Measurements of Demco Hydraulic Brake Actuator at Openings for Trailer Frame

Question

Question:

I know this fits a 50 degree a frame trailer hitch. Can you tell me the dimensions at the narrow and wide part of the a frame.

asked by: Rex S

0

Expert Reply:

The Demco Hydraulic Brake Actuator # DM8609502 measures 4 inches at the smaller opening and 15.313 inches at the larger opening. This actuator is for drum brakes, is rated for 8,000 pounds towing, and is made in the USA.

expert reply by: Charles S

0

Answer 1

Basically you need to lock the outer sleeve of the Demco Hydraulic Brake Actuator #DM8609502 to the inner sleeve to prevent the two from moving. You could run a large bolt through all of the pieces to allow this to happen or some will weld the pieces…

view full answer...

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…

view full answer...

Answer 3

Demco Hydraulic Drum Brake Actuator #DM8609502 is a standard 50-degree A-frame coupler-actuator rated for 8000-lbs trailer weight as you noted. It has a primed finish and is intended for weld-on installation. I went to our warehouse and measured the…

view full answer...

Answer 4

In terms of capability the Dexter DX7.5L A-60 Brake Actuator w Electric Lockout - Bolt On - Disc - 2" Ball - Zinc - 7.5K #DX89FR is a good replacement option. The problem is the design of your old TDE LP7000 which was installed inside the tongue…

view full answer...

Answer 5

For a lighter A-frame trailer to add a surge brake setup the best option is the part #T2492800 which has a 6k capacity. But as long as you have properly rated brake assemblies on your trailer it will still work fine on a 2,000 lb trailer. I attached…

view full answer...

Answer 6

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

view full answer...

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…

view full answer...

Answer 8

Hey Al, so we have a solution but since disc brakes require a higher PSI than drum the #DM62VR would not work on drum brakes. Instead you'd want to go with the part #DM72VR which is basically the exact same thing but made for drum brakes. You can…

view full answer...

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…

view full answer...

Answer 10

Hey David, from previous customers of ours who have the same 2020 Keystone Raptor 424 we have determined that your pin box style is the Lippert 1621 which means for a Gen-Y gooseneck adapter you'd want the #GY58GR that you referenced.

view full answer...

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.

view full answer...

Answer 12

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

view full answer...

Measurements of Demco Hydraulic Brake Actuator at Openings for Trailer Frame

Product Page this Question was Asked From

Continue Researching