compressor Duty Cycle
Compressor duty cycle refers to amount of time a compressor can be operated in a given time period, at 100 PSI and at a standard ambient temperature of 72°F. Duty Cycle is commonly expressed in percentile as: compressor on time (compressor on time + off time) %. As an example, a compressor that is rated for 25% duty cycle means that compressor can be operated at: 100 PSI @ 72°F for 10 minutes on and 30 minutes off. 10 min. on / (10 min. on + 30 Min. off) = 10 min. / 40 Min = 25% duty cycle.

Fill Rates:

 
31" x 10.5"
33" x 12.5"
35" x 12.5"
0 - 30 PSI
2 min. 28 sec.
4 min 00 sec.
4 min. 50 sec.
15 - 30 PSI
1 min. 25 sec.
2 min 00 sec.
2 min. 20 sec.

What's in the Box
  • 1-VIAIR 400P portable air compressor
  • 1-Deluxe zippered carry bag with storage compartments
  • 1-25', 5-in-1 inflator/deflator open ended air hose with 120 PSI gauge
  • 1-Heavy duty sand tray with vibration isolators
  • 1-Set of dual heavy duty direct battery clamps
  • 1-8' power cable
  • 1-3 piece inflation tips kit
  • 1-Inline fuse holder
  • 1-Owner's manual
1-Year Limited Warranty
VIAIR Corporation warrants this product, when properly installed and under normal conditions of use, to be free from defects in workmanship and materials for a period of one (1) year from its original date of purchase. This warranty covers product defects only. It does not cover incidental or consequential damages as a result of misuse or abuse.

About VIAIR Corporation
VIAIR offers the most complete line of air compressors and air accessories for both the on-and off-road markets available anywhere. VIAIR products are used in the OEM segment, 4x4 and Sport Air Suspension and have become the industry standard for both 12- and 24-volt automotive applications worldwide. Their compressors are currently being used in every corner of the globe, in the harshest climates imaginable and the company is recognized by its customers and peers alike as the leading manufacturer of high performance air compressors for mobile pneumatic applications.

Product Description

Viair 400P Portable Compressor is a larger portable compressor kit that can inflate up to a 35 inch tire from 0 to 30 PSI in less than 5 minutes by simply attaching its supplied heavy duty battery clamp power leads to the battery, attaching the lever style air chuck to a tire valve stem and turning the unit on. Air pressure can be monitored using the 5-in-1 inline inflator/deflator hose and gauge included. Always turn off the unit to take an accurate pressure reading since air flow into the tire will show an inaccurate pressure reading while the compressor is running. Used and approved of by off road enthusiasts worldwide.


Customer Questions & Answers

Customer Reviews

4.6 out of 5 stars
5 star
31
4 star
5
3 star
4
2 star
0
1 star
1
See all 41 customer reviews
The Viair is very quiet and fast.
Amazon Customer
This is an awesome addition to keep in the back of the Jeep without having onboard air, and fills 35" tires from 15 to 30 psi in about a minute each.
EliseDiCarlo
Would recommend for those camping or driving in the san.
Frank McKeen

Most Helpful Customer Reviews

27 of 27 people found the following review helpful By L. Martz on January 29, 2010
I've had a 400P since around 2004 (could be longer). Its so old that the air filter isn't located in the same place as the newer ones. I use this compressor to service our car tires and those on my motorcycles. After six plus years, the 400P still works like a champ and pumps just as fast as it did when it was new. It has never done anything other than fill up anything I've hooked it up to - quickly.
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14 of 14 people found the following review helpful By Andrew Thorman on January 10, 2011
Update as of 7/2014: this little compressor is still going strong after over 3 years of airing up tires for off roading. I haven't had any problems or issues at all and I would buy it again without thinking twice about it.

picked this compressor up for $179 + tax and it works great. i was able to air up 5 33" tires from 30 psi to 40 psi in under 2 minutes each, then was able to immediately air up my wife's SUV tires without any problems with heat. I have used the Viair 440P before but the extra $120 dollars was too much for me. The carrying case and extra filters that are included are nice touches. would recommend to anyone that airs down for off roading or for use around the house with pool floats etc.
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12 of 13 people found the following review helpful By Stuart Langrehr on October 9, 2009
Verified Purchase
Fantastic air compressor. Quiet, fast and complete with carry bag, air hose and tire gauge. Highly recommended.
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7 of 7 people found the following review helpful By Lee on October 7, 2011
Verified Purchase
Used this thing several times already and I love it. I have 33" tires at the moment and go from 17psi to 35psi on all 4 tires in like 10-15min (rough guestimate as I was taking my time between tires). Faster than some gas stations I've been to. Unit did get warm/hot but has never overheated. Last fill was in 100 degree desert heat.
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5 of 5 people found the following review helpful By Firemanshort on September 19, 2012
Verified Purchase
I bought this and got it on my door step in one day - very nice, Amazon Prime.

I took it outside and topped the air up in my tires (235/85R16). It only took about 30 seconds to add 4psi to each tire (36psi to 40psi). Tiny job, I know - but I wanted to play with my new toy. I imagine that the pump will perform as described when dealing with larger fill jobs.

The pump got a little hot during my first little job. It never got REAL hot, though. I know that heat is a killer for these electric pumps - so I am going to keep a careful eye on it.

I was really impressed with the carry bag. Most kits come with a bag that can never be re-packed once you open it for the first time. This bag is roomy and has tons of extra space for you to pile in additional air fittings or small tools. The bag looks to be constrcuted OK - about the same quality as your average kids school backpack.

The tire valve fitting is a bit awkward. Unless you have long tire stems, the valve assembly lies very close to the wheel/tire making it a little clumsy to get on and off. The 4 way valve is a bit of a mess, too. For me, it is a complicated feature I will likely never use to its full design. I will either fill the tire - or bleed a little air off. This is why if got 4 stars and not 5. I see myself buying a better and easier to use valve in the future.

Lastly - I was amazed at how quiet the pump was. That is to say it did not deafen you with a horrible roar that my 110volt household compressor has. You could probably talk to you buddy in a normal voice while you stand a watch the tire fill.

I will give this thing a major work out this fall with the cooler weather and off roading season picking up.
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4 of 4 people found the following review helpful By ed k on July 17, 2013
Verified Purchase
I have been using this compressor for a couple of months and it works well.
This past saturday it was 105 in the shade when I had to air up my 4 35" tires from
15 psi to 30 psi. Only takes 2-3 minutes per tire, didn't wimper in the heat at all.
It is a good product
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4 of 4 people found the following review helpful By CGarber on February 3, 2013
Verified Purchase
The quality and stength of the 400p is ideal for my use. The compressor is able to inflate tires to 80 psi VERY quickly. The power cord and air hose could be a bit longer.
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4 of 5 people found the following review helpful By Austin on January 2, 2013
Verified Purchase
I took my jeep to the Rocky Mountains this past summer and knew i would i need a source of air. After doing some research i decided to purchase this, I am glad i did. WIth constant airing down and up on some of the harder trails the VIAIR 400p never gave up. I would highly recommend this air compressor to anyone looking at it.
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Most Recent Customer Reviews