Brake Solenoid for 85738 Atwood Surge Trailer Brake - Replace With

Question

Question:

I have the following attwood brake Master cylinder and need a new brake soleonid .. Is this brake soleonid available or which article number could I use as an alternative. It is only important that the new soleonid brake fulfills the same function and fits 1 to 1 in my brake master cylinder. (A-Frame GVWR 7100 lb)

asked by: Martin

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Expert Reply:

Atwood Mobile Products was sold several years ago and parts for their braking systems are no longer available, but I do have a solution for you.

Your 2006 Dorsey Trailer (23' Chaparral Model) has a GVWR of 7100 pounds. You can replace the surge brakes with the Titan # T1607500 A-Frame Brake Actuator, rated for 7500 pounds. This unit will weld on and connect to 2-5/16” hitch balls. It is fully zinc coated and includes breakaway kit.

Below I have attached a link to this product and a video review.

expert reply by: Les D

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Answer 1

Since the Atwood actuator line was discontinued, the Titan Zinc-Plated Brake Actuator #T43397007K has been one of the most popular replacements for it. This is rated up to 7,000 pounds and can accept both 1-7/8" and 2" balls, so it is a…

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Answer 2

It sounds like you have 1 of 2 things going on. Either your tire is making contact with your trailer frame which is causing it to smoke, or you don't have enough grease on the inside of your hub so your bearings are causing all of that smoke. If…

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Answer 3

I would be happy to help! The option I recommend is the Titan Zinc-Plated Brake Actuator - Drum - Multi-Fit Ball - Bolt On - 7,000 lbs #DX27FR which is a model 60 actuator like you were wanting and will bolt on to your 3" wide tongue. This…

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Answer 4

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 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

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

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Answer 7

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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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

Are you basically asking how much length would this coupler add to the tongue of your trailer?

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Answer 10

Hey Al, this is a great question but since you have free-backing plates now you would never need to mess with the manual lock out of your Atwood coupler.

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Answer 11

Your surge coupler will have either a sticker or an engraving on it, typically near where the coupler is located. If you can get me that information and what you're needing to replace on it I'd be more than happy to help you find what…

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Answer 12

Unfortunately the Atwood 85736 cannot be replaced so you'd actually need an entirely new actuator. The closest replacement we have is the Demco Hydraulic Brake Actuator #DM72VR. This actuator has a gross towing weight capacity of 7,000-lbs, a…

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