John Deere Torsion Spring – Part Specifications A118429: End Type (ALPHA) 22/37, Inside Diameter (mm) 63.6700, Wire Size (ALPHA) 8.4070, Working Range (UNITY) 90.0000, Maximum Load (lbf/in or N/mm) (Nm) 0.0000, Height (mm) 190.000, Number of Coils (ex. coil) (ALPHA) 4.2400, Material (ALPHA) A15-11, Finish (ALPHA) K-Painted. Fits the following John Deere models: Drill: 1590, 1890, 1895, 1990, N530, N530C, N530F, N536, N536C, N540, N540C, N540F, N542, N542C, N543F, N550, N560, N560F. This is a John Deere OEM part.