Brand | VIAIR |
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Voltage | 12 Volts |
Recommended Uses For Product | Tire Inflation |
Power Source | electric-powered |
Noise Level | 74 dB |
Special Feature | Portable, Heavy Duty, Quick Inflation |
Included Components | Presta Valve Adapter, 3pc Inflation Tips Kit, Deluxe Dual Compartment Carry Bag, 25ft Inside Braided 5-in-1 Inflator/Deflator Air Hose with Inline 100 PSI Gauge, 12v Portable Compressor |
Item Weight | 10.4 Pounds |
Maximum Power | 414 Watts |
Capacity | 2.3 Cubic Feet |
Color | Silver |
Material | Aluminum |
Product Dimensions | 10.87"L x 5.83"W x 7.48"H |
Style | portable |
AC Adapter Current | 30 Amps |
Air Flow Capacity | 2.3 Cubic Feet Per Minute |
Model Name | 400P Portable Compressor |
Hose Length | 25 Feet |
Manufacturer | Viair Corporation |
Item Weight | 10.4 pounds |
Item model number | 400P |
Is Discontinued By Manufacturer | No |
Exterior | Painted |
Manufacturer Part Number | 40043 |
OEM Part Number | 40043 |
Special Features | Portable, Heavy Duty, Quick Inflation |
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VIAIR 400P - 40043 Tire Inflator Portable Offroad Air Compressor for Truck & SUV | 12V On/Off Road Tire Pump Air Compressor Portable Heavy Duty 150 PSI, up to 35" Tires, Alligator Clips
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
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Purchase options and add-ons
Brand | VIAIR |
Voltage | 12 Volts |
Recommended Uses For Product | Tire Inflation |
Power Source | electric-powered |
Noise Level | 74 dB |
About this item
- HIGH PERFORMANCE OFFROAD COMPRESSOR (Model: 40043, 12V, 150 PSI, 35" Tires) - The 400P Portable Truck Air Compressor is 12V heavy-duty electric air compressor for offroad enthusiasts. Its powerful, direct drive gearless motor and maintenance-free operation are perfect for tackling tough terrain. Ultra-compact and storable in its own carrying case, it's an essential tool for any off-road adventure, combining reliability with convenience.
- EXPLORE WITHOUT LIMITS: Trucks, SUVs, Jeeps, Offroad Vehicles, 4x4s, Side-by-Sides, RVs, Motorcycles, Road Bikes & Mountain Bikes. *Instructions: Attach the battery clamps to your vehicle’s battery and start the engine. Connect to a valve stem and turn the unit on. When required, use the included bicycle Presta valve adapter.
- INCLUDED COMPONENTS: 12V mini air compressor tire inflator has a 25 ft 5-in-1 inflator/deflator air hose with inline 100 PSI gauge, 8 ft power cord, deluxe dual-compartment carry bag, 3 inflation tips (3/16" nozzle, 5/16" nozzle, and needle adapter), and Presta Valve Adapter. Features: Aluminum I-Beam sand tray, thermal overload protector, 40-Amp inline fuse holder, press-on tire chuck.
- HIGH CAPACITY SPECS for LARGE TIRES: Powered by 12 volts, this small but mighty electric air compressor with a permanent magnetic motor delivers a maximum working pressure of 150 PSI with a 33% duty cycle @ 100 PSI; Free flow capacity: 2.3 CFM. Maximum Recommended Tire Size: 35". Fills a 35" tire from 15 to 30 PSI in 2 min. 45 sec or less. IP54 rating protects against dust and water spray from any direction. Dimensions: 10.87″L x 5.83″W x 7.48″H; 10.40 lbs.
- DEPENDABLE QUALITY: VIAIR offroad compressors offer you the freedom to explore further and challenge boundaries. For over 25 years, our American owned and operated company has provided top-quality portable air compressors & inflators. Our commitment to durability, continuous testing, and refinement results in long-lasting performance.
