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Another critical aspect of the Magnum's improved strength over the previous T-56 is the radically bolstered one-piece countershaft (shown on right). Strength benefits are obvious and abundant. This larger shaft not only resists distortion far better than previous designs (shown on the left), but also prompted the use of larger bearings in all critical support areas for increased stability. You can also see the increased face widths on the T-56 Magnum gears.