Case IH Maxxum 145 CVX Tractor 2017 1:32 scale Universal Hobbies Diecast Model This Case IH Maxxum 145 CVX Tractor (2017) diecast model is red & features working wheels, front linkage. It is made by Universal Hobbies & is 1:32 scale (approx. 14cm / 5.5in long).