Modern ContractorSolutions magazine listed the Zahn R300 among its favorite 50 products that will be exhibited at World of Concrete in Las Vegas, Nevada, February 2-6, 2009, at the Las Vegas Convention Center. You'll find mention of the Zahn R300 toward the bottom of the article. Read the full article. See the Zahn R300 and other Ditch Witch equipment at WOC Booth C7568.