Driving impression: Soucy/Collings Track System While the tracked Magnum shown at Agritechnica by Case IH was at the prototype stage, East Anglian Case IH dealer Collings Bros is already importing a front-and-rear track system from Canadian firm Soucy. Collings says that its unit can be fitted not just to Case IH machines, but to all tractor makes – and can be easily removed for other ag jobs