What Is The Bolt Hole Spacing On The Bulldog Heavy-Duty Cast Head Coupler BD43805W0317?

Updated 09/29/2025 | Published 09/09/2025

Question:

what is the center to center of the bolts holes where it bolts on to the tongue?

asked by: John J

Expert Reply:

Hello John, thanks for reaching out. I went out to our warehouse and measured the Bulldog Heavy-Duty Cast Head Coupler # BD43805W0317. The bolt holes are 3" apart on center. I edited a picture for you. The 3" hole spacing is standard for couplers.

What kind of trailer is this going on?

expert reply by: Jesse M