Things to Think About Before Acquiring a New Trailer Hub Cap When a center cap is damaged or diminished, it can trigger damages to the trailer wheel nut and prevent the nut from screwing onto the axle effectively. It can additionally allow rust to embed in on the strings of the trailer wheel nut, which can spoil the threads on the axle. To stop these problems, there are several things you can do before purchasing a brand-new trailer center cap. First, make certain you understand what sort of trailer center your trailer has. Different type of trailer hub caps fit on various kinds of trailer wheels. If you do not know what sort of trailer center your trailer has, ask a parts counter individual at the car dealership or get in touch with the manufacturer. You will certainly need to recognize if your trailer has Narrow or Identical pins as well as whether it utilizes an oil or oil hubcap. Next off, consider the stud dimension of your trailer center. The stud dimension is the variety of protrusions on the facility of the hub as well as the flange around the outside. A Dana Spicer hub, as an example, has eight 5/8″ studs and a 6″ flange; an Eaton hub has 8 3/4″ studs as well as a 5″ flange. Some makers use an unique layout that enables them to use a solitary 1/2″ stud instead of the common 5/8″ stud. You should likewise think about exactly how commonly you’re mosting likely to change your trailer center cap. If you’re a frequent vacationer, you could wish to think about an oil center. The advantage of an oil center is that as the center transforms, it coats the bearings with oil through centrifugal pressure. This aids stop the bearings from rusting as well as it can assist keep them lubed much longer. Nonetheless, you need to realize that an oil center can have some drawbacks too. Some professionals suggest that if you take a trip frequently with an oil hub, the constant rotation of the hub can trigger excessive heat and damage the real seal. There are also concerns that oil centers can leak if they’re dropped in water or if the wedge pin ends up being loose and also diminishes. Lastly, a post on BoatUS Trailering notes that a typical problem with dirt caps is that they blow off from repeated removals as well as re-adjustments of the wedge pins (to change bearings or grease). This can cause damage to the genuine seal also.