Weaver Turf Power, Inc. 1501 Eshelman Mill Road , Willow Street , Pennsylvania 17584 USA About Solutions products Companies Weaver Turf Power, Inc. Products Ferris - Model IS 500Z - Zero-turn mowers Ferris - Model IS 500Z - Zero-turn mowers 0 Share IS 500Z touts patented suspension technology and 24- or 27-hp Briggs & Stratton Professional Series engines. 44', 52' or 61' mowing deck optio Customer reviews No reviews were found for Ferris - Model IS 500Z - Zero-turn mowers. Be the first to review! Add your review Publish your review Great! review successfully added!