- Maxus is rolling out the EX8015 twinstack air compressor that's easy to move from place to place, thanks to two pneumatic tires and a retractable handle. The 5-gal. EX8015 features a 1.3 running HP electric motor that delivers 3.7 SCFM at 90 PSI and an oil-lubricated pump for long-lasting performance. An integrated control panel includes easy-to-read gauges and two quick connect couplers, and protects critical working components from jobsite damage. The unit also includes lifting handle for loading and unloading.