Union

The Union Tool Co. was based at Torrance, California, and introduced its 12-25hp "Sure Grip" tractor around 1917. This was a half-track machine that resembled the Yuba Ball-Tread tractor, and used an engine of Union's own design. Production seems to have ceased after several years.

(Click on images below to enlarge)



Union Sure Grip 12-25 Model D at the Best Show on Tracks, Woodland, California, USA in 2008.

 


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