Replacement for Atwood Surge Brake Actuator

Question

Question:

Atwood MPD 85778 - what replacement hitch should I purchase to replace the above hitch. Thank you

asked by: Pam Y

0

Expert Reply:

The Atwood MPD 85778 is not actually a model number for their actuator, it is a literature number - basically a manual number so I wouldn't be able to tell you what a direct replacement would be.

You will need to match your actuator to either drum or disc brakes, the weight capacity, coupler size and what size tongue it bolts onto.

For example, if you had disc brakes, a 3" wide channel tongue, needed a 7,000 lb capacity and had either a 1-7/8", 2" or 50-mm hitch ball a great option would be the Dexter # 099-175-20.

Meanwhile, if you had drum brakes, needed something with a heftier 12,500 lb capacity and had a 2-5/16" ball you would want the Titan # T2477600.

If you get back to me with what type of brakes you have, capacity you need, hitch ball size, where you are mounting it and if you need an electric lockout I'll be happy to get back to you. I have also added a link to our selection of actuators for you to take a look at.

expert reply by: Kyle S

0

John A.

4/18/2020

I need for drum breaks 6000lb 2ball

Reply

Chris R.

4/20/2020

For those specs we have either the Titan Bolt-On # T2480000 or the Weld-On # T2492800 Actuator that will work really well. These are 6,000 pound capacity couplers that accept 2" hitch balls and are designed for drum brakes on the trailer.

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Dave S.

7/16/2020

Hello eTrailer, Can you please give me the part number for an Atwood Actuator brake drum...3 inch tongue... 2 inch ball... 6000 lb. Thank you,

Reply

Chris R.

7/21/2020

Based on the specs you listed the Demco # 8605001 will work great as a replacement. Atwood no longer makes actuators so this will be your best option.

Reply

Answer 1

I am not aware of a bolt-on version of the Buyers Products Weld-On Safety Chain Retainer part #3375471000. However, if all you were wanting to do is mount your safety chains to the tongue of your trailer then you will just simply do so by running a…

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Answer 2

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 3

The Atwood master cylinder 85841 is no longer available. Atwood doesn't product any actuator components anymore so it's getting harder and harder to track down replacement parts. We do not have any other replacement units that would be…

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Answer 4

The Replacement Master Cylinder Assembly #T4395100 will not work to replace your Atwood master cylinder model 85841. Since replacement parts for your actuator are obsolete, your only option is to replace the entire actuator assembly. The Demco…

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Answer 5

Thanks for the pictures of your actuator Corey, I can see you have an Atwood coupler which like you mentioned is no longer available so it would be time to replace it with something current. Since you would prefer a manual lockout actuator (don't…

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Answer 6

I'm assuming you have hydraulic drum brakes and actually need the brake actuator. If that is the case, you're looking at either extending the tongue so you can bolt on an actuator like the #DX33FR or welding one on like the #DEX94FR. Both…

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Answer 7

I would be happy to help you. The Brake Actuator with Manual Lockout - Bolt On - Drum - 2" Ball - 7,500 lbs item #T4500600 you referenced is recommend to be mounted on a 3" wide tongue. It is an industry standard actuator and has an inside…

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Answer 8

According to my research, the Titan Aero 7500 and the 6000 Brake Actuating Couplers both use the same bolt pattern. To confirm this, you can compare the dimensions of the diagram I produced for you with the bolt holes on your trailer tongue.…

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Answer 9

In order to engage the reverse lockout on the Titan Brake Actuator with Manual Lockout part #T63FR you will need to insert the lockout tool which should be included, into the channel directly behind the coupler. I have pointed this channel out for…

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Answer 10

The distance between the mounting holes of the Dexter coupler part #DX56FR is 3 inches so it would bolt right up to your trailer. For a manual lockout you could use with this you'd want part #DX94FR. Standard brake line kits like the part #DM5424…

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Answer 11

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 12

The replacement I recommend for an Atwood Surge Brake Actuator 85778 is the Demco Hydraulic Brake Actuator part #DM62VR. It has the same ball size, offers a bolt-on install, and has a greater capacity. The only difference is it has an electric…

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Replacement for Atwood Surge Brake Actuator

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