It is not recommend to mix tire sizes on a trailer, as it will cause the trailer to sit unevenly and put additional pressure on one axle.
Now in addition your ST175/80R13 tires are radials where the ST185/80D13 are bias ply and these should not be mixed either. These tires have different ply designs and handling characteristics and mixing them on the trailer will cause a very unpleasant and unstable towing experience.
I recommend going ahead and purchasing a ST175/80R13 spare as it is... view full answer...
When a trailer weight is more than 50% of your vehicle weight a weight distribution system is recommended. This will not only help with any possible rear sag on your Tacoma, but the greatest impact will likely be in the sway control. The light trailers with big wind gusts and passing vehicles can have you white knuckling your steering wheel quickly.
My recommendation for your trailer and truck is the Reese Strait-Line Weight Distribution System w Sway Control # RP66083. This is the... view full answer...
You could use a set of quick disconnects like part # DL24085 to make disconnecting from your trailer battery easy. You would just wire the power and ground to each of the terminals and then it would be good as-is. view full answer...
Since the correct measurement for picking out an Adco RV Cover is 15 foot 5 inches the correct Adco RV Cover would be the part # 290-52239 that you initially mentioned. view full answer...
Okay, we can get you set up here with the right weight distribution hitch for your Jayco Jay Feather and lifted Tundra, though you will want to go with a different option than the Blue Ox you mentioned. The reason is that hitch is for loaded tongue weights of between 750 lbs and 1,000 lbs, and your Jacyo with a 4,750 lb GVWR will have a loaded tongue weight in the 600 lb range or so. And using a system rated too highly will result in a very rough, bouncy ride, which is something you'll... view full answer...
The exterior length of your Jayco Jay Feather Ultra Lite Travel Trailer X23B is 24-1/2 feet which means the correct size Classic Accessories PolyPro III Cover is the part # 052963734638. The one you mentioned would be too short. view full answer...