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This Item VIAIR 400P - 40043 Tire Inflator Portable Offroad Air Compressor for Truck & SUV | 12V On/Off Road Tire Pump Air Compressor Portable Heavy Duty 150 PSI, up to 35" Tires, Alligator Clips | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $239.95$239.95 | -6% $106.75$106.75 Typical: $114.12 | -6% $159.99$159.99 Typical: $169.99 | -9% $159.90$159.90 List: $174.95 | -14% $232.19$232.19 List: $269.95 | $354.95$354.95 |
Delivery | Get it as soon as Sunday, Mar 24 | Get it Mar 21 - 25 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 |
Customer Ratings | ||||||
Easy to use | 4.5 | — | — | 4.6 | — | 4.7 |
Accuracy | 4.3 | — | — | 4.5 | — | 4.6 |
Sold By | Amazon.com | Trends Auto | keenstone | JACO Superior Products | Amazon.com | Amazon.com |
capacity | 2.3 cubic feet | 50 liters | — | — | 33 inches | — |
power source | electric-powered | Corded Electric | Corded Electric | Corded Electric | 12v Battery (Alligator Clamps or Ring Terminals) | Battery Powered |
air flow capacity | 2.3 cubic feet per minute | — | 200 liters per minute | 3.5 cubic feet per minute | 2.3 cubic feet per minute | 1.8 cubic feet per minute |
voltage | 12 volts | 120 volts | 12 volts | 12 volts of direct current | 12 volts | 12 volts |
maximum power | 414 watts | 2 watts | — | 396 watts | — | 0.2 horsepower |
maximum current | 30 amps | — | — | 33 amps | 20 amps | — |
noise level | 74 decibels | 14.4 decibels | 65 decibels | 72 decibels | 73 decibels | 69 decibels |
hose length | 25 feet | — | 25 feet | 25 feet | 25 feet | — |
model name | 400P Portable Compressor | Air Compressor | YF657 | TrailPro | 30032 | 450P Automatic Portable Compressor Kit |
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From the brand
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The most trusted air compressor brand for 25 years.
VIAIR is a leading manufacturer of high-performance air compressors for mobile pneumatic applications. Founded in 1998, VIAIR offers a complete line of air compressors and air accessories for both the on and off-road markets.
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Does the engine need to be running to operate the compressor?
The compressor needs a constant 13.8 Volts for optimal performance, and that is only possible with the engine running.
What is duty-cycle?
It’s the maximum continuous run time of the compressor, expressed in % of 1 hour.
Is a direct-drive motor better than a gear-drive motor?
Direct-drive motors deliver power straight to the piston rod, it is quiet and reliable. Gear-driven motors have an extra layer of friction, creating a louder system that’s prone to rapid performance decline due to deteriorating gear teeth.
Product Description
Product Description
The VIAIR 400P (40043) - 12 Volt Portable Air Compressor for Truck Tires Enjoy peace of mind everywhere you go. The 400P tire pump for trucks, SUVs, RVs and more is portable and lightweight, with a maximum dimension of 10.87 inches and weight of 10.4 pounds. Store it in your trunk or top box for easy access and never be without air. Electric Truck Tire Pump with Carrying Case Conveniently stored in a durable canvas carrying case with top handle, the 400P portable air compressor for truck tires is ready to use at any moment, whether you're at home, stopped on a busy roadway or out in the middle of nowhere. Compatible with All Vehicles From trucks and SUVs, to motorcycles and side-by-sides, this tire pump with pressure gauge is portable and powerful. Fills a 35" tire from 15 to 30 PSI in 2 min. 45 sec or less, the 400P gets you back on the trail in minutes, no matter what rig you drive. Fast & Easy to Use – No Programming Required Attach the alligator clips to your vehicle's battery terminals, start your engine, connect the air hose to your vehicle's tire, and power on the unit. The 400P relies on a simple On/Off switch. Simply monitor the pressure gauge and fill to your desired pressure. From Road to Trail VIAIR's battery powered air compressor pumps are loved by daily commuters, families, and extreme off-road enthusiasts alike for their powerful, reliable performance in a small package. 12V Battery Clamps for Higher Performance Offroading applications have higher performance demands that cigarette lighter plugs are unable to meet. Enthusiasts prefer direct battery connections for their trucks, Jeeps and 4x4s because it accommodates the increased current draw of larger, more powerful compressors. While VIAIR does offer cigarette lighter models, we recommend compressors with battery clamps for serious for offroad use.
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. .caption { font-family: Verdana, Helvetica neue, Arial, serif; font-size: 10px; font-weight: bold; font-style: italic; } ul.indent { list-style: inside disc; text-indent: -15px; } table.callout { font-family: verdana; font-size: 11px; line-height: 1. 3em; } td.vgoverview { height: 125px; background: #9DC4D8 url(https://images-na.ssl-images-amazon.com/images/G/01/electronics/detail-page/callout-bg.png) repeat-x; border-left: 1px solid #999999; border-right: 1px solid #999999; padding-left: 20px; padding-right: 20px; padding-bottom: 10px; width: 250px; font-family: verdana; font-size: 12px; }
Portable air compression up to 150 PSI suitable for tires up to 35".
