Shock, Master Cylinder Rebuild Kit, and Pushrod Assembly for Demco DA603

Question

Question:

Hello, I have a Demco DA603 drum brake actuator on my boat trailer. I am looking for a replacement hydraulic cylinder as well as the damper, spring etc. which should be looked at while replacing components. Are you able to point me in the right direction? Thx,

asked by: Ryan S

0

Expert Reply:

The correct replacement shock is the part # DS12426, the master cylinder repair kit is part # DM24ZR, and for the pushrod assembly part # DM74ZR.

expert reply by: Jameson C

0

Answer 1

Hey Jacob, I have a replacement for you that could work but we unfortunately don't have an actuator that has a built in swing-away adapter. If you go with the Dexter DX7.5L A-60 Brake Actuator w Electric Lockout #DX56FR you can weld on a…

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Answer 2

Hey Shaun, thanks for reaching out! The Dico Replacement Master Cylinder for Model 60 Actuator 23361 was replaced by the Replacement Master Cylinder Assembly #T4395100 so you'll want this instead of the Demco #DM24ZR you were looking at.

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Answer 3

Hello Mike, Thank you so much for supplying the picture. I was able to zoom in and confirm that you have an A-60. The Dexter DX7.5L A-60 Brake Actuator - Bolt On - Drum - 2" Ball - Zinc - 7,500 lbs #DX27FR is the correct one for you. You will…

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Answer 4

Hey Chad. You can replace just the Inner Member of your Dexter DX7.5L #DX27FR with #DX99FR to convert it to hydraulic disc brakes. You don't need to replace the entire thing.

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Answer 5

The Fulton A60 Surge Brake Actuator is obsolete so you'll need to replace the entre unit for which I recommend using the Demco Hydraulic Brake Actuator part #DM72VR for drum or part #DM62VR for disc. The Demco actuator has a 7,000 lb rating which…

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Answer 6

For a replacement I recommend the Dexter DX7.5L A-60 Brake Actuator #DX27FR. The swing-away actuators like your old A60 have been discontinued, along with replacement parts, so this is the best solution. This features a 7,500 lb trailer capacity,…

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Answer 7

For as trashed as those brake assemblies are I am impressed with how spotless that spindle is! Based on the bearing numbers you mentioned you have a #84 spindle and the hub part #AKHD-545-35-G-K is correct. Since this its galvanized it's a really…

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Answer 8

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 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 11

The Demco Hydraulic Trailer Brake Actuator part #DM72VR should be a direct replacement for the Atwood 61101 Brake Actuator that you have now. This newest updated it rated at 7K instead of 6K. This is a bolt on option that mounts on 3" centers.…

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Answer 12

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Shock, Master Cylinder Rebuild Kit, and Pushrod Assembly for Demco DA603

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