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VIAIR 400P - 40043 Portable Compressor Kit. Tire Pump, Truck/SUV Tire Inflator, For Up to 35 Inch Tires

VIAIR 400P - 40043 Portable Compressor Kit. Tire Pump, Truck/SUV Tire Inflator, For Up to 35 Inch Tires

Q: how long will it take to pump 4 off 265/75/16 from 15psi to 60psi

My tires are 285/75R16 and it takes about 4 minutes to air up from 30 psi to 65 psi (each tire). So, about 16 minutes for all four. The run time is 20 minutes per hour, so no cool down is necessary with the 400P model.

Q: Can it fill 5th wheel tires to 110 PSI ST235/85R16 (G)

The specifications on the manufactures website says the max working pressure of the 400P is 150 psi. Please note the 400P has an 8ft power cord and 25ft air hose. Depending were you will receive power from, you might want to consider also purchasing the 30ft extension hose. Viair part number 00030.

Q: I have 33x12.5.15 inch General Grabber offroad tires, will this compressor work well?

I also have 33x12.5 off road tires that I air down on the trail and use this compressor to air them back up. It works well and it is quick.

Q: The 400p says both 2.3cfm and 2.54cfm while the 300p says both 2.3cfm and 2.4cfm. what is the advantage of the 400p over the 300p, if any?

400P Specifications - 12-Volt / 24-Volt- Permanent Magnetic Motor- Duty Cycle: 33% @ 100 PSI- Max. Working Pressure: 150 PSI- Max. 12V Amp Draw: 30 Amps300 P Specifications 12-Volt- Permanent Magnetic Motor- Duty Cycle: 33% @ 100 PSI- Max. Working Pressure: 150 PSI- Max. Amp Draw: 30 AmpsBasically 400P fills faster than 300P.

Product ID: 82652268

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Details

Brand
VIAIR
Voltage
12 Volts
Recommended Uses For Product
Tire Inflation
Power Source
Noise Level
74 Decibels

⚡12V direct battery power

💨2.3 CFM airflow capacity

⏱️Inflates 35" tires in under 5 min

Frequently Bought Together

VIAIR 400P - 40043 Portable Compressor Kit. Tire Pump, Truck/SUV Tire Inflator, For Up to 35 Inch Tires

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JACO RapidFlow Tire Deflator with Gauge (0-60 PSI) | Rapid 4x4 Off Road Air Down Kit

Description

🚙 Inflate Like a Pro, Anywhere Adventure Calls!

RAPID TIRE RESCUE - Inflates large 35" off-road tires from 15 to 30 PSI in just 2 minutes 45 seconds—get back on the trail fast.
BUILT FOR THE RUGGED - Durable aluminum housing with IP54 dust and water resistance keeps you rolling through harsh conditions.
POWER MEETS PORTABILITY - Compact 10.87" x 5.83" x 7.48" design fits easily in your trunk or gear bag for on-the-go inflation.
RELIABLE OFF ROAD POWER - Heavy-duty 12V permanent magnetic motor delivers up to 150 PSI with a 33% duty cycle—trusted by off-road pros worldwide.
ALL IN ONE INFLATION KIT - Includes 25 ft 5-in-1 hose with 100 PSI gauge, 3 inflation tips, Presta adapter, and deluxe carry case for ultimate convenience.

The VIAIR 400P Portable Compressor Kit is a rugged, high-performance 12V air compressor designed for inflating up to 35-inch tires quickly and reliably. Featuring a powerful permanent magnetic motor with a max pressure of 150 PSI and a 33% duty cycle, it delivers 2.3 CFM airflow to get you back on the road or trail in minutes. Its compact size, durable aluminum build, and comprehensive accessory kit—including a 25-foot 5-in-1 hose and deluxe carry bag—make it the essential inflation tool for trucks, SUVs, off-road vehicles, and more. Engineered for serious off-roaders and everyday drivers alike, the 400P combines convenience, speed, and durability to keep you moving with confidence.

Specifications

Brand	VIAIR
Voltage	12 Volts
Recommended Uses For Product	Tire Inflation
Power Source	electric-powered
Noise Level	74 Decibels
Special Feature	Heavy Duty, Portable, Quick Inflation
Included Components	25ft Inside Braided 5-in-1 Inflator/Deflator Air Hose with Inline 100 PSI Gauge, 3pc Inflation Tips Kit, 400P Original Portable Compressor, Deluxe Dual Compartment Carry Bag, Presta Valve Adapter
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	Original Portable
AC Adapter Current	30 Amps
Air Flow Capacity	2.3 Cubic Feet Per Minute
Motor Horsepower	0.555 horsepower
Model Name	400P Portable Compressor
Hose Length	25 Feet
Maximum Operating Pressure	150 Pound per Square Inch
Manufacturer	Viair Corporation
UPC	818114004032
Global Trade Identification Number	00818114004032
Maximum Horsepower	0.56 Horsepower
Part Number	40043
Item Weight	10.4 pounds
Item model number	400P
Is Discontinued By Manufacturer	No
Size	12V
Item Package Quantity	1
Number Of Pieces	1
Certification	certified frustration-free
Special Features	Heavy Duty, Portable, Quick Inflation
Batteries Included?	No
Batteries Required?	No
Warranty Description	All VIAIR products come with a One Year Manufacturer Defect Warranty

Have a Question? See What Others Asked

how long will it take to pump 4 off 265/75/16 from 15psi to 60psi

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

I have 33x12.5.15 inch General Grabber offroad tires, will this compressor work well?

The 400p says both 2.3cfm and 2.54cfm while the 300p says both 2.3cfm and 2.4cfm. what is the advantage of the 400p over the 300p, if any?

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