Chicago Pneumatic 400 CFM Mobile Diesel Air Compressor

Item # CPS 250-1

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 @ Effective Working Pressure

440/400 cfm

Normal Effective Working Pressure

100/150 psig

Max. Unloaded Pressure

175 psig

Min. Working Pressure

58 psig

Air Compressor Outlets

1" x 1-1/2"
2" x 3/4"

Max. Sound Pressure (LPA)

76 dB(A) @ 23ft

Max. Ambient Temp

115° F (at sea level)

Min. Starting Temp

With Cold Start Aid: -4° F
Without Cold Start Aid: 14° F

Compressor Oil

7.25 Gal

Fuel Capacity

52 Gal

Engine Model

John Deere 4045

# Engine Cylinders


Engine Displacement

4.5 L

Engine Power Output

146 hp

Engine Emissions Level

Tier 4 Final

Engine Full Load RPM

2400/2250 rpm

Engine Unload RPM

1500 rpm


175" L x 72" W x 74" H


4555 lbs