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All your portable compression needs are in the bag.
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Heavy duty tray included for vibration control.
View larger. 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
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
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.
From the Manufacturer
40043 Standard Features
- Permanent Magnetic Motor
- Duty Cycle: 33% @ 100 PSI
- Max. Working Pressure: 150 PSI
- Max. Amp Draw: 26 Amps
Product information
Technical Details
Additional Information
ASIN | B000X9AXR8 |
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Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #73,750 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #60 in Portable Air Compressors |
Date First Available | October 10, 2007 |
Warranty & Support
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, size, performance, pump and value of the tools. They mention that its much more heavy-duty, portable and light weight. They appreciate the reliable performance and that it works really fast. They are also satisfied with ease of use, and noise. However, some customers have different opinions on the heat.
AI-generated from the text of customer reviews
Customers like the quality of the air compressor. They mention it's a reliable and efficient companion for any outdoor enthusiast. The 400p itself works fine and is a great handful of air compressor that can fill up 20,000 lbs and 44 feet.
"...It's a reliable and efficient companion for any outdoor enthusiast, providing peace of mind and timely inflation whenever and wherever you need it...." Read more
"...Portable, small footprint, and very well built. Worth it. Don't go offroad without it." Read more
"...travel trailer tire as soon as I received the unit and was pleased with the results. It inflated the tire to 55psi in about 3 minutes...." Read more
"Quiet strong and fast to raise pressure. Worth the price if you need more than the typical 35psi." Read more
Customers like the size of the compressor. They say it's extremely compact, portable, and light weight. Some say the carry bag is a great addition and that it has everything you need. Overall, customers are satisfied with the size and performance of the product.
"...for the 400P. Its compact size and ergonomic handle made it a breeze to carry around, and the included carry bag added an extra layer of convenience...." Read more
"...Portable, small footprint, and very well built. Worth it. Don't go offroad without it." Read more
"...The removable air hose is coiled and compact and easily stretched out from the front of my 38' RV to the rear tires...." Read more
"...This will probably be the last one I ever buy. It is well made, rather heavy compared to the compressors I used before, and has a bag and hose that..." Read more
Customers are satisfied with the performance of the tire inflator. They mention that it works really fast, is reliable, and saves time. It is hard working and durable, and the duty cycle was sufficient to take all 8 tires from 17psi to 35psI without a break.
"...(which makes the air-down job incredibly easy and fast and accurate to whatever you choose for a preset deflation limit)...." Read more
"Quiet strong and fast to raise pressure. Worth the price if you need more than the typical 35psi." Read more
"...Duty cycle was sufficient to take all 8 tires from 17psi to 35psi without a break between. Pressure gauge was within 2 psi of stand-alone gauge...." Read more
"...Worked REALLY fast when we had a tire on our loaded cargo trailer that kep losing pressure." Read more
Customers like the pump. They say it makes airing back up simple and fast, and it airs up all the tires fairly quick. The compressor works great and enables you to air down tires evenly, if desired. It's quiet, has plenty of air, and has a secure connection. Customers also appreciate the built-in air down feature, which is a nice bonus.
"...(which makes the air-down job incredibly easy and fast and accurate to whatever you choose for a preset..." Read more
"Inflates well. Heavy. Just beware of duty cycle. All pumps get hot and need time to cool down" Read more
"Airs up my 37’s quick and with no problem" Read more
"...Purchased the 400P.Night and Day difference. Air up is less than half the time...." Read more
Customers like the value of the tool. They say it's worth the price and a great buy.
"Quiet strong and fast to raise pressure. Worth the price if you need more than the typical 35psi." Read more
"...Filters Disposable Spray Gun Filter , I use the red because they are cheap and last long*****..." Read more
"...Has some weight. This one is a keeper, and cost is decent enough to put 1 in each vehicle." Read more
"Pumps up my LT tires to 85psi in no time. Worth the money." Read more
Customers find the air pump easy to use. They mention that it is convenient, easy to set up, and problem free. The battery clamps are nice and the quick connect is a good surprise. The unit is small, fast, powerful, and well-put together. It effortlessly handles car tires, bike tires, and even inflatables.
"...of reaching a maximum pressure of 150 PSI, the 400P effortlessly handled my car tires, bike tires, and even inflatable water toys...." Read more
"...Overall, very impressed with how small, fast, powerful, and put together the unit is. Has some weight...." Read more
"...Nice battery clamps, nice quick connect- good surprise #1...." Read more
"I live this little thing. It comes in a nice bag and it’s super easy to use...." Read more
Customers are satisfied with the noise level of the tools. They mention that it is surprisingly quiet and delivers a healthy air flow, and that it works fast and super quiet.
