GRANGEVILLE, IDAHO — An extensive collection of meticulously restored antique tractors currently up for auction online includes dozens of early model crawlers built by Caterpillar Inc. and its predecessor, with one specimen from a line with total production that never reached triple digits. The tractors were collected by Ted Billups, and together span 93 years of development by iconic manufacturers such as Caterpillar, its predecessor Holt, John Deere, Allis-Chalmers and others. The online-only auction began Nov...
