Portable air compressors



ELGi portable compressors offer a wide range of applications that are emission and noise compliant, reliable, and efficient with low life cycle cost. The portable compressor range provides a wide range of pressures for different applications, a noise-free liquid cooling system for the engine, and a no-key, centralized control panel for easy monitoring. ELGi’s portable compressors comply with applicable international standards such as CE, ASME and DOSH, and they find applications in several industries, including mining, sandblasting, construction sites, oil and gas separation, cable laying, cleaning, chipping hammers, waterfall drilling, CBM (coal bed methane), among others.


Take on every job with the versatile ELGi D185T4F portable air compressor, previously branded as Rotair. The 185 cfm portable air compressor is designed so you can complete jobs with the right tools. The combination of standard and optional features makes the 185 cfm portable compressor the right machine for any application.

  • ELGi's commitment to quality is evident with its five-year / unlimited-hour air end warranty, 1-year / 2,000-hour full machine warranty, and 3-year / 4,000-hour Kohler engine warranty, ensuring peace of mind and long-term reliability
  • Features curb-side controls and service valves for safe operation
  • ELGi's portable air compressors are built with a robust all-steel construction, ensuring longevity and resilience in the face of tough working conditions
  • Equipped with the new DeepSea controller and intelligent Start/Stop system to prevent cold-starting and blowbackk, optimizing compressor operation and reducing wear and tear
  • ELGi’s 185 cfm portable compressors is Equipped with a Kohler’s quiet and efficient diesel engine, ethese compressors operate without the need for a Diesel Particulate Filter (DPF), streamlining operations and maintenance
  • Includes a standard tool box conveniently positioned for easy accessory placement and removal
  • The optional Dual Pressure System allows you to work on applications that need 150 psi
  • For added versatility, skid mounts are available, providing an adaptable solution to suit various mounting requirements and job site conditions
  • The ELGi 185T4F portable air compressor comes with a tool box that is perfectly positioned so that you can easily place and remove your accessories
  • Equipped with heavy-duty dexter axles, these compressors are ready to handle rugged terrains and transportation challenges, enhancing their mobility and durability

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Capacity - Pressure (psi) Capacity - Volume (cfm) Minimum Working Pressure
100 psi (150 psi with Dual Pressure Option) 185 cfm (145 cfm with Dual Pressure Option) 73 psi
Drive System Engine-Airend Compressor Cooling System Oil Cooling Capacity
Direct Drive, Twin Screw Rotors Air/Oil 2.75 gal
Air Outlet Temperature Outlet Valves Battery Capacity
105°F + Ambient temperature 2 X 3/4" 12V 100Ah 790A
Fuel Tank Capacity Fuel Consumption Dimensions with Running Gear
23 gal 1.6 gph L- 124" W- 53" H- 54"
Dry Weight with Running Gear
1,960 lbs
Diesel Engine
Engine Make Engine Type Engine System
KOHLER KDI 1903 TCR 4 strokes - High Pressure Common Rail
Displacement N. Cylinders Aspiration
1903 cc 3 Turbo lntercooler
Max Engine Power @3000 RPM Max Engine Speed Min Engine Speed
49.0 HP 2600 RPM 1700 RPM
Cooling System Cooling System Capacity Lubrication System
Water 3.70 gal Oil
Lubrication System Capacity Max Ambient Temperature Min Working Temperature
2.57 gal 122° F 14° F


  • Dual pressure system
  • Cold weather package
  • Skid support
  • Telematics
  • Hose reel
  • After cooler
  • Working pressure: 100 psi - 150 psi
  • Free air delivery: 145 cfm - 185 cfm


Construction Sites

Construction Sites

Maintaining and repairing roads

Maintaining and Repairing Roads

Oil and Gas

Oil & Gas Industry





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