2011 ATP Challenger Tour | 2012 ATP Challenger Tour | 2013 ATP Challenger Tour | Space Shuttle Challenger | Space Shuttle Challenger disaster | tractor | Glomar Challenger | ''Challenger'' | Space Shuttle ''Challenger'' | Challenger expedition | Tractor | HMS Challenger | Dodge Challenger | Terence the Tractor | Mitsubishi Challenger | Fordson tractor | Challenger 1 | Captain Tractor | Bombardier Challenger 600 | 2009 ATP Challenger Tour | Vancouver Challenger (1993) | Vancouver Challenger | Union Pacific Challenger | The winner of South African Solar Challenge, "Tokai Challenger", Japan | SS St. Marys Challenger | Space Shuttle ''Challenger's'' | Space Shuttle ''Challenger'' accident | Samson Tractor | Little Red Tractor | HMS Challenger (1902) |
Its tractors have been sold worldwide under various brands: AGCO, Bolens, Challenger, Massey Ferguson and White.