Specifications include, but are not limited to: Pull Behind Air Compressor: City of Omaha is requesting bids from qualified companies, herein called Bidder, Contractor, Vendor, Supplier, or other pronouns used in their place, for all work and/or goods set forth in the specifications. Makes & Models to be bid: Sullivan/Palatek Model D185PKR; Sullivan/Palatek Model D185PIZ4; Sullair 185 Series T4F; Kaeser Mobiliar M55PE; Compressor: Rated Air Delivery of 185 CFM at 100psig minimum; Operating Air Pressure range 70 – 125 psi; Air Discharge Outlet Size and Quantity 2 ¾” NPT/ 1 1” NPT; Rotary Twin Screw Air End; Side by side coolers for engine and compressor; Automatic shut down and protection system; Automatic blowdown valve; Unloaded starting; Oil level sight gauge;