The reason I ask is the JD Man just replaced mine. When I bought Yardley (2010 X740) last June, the tool box lid was broken. My dealer was anxious to make it right, but between both of us being busy throughout the summer, it was just done last night. Throughout the summer mows, I wondered what I needed to put there, nothing that couldn't get very dirty, as it collected a lot of dirt. I know JD puts a leveler tool in the box and that makes sense, but for my mowing conditions the on board tool box is a place I need to remember to blow out with the air hose when the job is done. On my old quad I keep a spark plug and wrench plus some tire plugs, but these and anything else I might need, are only a couple of hundred of feet away in the garage. Maybe if I was mowing a couple of acres of lush grass it would make sense to carry stuff.