Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
Model number of the unit. What cutter do you mean? The complete deck assembly? ut on the spindle pulley? 7/8 or 15/16 socket, and a six point works best to not strip the nut, and it is standard thread. An electric impact for removing tires does a great job on removing the nuts for pulley and blade replacement.
Tag on the side of the frame, near the engine end. This is small deck with a single blade? Deck size?
Ok, now what do you want to do , replace the blade? Here is the parts link with numbers.below.