3093 Dunbier Centreline Kit Including 20mm Square Leg Pair | Marine Trailer Part

🔧 Product Description

Dunbier Centreline Self-Centring Launch and Retrieve Kit with 20mm Square Legs - Part Number: 3093

A Dunbier centreline guide kit designed to improve retrieval by directing the keel toward the trailer centre as the boat enters the support system. The kit includes the centreline assembly with a pair of 20mm square-leg mounts and is designed to attach through compatible slide-frame mounts.

⚙️ Key Features

• Self-centring keel guidance

• Includes paired 20mm square-leg mounts

• Adjustable height and position

• Display-packaged retrofit system

• Reduces repeated ramp corrections during retrieval

📏 Specifications

• Leg section: 20mm square

• Mounting application: Dunbier 3252 slide-frame mount

• Kit quantity: One centreline system with left/right leg pair

• Roller and hardware contents are those supplied in the current package

🔄 Cross Reference & Related Parts

• Dunbier: 3093

• Compatible slide-frame mount: Dunbier 3252

• Glider self-centring kits: Dunbier 3108 and 3109

🚤 Trailer Compatibility & Application

• Suitable for compatible boat trailers with cross members and slide mounts that accept the 20mm legs

• Roller height must be set for the hull's keel depth and trailer geometry

• Not a substitute for properly adjusted side supports and keel rollers

🔌 Function

Provides an initial centreline target that guides the keel into the main roller or bunk system during retrieval.

Common signs of wear or replacement:

• Guide legs are bent or loose

• Rollers or blocks are worn

• Boat still enters consistently off-centre

• Slide mounts move on the cross member

• Guide contacts strakes or fittings instead of the keel

🛠️ Installation & Safety

• Install symmetrically about the trailer centreline

• Clamp to a structurally sound cross member

• Adjust with the boat partially loaded and safely supported

• Confirm the guide cannot damage the hull at full suspension travel

• Tighten all clamp hardware and recheck after ramp testing

📦 Condition

• Brand new Dunbier Marine Products trailer component

• Supplied as one complete centreline kit with a pair of 20mm square legs

• Supplied in original or equivalent packaging