Skip to content

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

Product Summary

The CALIFORNIA AIR TOOLS 20040SM SMART Ultra Quiet Oil-Free Air Compressor is designed to be one of the quietest 4.0 Hp air compressors in the industry having only 75 decibels of sound. The Powerful Twin 2.0 HP (SP-9421-22060) motors operate at only 1680 RPM creating less noise and less wear. The SP Series of Ultra Quiet Air Compressor Motors have been designed to increase duty cycle and allow for longer continuous run times.* The Oil-Free Dual Piston Pump System is engineered for high performance and durability. The CAT-20040SM SMART Air Compressor has a Oil-Free Dual Piston pump designed to have a life cycle before wear of 3000 Plus hours. The Oil-Free pump allows for use in a variety of temperatures (cold starts) and uneven terrains (no oil in the pump). The large 20 Gallon Steel Air Tank is just the right size for shop or garage. Designed for the person looking for Power, Air Flow and Less Service with at Least 30% Less Noise!

What's Included

    (1) Owners Manual

Features + Benefits

  • Ultra Quiet - Only 75 decibels
  • Oil-Free Pump – Cleaner air for better tool operation. Less maintenance and Costs.
  • Regulated output pressure gauge
  • Pressure Regulator (0-120 PSI)
  • One - Female Industrial "Push to Connect" quick connector (1/4" NPT)
  • Easy Start Valve - For Less Starting Amperage
  • Condor Pressure controller
  • MDR2i OLED Smart pressure controller for remote monitoring and control
  • Working Pressure 90-120 PSI (+/-5 PSI). Adjustable up to 105 PSI Kick-On; 130 PSI Kick-Off maximum.
  • Thermal Overload Protector
  • 220 Volt / 60 Hertz / Single Phase (No 208 Volts - if necessary, obtain 208 to 220 voltage booster)
  • Low Amp Draw - 14 Amps
  • Time to fill tank from empty to full - 150 Seconds
  • Recovery time from 95 PSI to 125 PSI - 40 Seconds
  • Duty Cycle - 70/30*
  • Less heat which dissipates more efficiently
  • 20 Gal. Steel AirTank.
  • L (39") x W (15") x H (28")
  • Limited Warranty 1 Year

Key Specs

AttributeSpecification

item#

6571031

Brand

California Air Tools

Manufacturer's Warranty

1 year limited warranty

Ship Weight

205.0 LB

Air Tank Size

20 Gal

Volts

220

CFM at 90 PSI

10.6

Tank Orientation

Horizontal

Horsepower

4 HP

Max. PSI

120

Air Outlets (qty.)

1

Amps

14

Duty Cycle

70 %
AttributeSpecification

Engine Start Type

Electric

Pump Life

3,000 hr

Air Outlet Size

1/4 in. NPT

CFM at 40 PSI

12.8

CFM at Max. PSI

10.6

Noise Level

75 dB

Oil Required

No

Lubrication System

Oil-Free

Drain Type

Manual

Engine Brand

OEM

Product Weight

140.0000 lb

Dimensions L x W x H (in.)

39.0 x 15.0 x 28.0 in

Warranty

Manufacturer's Warranty

1 year limited warranty