Knuckleboom loaders 2017 5,300 h United States, Auburn, Washington
Knuckleboom loaders 2016 10,110 h United States, Redding, California
Knuckleboom loaders 2014 6,134 h United States, Lebanon, Tennessee
Knuckleboom loaders 2018 44 h United States, Redding, California
Knuckleboom loaders 2021 2,100 h United States, Redding, California
Knuckleboom loaders 1996 Canada, Lethbridge, Alberta