Breaking Barriers | Bob Parks: The Man Who Changed Tractor Pulling Tires Forever

In this episode of Breaking Barriers, host Gary Bontrager sits down with Bob Parks, one of the most influential — and often overlooked — innovators in tractor pulling history. From hand-cutting tires with butcher knives to pioneering double-cut technology and custom pulling tires, Bob’s work quietly reshaped how the sport is run today. Bob walks through his journey from the early days of tractor pulling in the late 1960s and ’70s, sharing behind-the-scenes stories from legendary pulls, groundbreaking horsepower breakthroughs, and the trial-and-error process that led to modern tire performance. Along the way, he reflects on working with iconic names in the sport, the rise of multi-turbo engines, and the relentless curiosity that drove innovation long before dynos, data, and technology caught up. This conversation is a masterclass in perseverance, craftsmanship, and learning the hard way — revealing how one man’s willingness to experiment helped push an entire sport forward. Whether you’re a longtime tractor pulling fan or someone fascinated by innovation born from grit and experience, this episode offers rare insight into the mechanical evolution, personal sacrifices, and untold stories behind competitive pulling. 🎧 Subscribe to Breaking Barriers for more conversations with the builders, thinkers, and risk-takers who shape motorsports from the ground up.