![](http://www.alamy.com/thumbs/6/7B19956F-E96A-4C42-88E4-83D8303EA1E9/JNM6K4.jpg)
Caterpillar Model 60 vintage crawler tractor on display at Manitowoc, Wisconsin Highway Department
Size: 4600px × 3058px
Location: Manitowoc, WI, USA
Photo credit: © Jerome Wilson / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 60, antique, caterpillar, classic, construction, continuous, county, crawler, department, equipment, highway, maintenance, manitowoc, road, roadway, sixty, track, tractor, vintage, wisconsin