# 3448-IMP Dunbier Winch Post 50mm Square Suits 76mm Drawbar Import | Marine Trailer Part

🔧 Product Description

  

Dunbier Import-Pattern Galvanised Winch Post 50mm for 76mm Drawbar - Part Number: 3448-IMP

  

A galvanised structural winch post with a 50 × 50mm section, designed to clamp or bolt to a 76mm-wide 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: 50 × 50mm

• Drawbar application: 76mm-wide 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: 50 × 50mm

• Drawbar: 76mm-wide drawbar

• Height/variant: legacy/import pattern

• Trailer application: matching import-pattern trailer

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

  

🔄 Cross Reference & Related Parts

  

• Dunbier: 3448-IMP

• 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 matching import-pattern trailer

• 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

## Details

- **Price:** 209.0 AUD
- **Vendor:** Dunbier
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 209.00 AUD | In stock |

## Images

- 3448-IMP Dunbier Winch Post 50mm Square Suits 76mm Drawbar Import | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3448-imp-winch-post-50mm-sq-suits-76mm-drawbar-import)
> Updated: 2026-08-05