Viair 400H Heavy Duty Air Compressor - Hardmount design (Duty Cycle 33% @ 100 psi) - # 40042

Sale Price: $192.06

Reg: $211.06 Save: $19.00 (9%)

  • Viair #40042
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Arrives 1 to 5 business days after product ships

Product Information

The 400H is a hardmount compressor that pumps a massive 2.54 CFM flow at zero PSI head pressure. Features include a standard stainless steel braided leader hose with a 1/4" quick connect stud for easy attachment to a coil hose, removable & replaceable dual filtration air filter element, insulated wiring for simple installation and a heavy duty ON/Off switch for ease of operation.

Features & Benefits

  • 12-VOLT
  • Designed for direct inflation
  • Hardmount design with ON/OFF switch
  • 1/4" Stainless Steel Braided Leader Hose included
  • Permanent Magnetic Motor
  • Sealed design - Moisture & Dust Resistant
  • Oil-less Design
  • High Performance PTFE Piston Ring
  • Stainless Steel Valves
  • Gearless Direct Drive Motor
  • Anodized Aluminum Alloy Cylinder
  • Automatic Reset Thermal Overload Protector
  • 1 year manufacture warranty

Tech Specs

Voltage: 12-Volt
Duty Cycle: 33% @ 100 PSI
Max Working Pressure: 150 PSI
Max Amp Draw: 26 Amps
Min. Ambient Temp: -40 degrees F
Max. Ambient Temp:: 158 degrees F
Dimensions: 9" L x 4" W x 7" H
Net Weight: 8 lbs.

Duty Cycle Reference Chart

Duty Cycle: 100 PSI @ 72F
Max. Run Time / Min. Rest Time
10% Duty Cycle 3 Min. On / 27 Min. Off
15% Duty Cycle 6 Min. On / 34 Min. Off
20% Duty Cycle 8 Min. On / 32 Min. Off
25% Duty Cycle 10 Min. On / 30 Min. Off
30% Duty Cycle 13 Min. On / 30 Min. Off
33% Duty Cycle 15 Min. On / 30 Min. Off
100% Duty Cycle Continous Duty @ 100 PSI @ 72F

This compressor has a duty cycle of 33%

Note: Duty cycle refers to the amount of time a compressor can be operated in given time period at 100 PSI, at a standard ambient temperature of 72 degrees F. Duty cycle is commonly expressed in percentage format. The higher the percentage the longer run time. For more "frequently asked questions" on compressors see Viair FAQ Page.  

Fill Rates

31" x 10.5" Tire
Fill Rate
0 to 30 PSI 2 min 28 sec
15 to 30 PSI 1 min 25 sec
33" x 12.5" Tire
Fill Rate
0 to 30 PSI 4 min 00 sec
15 to 30 PSI 2 min 00 seconds

Performance Data

PSI
CFM
A
0 2.54 16
10 2.26 18
20 2.12 21
30 1.94 22
40 1.84 23
50 1.70 24
60 1.62 25
70 1.55 25
80 1.48 26
90 1.41 26
100 1.27 26
110 1.20 26
120 1.09 26
130 0.95 25
140 0.85 25
150 0.71 25

PSI = Pounds per squre inch - A measure of air pressure generated by an air compressor. CFM = Cubic feet per minute - Volume of air produced by the air compressor at a given pressure or PSI. A = Amps - A measure of the amount of electrical current used.

Weight:
15 lbs.

Installation Notes

This "H" series compressor is for direct inflation of tires or other inflatable objects via an air hose. For compressors designed to be used with an air supply tank see the "C" series Viair air compressors.
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