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AT Highlights Design Features Maintenance Features Drive Systems
Optional Equipment Unit Specifications Thermal Performance Low Sound Solutions
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Operation & Maintenance Bulletin Rigging & Assembly Bulletin Drawings


The AT Cooling Tower features the highly successful EVAPCO POWER-BAND Belt Drive System engineered for heavy-duty operation. The POWER-BAND Drive System has consistently provided trouble-free operation in the most severe duty cooling tower applications. In addition, the complete drive system including the fan motor is standard with a (5) Five Year Warranty.

•   Fan Motors
•   Power–Band Belt Drive
•   Drive System Sheaves
•   Fan Shaft Bearings
•   (5) Five Year Warranty

Models AT 19-56 through AT 39-942 AT 19-56 through AT 39-942
Fan Motors
All AT Cooling Tower models utilize heavy duty totally enclosed (T.E.F.C. or T.E.A.O) fan motors designed specifically for cooling tower applications. In addition to the standard motors offered on each cooling tower, EVAPCO offers many optional motors to meet your specific needs, including:

  • Premium Efficiency Motors
  • Multi-Speed Motors
  • Inverter-Duty Motors for VFD Applications

The T.E.F.C. motors are located on the outside of the unit on Models AT 19-56 through AT 39-942 and are protected by a hinged, swing away cover.

Models AT 112-012 through AT 428-1248 have T.E.A.O. motors located inside the fan section on a heavy duty motor base which swings to the outside for repair or removal.


Models  AT 112-012 through AT 428-1248
AT 112-012 through AT 428-1248
Models  AT 112-012 through AT 428-1248
AT 112-012 through AT 428-1248