SCAG 9277 Flat Free Front Caster Tire & Wheel Assembly for 48" & 52" Mowers. From just one model, a gear-drive rider, to over 50 models today, Scag Power Equipment has become one of the largest independent manufacturers of commercial & residential mowing equipment and debris/turf management equipment in the world. Scag Power Equipment’s innovation and attention to quality is known and respected throughout the power equipment industry. Mowers and accessories are designed to be user-friendly, with an emphasis on quality, performance, ease of maintenance, profitability and long life.