Replacement Inner Member for Trailer Surge Coupler Marked XR84
Updated 10/22/2025 | Published 03/27/2025
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Question:
Which inner member surge brake hydraulic actuator is the correct replacement for a dual axle 3.5k each trailer with solenoid lockout?The old part is stamped XR84.
asked by: Jay M
0
XR84 Coupler
(click to enlarge)
(click to enlarge)
Expert Reply:
Hey Jay, thanks for all of the info and your picture. Based on seeing that the correct replacement inner member is the part # DX78CR.
expert reply by:
Jameson C
0
Product Page this Question was Asked From
Dexter DX6.6 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 6,600 lbs
- Brake Actuator
- Surge Brake Actuator
- Farm Trailer
- Boat Trailer
- Construction Trailer
- Travel Trailer
- Utility Trailer
- Bolt-On
- 6600 lbs GTW
- 2 Inch Ball Coupler
- 3 Inch Channel Tongue
- Disc Brakes
- Electric Lockout
- Dexter
more information >
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Jameson C.
10/22/2025
Hey Jay, how did the replacement inner member work out on your dual axle trailer? Knowing how the DX78CR fit and performed could really help others replacing the XR84 actuator.