Case IH 340 MAGNUM Tractor June 17, 2014 by farmlifetoday bigtractorpowerTue, June 17, 2014 5:30amURL:Embed:Case IH 340 MAGNUM Tractor on grain cart duty with a J&M 1151 Grain Storm Grain Cart hauling wheat away from a Case IH 8230 Axial-Flow Combine.