What is the Mounting Bolt Pattern for Electric Trailer Brake Assembly # 23-429

Question

Question:

Can i get the measurement to make sure matches my flange Im having troubles finding the right brake assembly thank you

asked by: Nathan

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Expert Reply:

Trailer brake assembly # 23-429 has mounting holes that are 3-5/8" apart on center side to side, 4-3/8" on center top to bottom, and 5 inches on center diagonally. The matching left hand side assembly is # 23-428.

expert reply by: Michael H

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Answer 1

The Dexter Electric Trailer Brake Assembly #23-429 & #23-428 have a center opening of 3-7/8" for fitting on the axle tube. It will mount to bolt holes that are 3-5/8" spread left to right and 4-3/8" top to bottom. I have included…

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Answer 2

Unfortunately, due to the unique pad size and brake assembly mounting bolt pattern used by a 7200 lb rated axle, the Dexter #23-429 (right side) and #23-428 (left side) are the least expensive (and the only) replacement brake assemblies we offer for…

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Answer 3

All of our 12-1/4 x 2-1/2-inch brake assemblies use a 4-bolt mount. These appear on the linked page. We have none with a 9-bolt flange mounting pattern. I did check with several of our install and technical staff and I learned that some brake…

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Answer 4

We have Dexter 8 on 6-1/2 Hub-and-Drum Assembly for 7,200-lb Axle - 9-Bolt and Newer 4-Bolt Brake Flange Item #8-393-6UC3-A. It uses inner bearing 25580 and outer bearing 02475. This hub is compatible with 12-1/4 by 2-1/2 inch brakes #23-428-429…

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Answer 5

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.

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Answer 6

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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Answer 7

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 8

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 9

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 10

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 11

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 12

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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