I have a '98 Ranger XLT, extended cab, 4 x 2, 3.0 litre V-6 with 4-seed automatic transmission. I want to purchase a pop up trailer, but I'm unsure of the towing capacity for my vehicle. On the bumper it says: max tongue load 200 lbs, Max Gross Trailer Weight 2000 lbs. However, it says these...