3457 Dunbier Heavy-Duty Winch Post 100 x 100 Suits Alloy 100 Wide Drawbar | Marine Trailer Part

🔧 Product Description

Dunbier Heavy-Duty 100 × 100mm Winch Post for Alloy-Trailer Drawbar - Part Number: 3457

A galvanised structural winch post with a 100 × 100mm section, designed to clamp or bolt to a approximately 100mm-wide alloy drawbar. It supports the winch and bow carrier at the height and angle needed to pull the boat securely into its bow stop.

⚙️ Key Features

• Post section: 100 × 100mm

• Drawbar application: approximately 100mm-wide alloy drawbar

• Galvanised marine-trailer construction

• Supports compatible manual or electric winch carrier

• Adjustable mounting position along the drawbar

• Replacement for bent or corroded original post

📏 Specifications

• Post section: 100 × 100mm

• Drawbar: approximately 100mm-wide alloy drawbar

• Height/variant: trailer-specific

• Trailer application: Dunbier alloy trailer platform

• Winch, carrier and mounting U-bolts are not included unless stated

🔄 Cross Reference & Related Parts

• Dunbier: 3457

• Matching carrier family: 3458-3500 according to post section

• Plastic cap family: 3452, 3453 and 3454

• Winch and bow roller are sold separately unless stated

🚤 Trailer Compatibility & Application

• Suitable for Dunbier alloy trailer platform

• Post section and base-plate hole pattern must match the drawbar

• Bow-eye height and winch line must be aligned before tightening

🔌 Function

Carries the winch and bow stop so the retrieval load is transferred into the trailer drawbar.

Common signs of wear or failure:

• Post is bent or leaning

• Base plate or welds are cracked

• Mounting holes are elongated

• Deep corrosion reduces wall thickness

• Winch line does not align with the bow eye

🛠️ Installation & Safety

• Support the boat and unload the winch before replacement

• Use rated U-bolts or high-tensile bolts

• Set the post angle so the bow roller supports the bow without excessive force

• Align the winch strap or cable with the bow eye

• Recheck all fasteners after the first retrieval

📦 Condition

• Genuine Dunbier Marine Products part

• Brand new

• Supplied as one galvanised trailer winch post

• Supplied in original or equivalent packaging