The Graco 203857 Fire-Ball 300 is a high-performance air-operated grease pump engineered for heavy-duty lubrication in demanding vehicle service environments. Featuring a 50:1 pressure ratio, this reliable pump is specifically designed for 120 lb (55 kg) open-head drums, delivering consistent high-pressure grease flow for chassis lubrication and medium-volume applications. The Fire-Ball 300 series is renowned for its durability and long-lasting service life, utilizing fewer moving parts to minimize wear and simplify maintenance. Its robust non-corrosive air motor design ensures continuous operation even in harsh industrial conditions. Technical specifications include a maximum air input pressure of 150 psi (10.3 bar) and a maximum fluid pressure of 7500 psi (517 bar). This pump is an essential component for automotive dealerships, fast lube centers, and fleet maintenance facilities seeking efficient fluid handling solutions. Trust the Graco 203857 for superior grease delivery, reduced downtime, and exceptional performance in professional lubrication systems.