The document introduces the CON-E-CO HRM-12 horizontal/reversing central mix drum. It lists several features such as no hydraulic system, no open gearing, reduced concrete splatter, and quiet operation. The benefits are less maintenance, eliminates gear lube, less maintenance, and environmental friendly cleaner operation. It also discusses solutions to problems inherent to horizontal mixers such as high traction drive tires, variable frequency drive system, individual motor disconnects, bolt-in mixing paddles, and replaceable bolt-in chute liners.