The LOADSTAR TIER 4 heavy service, self priming, centrifugal chemical pumps feature quality usually found in heavier and more expensive units. These pumps are assembled using the finest components available. The Yanmar “LW” series diesel, a popular and proven lightweight 4-cycle air cooled engine, is coupled to the super tough fuel rated pump. This high performance diesel powered chemical pump provides the user with safe, easy starting, reliable service and life many times that of gasoline powered counterparts.