This genuine New Holland 84100753 filling washer is specifically designed for right-angle gearboxes, including the FX 135-150mm models found in various New Holland FX series forage harvesters. It provides a critical seal to maintain fluid levels and prevent leaks, essential for the efficient operation and longevity of the gearbox. With an outer diameter of 32mm, an inner diameter of 22mm, and a thickness of 1.5mm, this OEM washer is a direct replacement for models such as FX20, FX25, FX28, FX30, FX38, FX40, FX45, FX48, FX50, FX58, FX60, FX300, FX350, FX375, FX400, FX450, FX500, and FX600.