Ingersoll Rand Sierra 100% Oil Free Compressor

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Ingersoll Rand Sierra 100% Oil Free Compressor

Ingersoll Rand 2 stage Oil Free Compressor S37-S75


Looking for a rugged and reliable oil-free air compressor?

Ingersoll Rand’s Sierra oil-free rotary screw is just the unit for you. You’ll enjoy the peace of mind knowing that you’re backed up by Ingersoll Rand’s unmatched reputation for reliability and performance.

Key benefits:
  • Increasing the productivity of your installation, with optimised compressed air solutions adapted and designed to match the needs of our customers;
  • Peace of mind – zero risk of contamination of your final product;
  • Robustness and reliability for harsh environments thanks to trusted and world-class suppliers and the use of the highest quality materials.
Quality is not an option, it is essential:
  • Regulatory compliance: Strict legislation exists in many countries controlling the use of compressed air in sensitive industries such as Food & Beverage or Pharmaceutical;
  • Peace of mind: The use of an oil-free Class 0 certified compressor guarantees contamination-free air and ensures your total peace of mind;
  • Reliability and productivity: Top quality air (oil-free Class 0 air & -40°C PDP) protects sensitive downstream equipment, for reliability, low maintenance and long life.

For more information on the Sierra Oil-Free Compressor, contact our team by clicking the link below!

  • Rated power range of 37 – 75 kW.
  • Meets ISO 8573-1:2001 Class 0 specifies air quality standards for processes within the food and beverage, pharmaceutical, textile, and electronics industries.
  • High efficiency TEFC, 380-415V/3PH/50HZ motor
  • 2-Stage oil-free rotary screw airend
  • Air or Water-Cooled aftercooler with moisture separator
  • Integral star delta starter
  • IntellisysTM controller featuring:
    – Finger touch control
    – Automatic start & stop control
    – Remote start & stop control
  • 79 dB(A) Low sound enclosure
  • Enhanced Reliability: Stainless steel components, dual-vented seals, and precision machined-rotors with advanced UltraCoat protection ensure trouble-free operation.

  • Reduced Lubricant Change Out: Industry-leading Ultra Coolant delivers up to 8,000 hours of lubricant runtime, as much as 8 times the life of conventional lubricants.
  • High Ambient operation: Long-life components are designed to withstand 46ºC maximum ambient temperature.

  • All main motors and fan motors for Australian models are complied to MEPS Standard
  • Pressure Vessel Tank for Australian market are complied to AS1210 Standard
Pressure 7 – 10 barg
Capacity 184 – 442 cfm (5.2 – 12.5 m3/min)
Power 37 – 75 kW
Options Air Cooled (AC) / Water Cooled (WC)
Sound Level 79 dB(A) Low sound enclosure
Dimensions (mm)

Air-cooled: 2248 L x 1372 W x 1914 H
Water-cooled: 2248 L x 1372 W x 1914 H


Weight (kg)


2,475 / 2,480 AC/WC (37 kW)
2,338 / 2,561 AC/WC (45 kW)
2,582 / 2,605 AC/WC (55 kW)
2,682 / 2,705 AC/WC (75 kW)

  • Offshore specifications.
  • Special paint.
  • Stainless steel panels.
  • Outdoor modifications.
  • Heavy-duty, high-dust inlet filter.
  • Multiple unit sequencer.
  • Remote communications capability.
  • Automatic power outage restart option.
  • Custom engineering – With CAPS in-house Engineering team, we can customise any compressor to suit even the strictest requirements.
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