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VIAIR 400P Portable Compressor

Direct Heavy Duty Dual Battery Clamps, The Air Hose Length, More, 150 Psi Maximum Working Pressure, Deluxe Carry Bag Anti Vibration Tray

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BVR Rating 398 reviews


  • Comes with a 25 feet air hose that makes it convenient to use
  • Features 150 PSI maximum working pressure that makes it suitable for heavy-duty tasks
  • Inlcudes deluxe carry bag that makes it portable


  • May take some time to cool after usage

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Analysis of 300+ reviews for VIAIR 400P Portable Compressor


BestViewsReviews analyzed 21,108 reviews for 23 products in the Portable Air Compressors category.


We analyzed a total of 398 reviews for this product out of which, 394 reviews were received in the last 6 months.


The analysis indicates that around 79% reviews were positive while around 17% of reviews had negative sentiment.

BestViewsReviews Ranking and Score for VIAIR 400P Portable Compressor


This product received a total score of 8.33 out of 10, based on review sentiments and user opinions related to 10 features:

  • Battery efficiency
  • Value for money
  • Accuracy
  • Overall performance
  • Build quality
  • Design
  • Customer support
  • Portability
  • Easy to use
  • Easy to read
  • Users of this product said

    I recently purchased the 00032 air down kit and the fitting works well and I am able to swap out the brass one for a new one with the chuck on the end.

    I have just installed an ARB CKMTA12 12V On-Board Twin High Performance Air Compressor in my camper van, and I have to say it is a very good product, especially for a camper van.

    I contacted the manufacturer to see what they thought about the 300P and 400P, they recommended the 300P as minimal and the 400P as one above.

    I was very impressed with how small, fast, powerful, and put together the unit is, and it's decent enough to put 1 in each vehicle.

    The environment they intend this for needs to be reconsidered after it failed. Before it failed, it pumped 35" tires from 20 to 40 psi in less than two and a half minutes.

    Question & Answers


    How long will it take to pump 4 off from 15psi to 60psi?


    It takes about 4 minutes to air up from 30 psi to 65 psi, so 16 minutes for all four tires.


    Can it fill 5th wheel tires with 110 PSI ST235/85R16 (G)?


    The 400P has a max working pressure of 150 psi, and it has an 8ft power cord and 25ft air hose.


    Will this compressor work well on my 33x12.5.15 inch General Grabber offroad tires?


    I use this compressor to air my 33x12.5 off road tires back up, it works well and is quick.


    How will I be able to tell if it will fit?


    Where should I fit?


    Can you get a attachment to turn off the compressor?


    No. You would have to manually control the PSI fills, since we don't make any attachment to shut the compressor off at a desired PSI.

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