Tecomec RGB18 Reduction Gearbox for 1" Shaft EnginesThe Tecomec RGB18 Reduction Gearbox is a professional grade, Italian made component that provides a robust and reliable link between your engine and pump. Designed and manufactured by the renowned Tecomec Mecline, this gearbox is engineered to be a direct fit for powerful 1" shaft engines, such as the popular Honda GX series. With a maximum engine power rating of 18HP, it is perfectly suited for demanding commercial and agricultural pressure washing