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Midland Tool

Chicago Pneumatic 185 CFM Mobile Diesel Air Compressor

Item # CPS 185 Category

Designed for demanding job sites, these compressors allow operators to run multiple hand tools and hammers at the same time for maximum efficiency. They’re also ideal for sandblasting, irrigation blow-outs and general construction applications. With noise reducing enclosures, straightforward controls and a low-maintenance design, they’re built for reliable performance day in and day out.

  • User friendly controls (with shutdowns and safeties)
  • Easy to maneuver and transport
  • Single axle trailer design
  • Low maintenance design
  • Fuel efficient design
Free Air Delivery

185 cfm

Effective Working Pressure

100 psig

Max Unloaded Pressure

125 psig

Min. Working Pressure

58 psig


2 x 3/4"

Max Sound Pressure @ 23 ft

76 dB(A)

Max Ambient Temp @ Sea Level

125° F

Min. Starting Temp

With Cold Air Start Aid: -13° F
Without Cold Air Start Aid: 14° F

Oil Capacity

2.25 gal

Fuel Capacity

20 gal

Fuel Consumption @ Full Load

2.5 gal/hr

Fuel Autonomy @ Full Load

8 hr

Engine Model

Kubota D1803T

# Engine Cylinders


Engine Displacement


Power Output

At Normal Shaft Speed: 49 hp

Engine Full Load RPM

2700 rpm

Engine Unload RPM

1800 rpm

Emission Rating

Tier 4 Final


131" L x 60" W x 56" H


2400 lbs

Chicago Pneumatic 185
CFM Mobile Diesel Air Compressor
Spec Sheet