What is the Mounting Hole Spacing of the Dutton-Lainson A-Frame Boat Trailer Jack w/ Wheel DL74MR?
Updated 06/15/2026 | Published 06/11/2026
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Question:
What is the hole spacing on the triangular mounting plate for this jack? I need to see if it will fit my existing mounting plate. Thanks!
asked by: Randall M
Expert Reply:
Hey Randall. The Dutton-Lainson A-Frame Boat Trailer Jack w/ Wheel item # DL74MR has a 3" on center bolt pattern, which is standard for an A-Frame jack. The outer tube diameter is 2". It has 15" of travel, a 1,000 lbs weight capacity, and a 6" caster wheel.
What kind of trailer do you have?
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Product Page this Question was Asked From
Dutton-Lainson A-Frame Boat Trailer Jack w/ Wheel - Sidewind - 15" Lift - 1,000 lbs
- Trailer Jack
- Boat Trailer
- Utility Trailer
- A-Frame Jacks
- Sidewind Jack
- 0 - 1000 lbs
- Manual Jack
- 15 Inch Lift
- Bolt-On
- With Wheel
- Dutton-Lainson
more information >
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A. R.
6/15/2026
Trailer jack works perfectly, however mine is mounted to close to the front and tailgate will hit it.