No, I am not sure why it broke. One of the parallel arms is snapped. I checked and I just need the seat base, but apparently they have changed the seat base mechanical bits, because they are requiring buying the entire assembly, sprints and all. At approx 400 bucks I am wondering if I can go to a better suspension (I am 215 which is at the top end of the weight rating for the seat.) I have the bigger springs, but more travel and air ride sound good, and my experience with bigger tractors is air ride is nice. My first option is to weld it back together, but ...