Welcome to Big John Aerators

A Division of Southern Machine Welding, Established in 1946




Big John Aerator

Big John Aerators is a premier manufacturer of electric and PTO paddlewheel aerators for use in aquaculture and waste water treatment facilities. We offer "Little John" electric aerators in 1/2 HP, 1 HP, and 2 HP models and "Big John" electric aerators in  5 HP, and 10 HP models. Also offered are "Little John" PTO-driven aerators for use with tractors from 18 HP to 40 HP and "Big John" PTO-driven aerators for use with tractors 50 HP and above. 

PTO AeratorJohn and Mark Caradine have many years of experience in the manufacture of paddlewheel aerators. Their experience, coupled with unsurpassed quality and workmanship, allow them to produce what many consider to be the finest paddlewheel aerators on the market today. Be sure to visit our "Testimonials" page to see what others are saying about Big John Aerators.




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New Plastic Aerator


Big John Aerators Introduces the All New Plastic Paddlewheel Aerator

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2-HP Plastic Aerator

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