Adjustable skids control cutting depth while rear shield controls soil mix Heavy-duty cast iron gearbox  Gearbox comes greased for convenience Heavy-duty gear drive for dependable performance Vented side gear box operates in oil bath Every KING KUTTER TILLER is built to perform year after year. There s a certain satisfaction that comes from doing the job right. Whether you have tough sod, or hard compacted ground, King Kutter Gear Drive Rotary Tillers will get the job done. Producing an ideal soil mix is what King Kutter Tillers are all about. With six tines per flange, you can till down to eight inches. The 4 TG-48 is ideal for 20-35 horse power tractors. The 5 TG-60 is designed for the most popular tractors in the 25-40 horse power range. Choose the 6 TG-72 model for tractors with 35-50 horse power. The 7 TG-84 is perfect for larger operations and ideal for use on tractors from 50-60 horse power. The choice is yours, quality Gear Drive Rotary Tillers that are built tough and will give you years of dependable performance.