A photograph showing the main drive gear, friction clutches, and countershaft assembly of 75 Caterpillar tractors manufactured by Holt Mfg. Co. in Peoria, Illinois, and Stockton, California. This image was received from Holt Mfg. Co. on June 26, 1918, with the reference number 111-SC-21323. It is labeled for official use only.

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

Keywords: -2003, .., 26, 75, 1918, activities, american, assembly, california, caterpillar, clutches, company, countershaft, drive, friction, gear, holt, illinois, june, main, manufacturing, military, official, peoria, photographs, stockton, tractors, war, world