Chicago Pneumatic at your service

Since 1901 the Chicago Pneumatic name has represented high-performance tools and equipment designed for an extensive range of applications. Today, Chicago Pneumatic has a global reach, with local customer centers around the world. Chicago Pneumatic tools, air compressors and generators are tailored to the needs of the industrial, vehicle service, and construction markets. Every day we develop and manufacture new products that are meant to meet your demands not only today, but tomorrow as well.
Unit of Measure


Model Compressor

N/A CPS 185 PDU7
Actual Free Air Delivery1 N/A 185 cfm

Normal Working Pressure

N/A 100 psi

Maximum Unloading Pressure

N/A 125 psi

Compression Stages

N/A 1

Compressor Cooling System

N/A Air Oil

Air Receiver Tank Capacity

N/A 4.5 gal


N/A Perkins

Model Number

N/A 404D-22 (Interim Tier 4)

Cooling System

N/A Water


N/A 49 bhp


N/A Natural

Number of Cylinders

N/A 4

Overall Length

N/A 84 in

Overall Width

N/A 34 in

Overall Height

N/A 57.0 in

Weight Wet

N/A 1850 lb

Weight Dry

N/A 2060 lb

General Description

N/A Chicago Pneumatic carefully monitors the maintenance needs of all its compressors. Service intervals are carefully assessed to ensure optimum performance is maintained and operating costs reduced. Service kits are available to ensure a compressor is able to retain its optimum capacity throughout its life.

Chicago Pneumatic makes no compromise on the quality of replacement parts; only genuine parts will provide the longevity and reliability you demand. Selected high quality Chicago Pneumatic compressor and engine oils are also available. These meet the stringent quality specifications required to enable your unit run smoothly, shift after shift. Oils are available in 2, 20 and 209 liter containers.

For complete peace of mind, Chicago Pneumatic can also offer a choice of service contracts

The CPS 185 PDU portable air compressor from Chicago Pneumatic is designed for cross mounting on service vehicles and features two sets of forklift slots, one on each end, as well as a lifting bail.



  • Galvanneal enclosure to prevent rust
  • Central point drains for quick serviceability
  • Curbside control panel for ease of use
  • Protective shutdown system to prevent damage


N/A Subject to change without prior notice.

  • 1 According to ISO1217 ed.3 1998 annex D