The Low Speed Double Gear (D531RT-1) for the 9 HP Diesel Engine Back Rotary Diesel Power Weeder is a critical transmission component designed to provide reliable and efficient power transfer at low speeds. It is engineered for agricultural machinery, specifically the D531RT model power weeder, to enable smooth gear transitions and enhanced torque control during tilling and cultivation tasks. This double gear setup ensures optimal speed reduction and increased torque to drive the rotary mechanism effectively, contributing to the efficient operation of the diesel power weeder in rough and demanding field conditions.