I think the 300 is a one ton the 200 is considered a sweptline 3/4 ton. At least the ones I have had were that way and a 300 have different fenders that are wider. I will try to find a picture of my d300 The w300 is 4 wheel drive
I can't make out the badge on the grill. It does have the PTO... Was that an option on the 3/4 ton? Been digging the internet looking for information, but not a lot out there that I've been able to find