The National Antique Tractor Pullers Association will once again bring the Iowa Winter Nationals to Waterloo. This NATPA sanctioned event will take place today and Saturday at McElroy Auditorium on the grounds of the National Cattle Congress, 257 Ansborough Ave., Waterloo.

Today, there will be a test and tune from 4 to 6 p.m. with Jackpot Pulls to follow.

Saturday's activities will begin at 9 a.m. with all NATPA classes and divisions.

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