Hardware for Installation of Dutton-Lainson Quick-Lock Coupler
Updated 01/27/2026 | Published 12/31/2025
Question:
What type of bolts need to be installed with this coupler?
asked by: Paul
0
Expert Reply:
Hey Paul! The Dutton-Lainson Quick-Lock Coupler # DL53XR installation instructions only say to use the largest possible bolts that fit the holes. The holes are 1/2" and I would use grade 8 bolts.
What kind of trailer do you have?
expert reply by:
Robin H
0
Installation Instructions
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23950 Dimensions
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Product Page this Question was Asked From
Dutton-Lainson Quick-Lock Coupler - 2 in Ball - 3 in Tongue - Class 3 5,000 lb - Zinc TUFFPLATE
- Straight Tongue Trailer Coupler
- Standard Coupler
- 2 Inch Ball Coupler
- Bolt-On
- Weld-On
- 5000 lbs GTW
- 3 Inch Channel
- Trigger Latch
- 2-Bolt
- Marine Grade
- Dutton-Lainson
more information >
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Robin H.
1/27/2026
Hey Paul, how did things go with the Dutton-Lainson Quick-Lock Coupler once you used the grade 8 bolts? Your update could make it easier for the next person working on a similar trailer setup.