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What is Difference Between Replacement Inner Members for Dexter A-60 Actuator  

Published 06/23/2026

Question:

DX99FR OR DX39FR ? I have a 2002 Extreme Trailer tandem axle with disc brakes on rear axle only, The actuator on it now is a UFP A-60. Which actuator would be the proper replacement?

0

Expert Reply:

Hey Brad, the difference between those two part numbers is that the part # DX99FR can work with up to two sets of brake axles and the part # DX39FR is for a single axle . How many axles does your trailer have?

expert reply by:
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Jameson C
Brad R. profile picture

Brad R.

6/23/2026

Two axles but only brakes on rear axle.

Jameson C. profile picture
Etrailer Expert

Jameson C.

6/23/2026

@BradR so you could use the # DX39FR then.
Brad R. profile picture

Brad R.

6/23/2026

This is a ski boat trailer. The boat and trailer combined weight is 4000lbs.
Jameson C. profile picture
Etrailer Expert

Jameson C.

6/23/2026

@BradR makes sense! The # DX39FR would be exactly what you are looking for then.

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