An agricultural implement includes a frame and an adjustment system on the frame. The adjustment system includes a first component and a second component connected by a trunnion connection. The trunnion connection includes first and second opposed confronting trunnion blocks, each defining a hole therethrough, the holes being aligned one with the other. A trunnion shaft is disposed in the holes of the trunnion blocks and has ends extending beyond outer surfaces of the trunnion blocks. At least one end of the trunnion shaft defines an opening therethrough. End stops are provided at each end of the trunnion shaft, at least one of the end stops having a portion insertable into the opening. The end stops are larger than the aligned holes to prevent withdrawal of the trunnion shaft from the trunnion blocks.
