Attached are some photos of these dimensions for the Curt Trailer Hitch Receiver # C13133 that you referenced.
Here is a list of the vehicles that this hitch fits:
2009 - 2017 Volkswagen Tiguan
2017 - 2018 Volkswagen Tiguan Limited view full answer...
The width of the Softride Tailgate Pad Bicycle Transporter # SR26461 that you referenced is 54 inches.
You will want to measure the tailgate of your 1995 Toyota T-100 to determine if this would be the correct size for you.
I attached a review video for this product for you to check out. view full answer...
I went out to our warehouse to take some measurements of the Curt Solid Steel Hitch Bar # C49524 with a digital caliper.
I measured a wall thickness of 0.162 inches and an outer dimension on the tube of 1.58 inches. Keep in mind that minor manufacturing variances means that a 1-1/4 inch receiver opening is rarely ever exactly 1-1/4 inches. You can be confident though that it will work perfectly with any 1-1/4 inch hitch-mounted accessory. view full answer...