The Rotair D90K is an EPA Tier 4 Final portable air compressor that produces 90 cfm at 100 psi.
 
The D90K is designed as a cost-effective way for rental companies to provide economical air compressor rentals to those customers who need to run one 90# breaker or blow out a sprinkler system, which the company estimates at more than 80 percent of compressor rental customers.
 
The D90K is designed to be compact, burning up to 40 percent less fuel than a 185 cfm compressor according to the OEM. A spin-on compressor oil and separator tank filters designed to facilitate quick rental turn-around. A curb-side control panel is designed for operator safety and convenience.‚Äč The unit's low-speed air-end is covered by a five-year, unlimited-hour warranty that is included free of charge and requires no special fluids. Kubota Tier 4 Final power comes equipped with a glow plug to facilitate winter starts.