Fitting Size for Replacement Master Cylinder Toledo Drum

Question

Question:

What size bore and outlet does this have?

asked by: Ethan R

0

Expert Reply:

Do you mean what size fitting does it attach to? Should be the standard 3/16 inch brake line fitting but maybe you are trying to use this for an alternate use.

expert reply by: Jameson C

0

Jameson C.

1/5/2026

Hey, did the 3/16-inch brake line fitting end up matching what you needed for your setup? Knowing how it worked out could help others trying to confirm the right bore and outlet size.

Answer 1

To replace your surge brakes there are a few things you'll need to know, the first being if you have drum or disc brakes. You can then choose the correct disc or drum brake assembly; you'll need to know your axle capacity and wheel size for…

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Answer 2

I went out to our warehouse and measured the Replacement Master Cylinder for Toledo Drum Brake Actuators #10614, and measured 3-1/2" between mounting holes, and the mounting holes are 7/16" in diameter. Attached is installation video, and a…

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Answer 3

Thank you for the photos. It looks like you've got an older version of the Toledo Actuator - 2-5/16" Bulldog Coupler - 6,000 lbs. #16039, which would make sense since the tag says 16030. The available replacement parts for this series of…

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Answer 4

The parts you listed will need to be compatible with what is on your M101A3 military trailer, rather than the trailer itself. For example, the Master Cylinder #10614 and Replacement Shock Absorber #1844-2 are for Toledo brake actuators; if that is…

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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

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 7

Hey Bryan, that's a good question. The pricing can definitely be misleading, but I wouldn't use it to judge the quality of the tire. A lot of that comes down to promotions, inventory, and whether you're looking at a tire by itself or…

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Answer 8

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 9

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 10

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 11

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 12

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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Fitting Size for Replacement Master Cylinder Toledo Drum

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