Replacement Drum Brake Actuator for a 1995 4 Winns Model 3916 Trailer  

Question:

Expert Reply:

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.

I'm not exactly sure what model actuator your trailer came with but This one has the bolt holes measuring 3" apart on center and it fits a 3" wide channel tongue so if those specs match what you have then this will fit like a glove!

expert reply by: Jon G

0

Richard T.

4/12/2024

Thanks for that information, I notice your recommendation doesn’t have a lockout option; does this mean I’ll need to put different brake drums on?

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Jon G.

4/13/2024

@RichardT You can either swap out your brakes to ones that have the free-backing feature, or you can add the Solenoid # T4748800 and Solenoid Cover # T4835800183 to this actuator to have an electric lockout system.

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Richard T.

4/15/2024

@JonG and what free backing hubs would work?

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Jon G.

4/15/2024

@RichardT For a 3.5K axle you need the Hydraulic Brake Kit # AKFBBRK-35-D, and for a 5.2K - 7K axle you need the Hydraulic Brake Kit # AKFBBRK-7-D.

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Richard T.

4/15/2024

@JonG, trailer is marked GVWR/GAWR 4740Lbs; Current drums are 12"; Axle box section measures a bit over 2" front to back and 3" top to bottom. So I assume this is a 5.2K but not sure. Would you go with the 5.2K drums in this instance?

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Jon G.

4/15/2024

@RichardT Yes, the 5.2K Brake Kit # AKFBBRK-7-D will need to be paired with the 5.2K Hub and Drum Assembly # AKHD-655-6-EZ-K, which both have that 12" diameter you referenced. Your trailer should have the standard bearing kit installed but I do recommend verifying the following matches what your current drum has: - Inner Bearing 25580 - Outer Bearing 15123 - Grease Seal ID 2.25" and OD 3.376"

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