The size difference between the two sizes you mentioned of 235/80-16 and 235/85-16 are so close that going to the larger size is a great idea. They both fit the same wheel dimensions as well.
Check out the Westlake Tire part # LHWL410. This tire has a weight capacity of 4,400 lbs at 110 psi, a 75 mph speed rating and comes with a 2 year roadside assistance program.
If your RV or trailer has a flat tire, call the help line and a technician will come change the flat for you. You can call... view full answer...
Technically you could reuse your 18 tooth gear on the Lippert Components 2.5 x 2.5 Heavy Duty RV Slide-Out Gear Pack # LC123356, but if you're replacing the gear pack the gears themselves should probably also be changed. You can use the Replacement 18-Tooth Gear for Lippert RV Slide Out # LC122739 to swap the 15 tooth gears out for some 18's. view full answer...
The torque of U-bolts for 3,500 lb axles such as the 95" long Dexter Trailer Axle Beam # 7359765 or 89" long Dexter Trailer Axle Beam # T3584F-EZ-8974 depends on the diameter of the U-bolts.
I have cut out a part of our help article on trailer suspension which shows the typical torque depending on the U-bolt size; for example, if you used the U-Bolt Kit for Mounting 3,500 lb, Round Trailer Axles # APUBR-1 you would torque the 1/2" bolts of this kit to between 45 ft/lbs and 70 ft/lbs.
I... view full answer...