Sims Construction 1860 State Route 56 SW , London , Ohio 43140-8661 USA About Solutions products Companies Sims Construction Products Horizontal Power Heads Horizontal Power Heads 0 Share Horizontal power heads are available in 6', 8', 10', and 12' sizes. They are single or double direct belt driven depending on the unit. Customer reviews No reviews were found for Horizontal Power Heads. Be the first to review! Add your review Publish your review Great! review successfully added!