The typical tools for repacking bearings are a seal puller, bearing packer, and grease gun. I recommend the following:
-Seal Puller # PTW1219
-LubriMatic Deluxe Bearing Packer # L70025
or
-Powerbuilt Deluxe Bearing Packer # ALL647646
-LubriMatic Professional Pistol Grease Gun # L30416
If you need grease I recommend the LubriMatic LMX Industrial Strength Grease # L11390. This is a lithium complex so you will need to make sure that the new grease is compatible with the old grease... view full answer...
The difference between a D15 tire and an R15 tire is the construction. The D denotes that it's a bias tire and the R is for a radial tire. Which is best for you depends on the type of terrain you're towing the trailer on because bias tires have a thicker sidewall making them better for off-road travel where radials run cooler and have better ground contact making them ideal for highway use.
Among our selection if you're going with a bias tire I recommend Kenda # AM1ST92. It's the same... view full answer...