Measuring 49.38 x 19.40 in., John Deere 300/400 Series Weld-on Plate is formed from 5/16 in. steel and is designed to be welded to existing attachments, allowing them to be used with John Deere 300/400 Series loaders that use JD attaching system. Plate features steel cast upper hooks and welded locking pins spaced to OEM specifications, ensuring proper fit when welded to buckets or attachments.