🕒 Mon–Fri 8:00 AM–5:00 PM CST  |  Sat 9:00 AM–3:00 PM  |  Sun Closed  |  How are we doing? Leave a review → 🕒 Mon–Fri 8:00 AM–5:00 PM CST  |  Sat 9:00 AM–3:00 PM  |  Sun Closed  |  How are we doing? Leave a review →
FAMILY OWNED & OPERATED

Adjustable Trailer Coupler 6 hole 3" Tongue Channel Hitch Bracket Bulldog (8978XL)

Need A Trailer Part®

$38.22
Running Low — Only 3 left
Ask a Pro

 

Adjustable Trailer Coupler Hitch Mount – 3″ Channel, 6-Hole Extended Bracket

Part Number / SKU: 8978XL
Heavy-duty adjustable trailer coupler mount with an extended 6-hole channel for extra vertical adjustment — ideal for Bulldog-style couplers, lunette eyes, or clevis hitch setups.

About This Product

The Adjustable Trailer Coupler Hitch Mount (8978XL) features a tall, six-hole channel bracket offering greater range of towing height adjustment than standard mounts. Designed for heavy-duty applications, this 3″-wide channel accepts multiple coupler styles including Bulldog®, lunette, and clevis types, ensuring level, secure towing for agricultural, industrial, and utility trailers.

Features

  • 3″ inside channel width fits most adjustable trailer couplers
  • Six precision holes spaced 2″ on center for maximum height range
  • Compatible with ¾″ diameter pins or Grade-8 bolts
  • Forged and welded heavy-gauge steel construction for long service life
  • Extended-length design provides finer coupler height adjustment
  • Black powder-coated finish protects against rust and corrosion
  • Ideal for farm, construction, and heavy-duty utility trailers

Specifications

Specification Detail
Part Number 8978XL
Type Adjustable Coupler Channel Mount (Extended)
Channel Width (Inside) 3″
Hole Pattern 6 Holes / 2″ On Center
Pin / Bolt Diameter ¾″
Material Heavy-Gauge Forged Steel
Finish Black Powder-Coated
Mount Style Weld-On or Bolt-On Adjustable Channel
Applications Bulldog®, Lunette, Clevis, and Adjustable Couplers

Fitment & Use

  • Fits 3″ adjustable couplers and standard channel hardware
  • Perfect for trailers requiring greater coupler height range
  • Used with Bulldog-style or clevis couplers for versatile setups

Note: Always verify trailer and hitch load ratings before use. Use only Grade-8 bolts or ¾″ pins, and check torque periodically for safe towing.


Explore our full range of adjustable couplers, mounts, and trailer hardware for any towing setup.