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Hello everybody. This is Jeff at etrailer.com. Today, we're gonna take a look at this Dexter 12 1/4 inch by 2 1/2 inch left-hand, driver's side self-adjusting electric trailer brake assembly for 8,000 pound axles. Now, electric brakes are easier to install. They offer more user control than hydraulic brakes. Basically, they'll require only an electric brake controller, which we do sell separately… see more >
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Typically a Dexter 7k axle will have a diameter of 3 inches and an 8k axle will have a diameter of 3-1/2 inches. The thicker the axle the more weight it can handle. There really isn't an advantage to going with higher capacity leaf springs than…
view full answer...Disc brakes have to have a hydraulic element to activate them which means there isn't strictly an electric only option. What you'll want is an electric over hydraulic setup which gives you the adjustability of electric brakes but also the…
view full answer...The main reasons why trailer tires blow out is heat generated from under inflated tires and overloading the tires. Trailer tires should be inflated to the maximum psi indicated on the tire. A tire in the same size but with a higher ply rating would…
view full answer...Yes, 13 inch galvanized steel wheels do have weight limits. For example, the Dexstar Steel Spoke Trailer Wheel, part #AM20234, that you referenced has a weight limit of 1660 lbs at 65 psi. Other rims will have other weight limits based on their…
view full answer...The 4 bolt brake mounting flanges are used on axles up to 3,500 lbs. If the axle is any larger then it will likely use a 5 bolt flange. There is one exception to this which is select 4,400 lb axles. That said, you cannot use 4 bolt brakes with 5 bolt…
view full answer...The thickness of the tube is not any different as they are both 3 inch diameter, and the spindles are also the same utilizing the same inner diameter bearings, hubs, and seals. The difference in capacity is in the custom bend in the axle that creates…
view full answer...We only carry the Dexter Electric Trailer Brake Assemblies Left #DX25QR and Right #DX52QR for your Dexter axle. We do not carry the replacement lever, magnet or hardware separately for these brake assemblies.
view full answer...In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.
view full answer...According to Dexter Axle, the attachment bolts for a 12 x 2 brake assembly should be torqued to 25-50 foot/lbs. If you don't have a torque wrench handy, if you tighten the bolts until the lock washers flatten out, you'll be pretty darn close…
view full answer...No, it does not matter which wire you use for the ground and which is used for power when wiring electric brakes. Each can be used for either purpose.
view full answer...You should have continuity between the 5 o'clock brake output pin and 7 o'clock ground pin in your 7-way connector with the brakes applied. I recommend turning the trailer brake controller to its max setting and having someone apply the…
view full answer...According to Dexter, the nut should be torqued to between 45-70 foot lbs. If you don't have a torque wrench close at hand, Tighten the bolts until the lock washer flattens, which will put you really close to the correct torque. We offer 4 nuts…
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