Challenger MT875C Tractor & 60ft Horsch Panther 460 Air Drill November 1, 2015 by farmlifetoday bigtractorpowerSun, November 1, 2015 12:23pmURL:Embed:Challenger MT875C Tractor and a 60ft Horsch Panther 460 Air Drill seeding winter wheat. http://www.bigtractorpower.com