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Sullair 1050 AF Tier 4 CAT Portable Air Compressor

Sullair 1050 AF 100psi
Interim Tier 4 CAT-Powered Rotary Screw Air Compressor


The Sullair 1050 AF delivers 1050 cfm at 100 psig or 29.7 m3/min at 7 bar of aftercooled and filtered compressed air that meets or exceeds ISO 8573-1: Class 1.7.1 quality standards.

The AF System consists of a specially designed Sullair portable compressor with a built-in high-capacity, low-approach aftercooler, a water-condensate trap and a highly efficient contaminant removal system.

The contaminant removal system includes primary and secondary filters with condensate traps. The primary filter is a coalescing type filter which captures and removes particles down to 1.0 micron and larger in diameter, and maximum remaining aerosol content at 0.5 PPM. The secondary filter is a high efficiency coalescing type which removes particulate to 0.01 micron and larger in diameter, and maximum aerosol content of 0.01 PPM.


  • 1050 cfm (29.7 m3/min, 496 l/s)
  • 100 psig (7 bar)
  • Available mounting options: skid mount
  • Available engines: interim Tier 4 Caterpillar 300 hp (224 kW)

  • Rotary screw compressor
  • Two-stage dry-type filters
  • Complete fluid containment
  • Cold box design
  • Hydraulic cooling control—significant fuel savings in cool ambient conditions
  • No stacked coolers—allow for easy cleaning
  • Fuel cooler standard
  • External fuel fill with remote fuel connections
  • Integral fork pockets
  • Controls at cool end of package
  • Additional 3/4″ discharge valves
  • Strobe light and siren—provides visual and audible alerts for warning conditions
  • Integral ether starting aid
  • Durable powder coat finish
  • Modular running gear—trailer can be easily unbolted and compressor can be placed on flatbed trailer with other equipment
  • AWF™ compressor fluid

  • Engine block heater
  • Spark arrestor muffler

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