Your Minnesota and Iowa heavy equipment, truck, and gen set dealer. Ziegler CAT is the authorized dealer for Caterpillar machines and engines in Minnesota and western, central, and northeastern Iowa. Established in 1914, Ziegler sells, rents and provides parts and service for the full line of Cat equipment, including dozers, excavators, motor graders, scrapers, backhoes, skid steer loaders, wheel loaders, track loaders, off-highway trucks, compactors, pavers, generator sets, Cat natural gas and diesel engines, and on-highway trucks.