Photos: Kinzenbaw tractor auction preview begins

Jon and Marcia Kinzenbaw are hosting an open house for their tractor collection auction. The auction features nearly 150 tractors ranging from the 1930s to the 1980s. The open house lasts through Thursday at their property in Williamsburg. The online auction will begin Nov. 4.

Savannah Blake

Oct. 27, 2025 1:37 pm, Updated: Oct. 27, 2025 5:52 pm

Jim Olson of North Liberty points out a tractor to Gail Funke of Virginia as they browse the collection during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. The open house will last through Thursday, allowing the public to walk through the vast collection before bidding online. There are nearly 150 tractors from the 1930s through the 1980s up for auction. That will still leave the Kinzenbaw family with 500 tractors in their collection. (Savannah Blake/The Gazette)

Harlan Rogers of Illinois points out a pair of plugs on a McCormick Farmall tractor to his cousin during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. Rogers came to check out the collection with his cousin. Rogers’ uncle used to own the Kinzenbaw property. (Savannah Blake/The Gazette)

Jeff Huber of Wisconsin smiles as his 10-month-old son, Jentry Huber reacts to a John Deere tractor during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. Huber, who runs a farm in the Wisconsin Dells said he wanted to bring his son out to see the large tractor selection after seeing it advertised. (Savannah Blake/The Gazette)

Ron Wiebold of Davenport is framed by tractor tires as he wanders around the showroom during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. Wiebold says his uncle used to own the Kinzenbaw farm and wanted to come back to relive some memories and look at the tractor collection. (Savannah Blake/The Gazette)

Harlan Rogers of Illinois points out an L on the serial number of a McCormick Farmall tractor during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. McCormick Farmall tractors were originally built in Rock Island, Illinois, but briefly production was moved to Kentucky. The L on the serial number stands for Louisville, where the tractors were built for two years. The tractors with L on the serial number area more sought after than the tractors produced in Rock Island. (Savannah Blake/The Gazette)

Jon Karstner of Newhall looks at a tractor while browsing the selection during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. The open house will last through Thursday, allowing the public to walk through the vast collection before bidding online. There are nearly 150 tractors from the 1930s through the 1980s up for auction. That will still leave the Kinzenbaw family with 500 tractors in their collection. (Savannah Blake/The Gazette)

Newer tractors sit out for the public to check out during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. The open house will last through Thursday, allowing the public to walk through the vast collection before bidding online. There are nearly 150 tractors from the 1930s through the 1980s up for auction. That will still leave the Kinzenbaw family with 500 tractors in their collection. (Savannah Blake/The Gazette)

Various tractors sit on display during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. The open house will last through Thursday, allowing the public to walk through the vast collection before bidding online. There are nearly 150 tractors from the 1930s through the 1980s up for auction. That will still leave the Kinzenbaw family with 500 tractors in their collection. (Savannah Blake/The Gazette)

Tim Rhoades of Ankeny looks at a McCormick Farmall tractor during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. The open house will last through Thursday, allowing the public to walk through the vast collection before bidding online. There are nearly 150 tractors from the 1930s through the 1980s up for auction. That will still leave the Kinzenbaw family with 500 tractors in their collection. (Savannah Blake/The Gazette)

Gary Eden of Iowa City wanders around while browsing the large selection of tractors during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. Eden says he has toured the Kinzenbaw collection at another location and wanted to see the tractors available for sale during the open house. (Savannah Blake/The Gazette)

Ron Wiebold of Davenport (left) and his cousin Harlan Rogers of Illinois (right) talk with Jon Kinzenbaw in his shop during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. Wiebold and Rogers’ uncle used to own the Kinzenbaw property and visited with Jon about their childhood memories. (Savannah Blake/The Gazette)

Jeff Huber of Wisconsin watches his 10-month-old son, Jentry Huber as they look through the various tractors during the opening day of the Jon and Marcia Kinzenbaw tractor auction at their residence in Williamsburg on Monday. Huber, who runs a farm in the Wisconsin Dells said he wanted to bring his son out to see the large tractor selection after seeing it advertised. (Savannah Blake/The Gazette)

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