Twin drum rollers 2014 2,279 h United States, Hannibal, Iowa
Single drum rollers 2006 United States, Oelwein, Iowa
Single drum rollers 2021 United States, Bondurant, Iowa
Single drum rollers 2020 562 h United States, Sergeant Bluff, Iowa
Single drum rollers 2018 419 h United States, Sergeant Bluff, Iowa
Single drum rollers 2020 512 h United States, Fort Dodge, Iowa
Single drum rollers 2022 477 h United States, Bondurant, Iowa
Single drum rollers 2022 235 h United States, Fort Dodge, Iowa
Single drum rollers 2019 1,482 h United States, Waterloo, Iowa
Single drum rollers 2019 1,695 h United States, Bondurant, Iowa
Single drum rollers 2019 1,056 h United States, Waterloo, Iowa
Single drum rollers 2020 4,096 h United States, Bondurant, Iowa
Single drum rollers 2024 30 h United States, Fort Dodge, Iowa
Single drum rollers 2024 27 h United States, Fort Dodge, Iowa
Single drum rollers 2024 32 h United States, Waterloo, Iowa
Single drum rollers 2018 1,030 h United States, Bondurant, Iowa
Single drum rollers 2017 633 h United States, Sergeant Bluff, Iowa
Single drum rollers 2021 351 h United States, Bondurant, Iowa
Single drum rollers 2022 493 h United States, Bondurant, Iowa
Single drum rollers 2018 741 h United States, Fort Dodge, Iowa