Buying a Trailer Hub Cap When purchasing trailer hub cap, there are a couple of things to take into consideration. For one, like any type of other truck parts, there is a range of styles that will certainly match with your truck and create a worked with appearance. There are also a variety of extra accessories that you can acquire to improve your trailer. These include axle covers, aero covers, wheel simulators and also even more. Some individuals purchase dust caps to maintain the aspects away from their trailer bearings. These can be an excellent concept, as well as they are fairly inexpensive. The trouble is that they can become damaged, typically when removing them to inspect or regrease the bearings. In a lot of cases, the cotter pins that hold them in position might come off. If the cotter pin is not effectively established, it can scrub versus the inside of the dirt cap and push it off. A far better alternative for safeguarding your bearings is to purchase oil-lubricated hubs. Numerous suppliers, including EZ Loader and also Ranger, make these. They work by dipping the hubs in oil that is circulated by centrifugal force as the trailer wheel rotates. Some professionals think this method of lubrication will last longer than oil, and it is simple to inspect the level by looking at the oil color (milklike suggests water). One more benefit of these centers is that they are easier to relubricate. It is recommended that the lubrication be finished with an automatic hand grease weapon instead of a pneumatically-driven or auto-greaser, which can apply excessive pressure. The excess pressure can flaw the real seal on the bearing and cause the dirt cap to blow off. One drawback to using oil centers is that they can create troubles if your trailer rests for extended periods of time. The oil will often tend to clear up versus the lower fifty percent of the bearing assembly, leaving it prone to contamination from water. This will not occur with a grease-lubricated hub. Likewise, some owners locate the oil dries up, producing a tough crust that can be hard to eliminate. Thankfully, Tiedown Engineering offers a system that can convert an oil-lubricated trailer center to a grease-lubricated unit. This was a 2001 Marine Aftermarket Add-on Exhibition Innovation Award victor. Kodiak Trailer likewise makes a comparable item called TurboLube. It is a two-part system that secures the internal part of the hub with an outer component that rotates with the center to maintain the oil flowing.