Photograph of caterpillar tractors manufactured by Holt Mfg. Co. in Peoria, Illinois and Stockton, California. The image shows transmission and steering clutch assemblies of the 55 (10 ton Artillery tractor). Taken on June 26, 1918. Caption: "Caterpillar tractors manufactured by Holt Mfg. Co., Peoria, Illinois and Stockton, California for military use during World War One."

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Size: 8475px × 5711px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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