Chemineer Model HTD-5 top mount low rpm agitator drive. Serial # 1-90663-8. .5 hp 1720 rpm motor is reduced to 63 rpm by inline gear reducer and is further reduced to 2.2 rpm through a right angle gear reducer. Agitator shaft (not included) is mounted to the drive by a 7.75" six hole flange mount. Requires 230/ 460 vac electrical supply. Good Condition.