A Cat or Caterpillar Challenger farm tractor pulls a Balzer grain wagon during the fall corn harvest.

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The Cat Challenger tractor is a very modern piece of farm machinery utilizing two tracks, rather than four wheels.

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Size: 6000px × 2979px
Location: Champaign County, Illinois, USA
Photo credit: © Philip Lewis / Alamy / Afripics
License: Licensed
Model Released: No

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