 The ground will shake with the raw horsepower of the National Tractor Pulling Association. July 5th and 6th, the McKenzie County Ag Expo hosts the only national event of its kind in a four-stay region. The excitement of the NTPA, the sport's oldest and most respected truck and tractor pulling organization. It's edge-of-your-seat entertainment for the entire family. Grab your tickets now at mcagexpo.com. The NTPA Nationals, Saturday and Sunday, July 5th and 6th at the McKenzie County Ag Expo in Watford City.