That plastic on JD small tractors and Gators is very soft. Just wiping your hand on a dusty hood will produce micro scratches. The manual recommends no abrasive polishes.
I would avoid any product that drys to a dust and products that contain petroleum distillates (car wax). The JD manual recommends using Pledge for the plastic parts.
I have used 303 protectant on my 4115 and Gator with good results. It hides those micro scratches a little bit a gives it a like-new appearance. You just can't maintain this plastic like a hard painted surface. Remember to "buff" it off with a VERY soft, non-abrasive cloth - some cheap cotton towels can actually produce scratches in this soft plastic.
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