OutdoorKing Repair Forum Forums Repairs and Maintenance Questions On Ride On Mowers Questions On Cox Ride On Mower Frames Cox Lawn Boss 13.5hp Mower - Wheel Removal

In the manual for my Cox they say to leave the mower on the ground and use a large block of wood and a big hammer to hit the axle end once you have removed the retaining nut. Although my model uses a nut rather than a circlip it may well still apply for your model.