Doosan Infracore Portable Power features three models from its light compaction equipment line of RX Series upright rammers. The RX Series is built for compacting materials ranging from mixed and cohesive soils to heavy clay. These models are designed to provide compaction solutions for a wide array of applications, including backfilling and narrow trench compaction such as utility work, trenching, curbing, drainage work, and foundation and masonry base preparation. The RX Series, which operates at 600 to 750 blows per minute, comes standard with Honda recoil-start, four-cycle engines.