The XP825/HP750 air compressor is able to deliver air at either 825 cfm at 125 psi or 750 cfm at 150 psi. The air pressure is adjusted by a keypad, allowing the air compressor to work with a variety of tools and applications on the site. It is powered by a Cummins QSB engine that meets Tier 4 Final emissions standards. The engine uses selective catalytic reduction and a diesel oxidation catalyst to meet emissions standards and does not require regeneration cycles.