Johnson Tractor - Janesville Farm Equipment Contact Information Phone: (608) 756-1257 Address: 1110 N, US-14, Janesville, Wisconsin 53546 Get Directions About Johnson Tractor – Janesville is a farm equipment sales company located in Janesville, WI. Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Claim Listing Recently Viewed: Loading... Next