Phifer Equipment Sales (Darwin Phifer) has been a regional sales representative for the TREE TERMINATOR line of equipment for the past 10 years. Phifer Equipment Sales (Darwin Phifer) has been a regional sales representative for the TREE TERMINATOR line of equipment for the past 10 years. The TREE TERMINATOR line includes tree shears, rotary mowers, heavy duty brush mowers, tree & post pullers and assorted accessories for skid steers and tractors. TREE TERMINATOR tree shears and skid steer mowers are the toughest tree shears and skid steer brush mowers on the market. Generally the only way I sell equipment is to arrange a personal demonstration on your farm or place of business in a 30 state area in the midwest. The TREE TERMINATORline of equipment is the very best line of tree and brush removal equipment available.Grace Manufacturing is the manufacturer of the TREE TERMINATOR line and is considered the most durable and most i