Thursday, November 22, 2012

Champion Grader on Crawler Tracks

William Barlow, Everything for the Roadmaker, Published by Possibilities. 1991
Champion grader on crawler tracks based on the McCormick Deering Trackson Model 20. According to the author of Everything for the Roadmaker, these units never became popular as they were expensive to make and were difficult to handle in snow and ice. 

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