This genuine Landini 978781M1 spring is an original equipment manufacturer (OEM) part, also cross-referenced as Massey Ferguson 978781M1. It features a length of 95mm and an outside diameter of 51mm, with a weight of 0.12kg. This spring is compatible with various Landini tractor models including the 6560, 6860, 7560, 7860, 8560, 8860, 9060 series, and their L, F, V variants. It also fits a wide range of Massey Ferguson tractors from the 300, 3000, 3100, 4200, 4300, 6100, 6200, 8100, and 8200 series.