"...It is relatively quiet and has good reach for a 20 foot pickup. You don't need to move the unit to reach all four tires...." Read more
"Quiet strong and fast to raise pressure. Worth the price if you need more than the typical 35psi." Read more
"...QUIET! The el-cheapo was louder than the vehicle, running, and I have a chopped exhaust with a shorty...." Read more
"...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...." Read more
Customers are mixed about the heat of the product. Some mention that it inflates much faster and without overheating the casing, while others say that it gets quite hot. The aluminum shrouding is meant to distribute heat, but some customers say that they just leave it out of the case while they drive.
"Inflates well. Heavy. Just beware of duty cycle. All pumps get hot and need time to cool down" Read more
"...It inflated the tire to 55psi in about 3 minutes. The cylinder was warm but not hot to the touch...." Read more
"...It became (predictably) very hot. The heat caused my brand new air line to fail at the compressor end...POP!.Lessons learned:..." Read more
"...The pressure gauge on the air hose wasn't close. The pump does get quite warm but that's clearly disclose, if you follow directions and manage how..." Read more
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Top reviews from the United States
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The first thing that struck me was its sheer power. Capable of reaching a maximum pressure of 150 PSI, the 400P effortlessly handled my car tires, bike tires, and even inflatable water toys. Its fast inflation speed meant I spent less time waiting and more time enjoying my outdoor activities.
Portability is a strong suit for the 400P. Its compact size and ergonomic handle made it a breeze to carry around, and the included carry bag added an extra layer of convenience. Whether I'm on a road trip or a weekend camping adventure, the 400P is always ready to assist.
The built-in pressure gauge is a nifty feature, allowing me to monitor and adjust inflation with precision. The integrated LED work light proved to be incredibly handy during nighttime use, making the whole process smoother and more efficient.
While not whisper-quiet, the 400P's noise level is manageable, making it suitable for various settings without causing a disturbance.
In summary, the VIAIR 400P offers an unbeatable combination of power and convenience. It's a reliable and efficient companion for any outdoor enthusiast, providing peace of mind and timely inflation whenever and wherever you need it. If you're looking for a portable air compressor that delivers on its promises, the VIAIR 400P is the one to get.
First the gauge is next to the tire you inflate so you need to go constantly between the pump and the tire if you want to adjust the pressure with the pump. The best is to inflate with a higher pressure and then deflate to get the desired pressure.
Then the connector to the valve tire is with a 90 degree angle which makes it really hard to connect as it needs to be flush with the tire rim. I ended up making a new hose with a straight connector. It s more compact and a lot easier to connect.
I also added quick disconnect at the pump with a digital gauge equipped with a deflation button so that I can adjust the tire pressure at the pump. I got everything from harbor freight for about $20 and it makes the system prefect. I don't know why they don't do something like this.
Be also aware that this model doesn't automatically stop of you have an overpressure so make sure to only buy open flow fittings or valves. The 400 automatic has a pressure switch that stops the pump, so if you want to use an air pressure gun get the 400 automatic, not this one.
First the gauge is next to the tire you inflate so you need to go constantly between the pump and the tire if you want to adjust the pressure with the pump. The best is to inflate with a higher pressure and then deflate to get the desired pressure.
Then the connector to the valve tire is with a 90 degree angle which makes it really hard to connect as it needs to be flush with the tire rim. I ended up making a new hose with a straight connector. It s more compact and a lot easier to connect.
I also added quick disconnect at the pump with a digital gauge equipped with a deflation button so that I can adjust the tire pressure at the pump. I got everything from harbor freight for about $20 and it makes the system prefect. I don't know why they don't do something like this.
Be also aware that this model doesn't automatically stop of you have an overpressure so make sure to only buy open flow fittings or valves. The 400 automatic has a pressure switch that stops the pump, so if you want to use an air pressure gun get the 400 automatic, not this one.
Top reviews from other countries
Read some reviews complain of the 8' power cord as too short. Easy hack is use your jumper cables as extensions. A decent 16' 4 gauge cable will triple your power reach. Saves moving back and forth to turn pump on/off when filling. Also, buy a spare 40 amp fuse JIC.
Easy to setup operate and quick inflation and deflation of 4x4 tyres.
Long hose and fairly accurate tyre pressure gauge.
Postage quick and hassle free