90 Stretch fifth wheel（12mm-20mm）

Suitable for heavy-duty vehicles anddump trucks ranging from 100T to 300T.Overall stretching with oil grooves forgedinto shape.The top plate is made of high-strengthmanganese steel with thicknessesranging from 12MM to 20MM,pressedinto shape by a 5000T oil press.Overall strength increased by 80%; theedges are folded over, providingsmoother rotation, enhanced service life,and preventing jamming with thedrawbar.Robotic welding for superiorperformance.Self-locking.Surface treatment.