The RTD-15 has been designed as a quality, high value gearbox specifically for use on rotary tillers. Engineered with straight bevel gears, triple lip oil seals and both tapered roller bearings and deep groove ball bearings, the RTD-15 is both reliable and efficient. The RTD-15 is capable of handling a wide range of power ratings and can be configured in a number of ways, with multiple gear ratios.