This high-quality Spring Brake Drum, part number 1890319M1, is designed to fit a variety of Massey Ferguson tractor models, ensuring optimal performance and safety. Compatibility includes the Massey Ferguson 100 Series (135, 165), 200 Series (230, 231, 235*, 240*, 245*, 250), 300 Series (340), and 500 Series (550). Please note that fitment may depend on the serial number of your tractor, so we encourage you to contact us for verification to ensure this part is suitable for your specific model. Upgrade your tractor's braking system with this reliable and durable Spring Brake Drum, perfect for maintaining the efficiency and safety of your agricultural equipment.