Lightnin 3 hp top mount agitator. Model 73C-3. Agitator is driven by 3 hp, 870 rpm electric motor. The gear ratio is 25.6 to 1 for a 34 rpm output speed. The stainless steel shaft is 2.5" in diameter and has a 6" diameter, 10 hole coupling. The agitator assembly has a 16" diameter, 12 hole flanged mounting. Requires 230/460 vac 3 ph electrical supply. Serial # 94E1481201. Good condition.