2023 Dunbier A1686G Mackay Large Spring Fish Plate Galvanised Suits 16mm U-Bolts | Marine Trailer Part

🔧 Product Description

Dunbier Large Galvanised Fish Plate for 60mm Load-Share Springs and 16mm U-Bolts - Part Number: 2023

A heavy galvanised lower spring plate for 60mm-wide Dunbier load-share suspension. It clamps the spring pack and axle assembly using approximately 65mm internal-width, 16mm-diameter U-bolts and is sized larger than the standard 45mm slipper-spring plate.

⚙️ Key Features

• Heavy-duty galvanised construction

• Suits 60mm-wide load-share springs

• Designed for approximately 65mm internal-width, 16mm-diameter U-bolts

• Four-hole axle-clamping plate

• Used on high-capacity tandem suspension

📏 Specifications

• Spring width application: 60mm

• U-bolt application: approximately 65mm internal-width, 16mm-diameter U-bolts

• Mackay reference: A1686G

• Hole spacing must match the selected U-bolts

🔄 Cross Reference & Related Parts

• Dunbier: 2023

• Mackay: A1686G

• Standard 45mm spring plate: Dunbier 2020

• Load-share springs: Dunbier 2008 and 2012

🚤 Trailer Compatibility & Application

• Suits compatible Dunbier 60mm load-share suspension

• Choose 2022 or 2023 according to the axle and U-bolt dimensions

• Not interchangeable with the standard 45mm plate

🔌 Function

Distributes U-bolt clamping load across the heavy load-share spring pack and secures the axle to the suspension.

Common signs of wear or replacement:

• Plate bends or cracks

• Bolt holes elongate

• U-bolts no longer seat squarely

• Axle moves on the spring

• Deep corrosion reduces plate thickness

🛠️ Installation & Safety

• Use new U-bolts and locking nuts

• Align the axle and spring centre before tightening

• Torque progressively and evenly

• Verify plate does not contact moving suspension parts

• Re-torque after initial loaded travel

📦 Condition

• Brand new Dunbier Marine Products trailer component

• Supplied as one large galvanised spring fish plate

• Supplied in original or equivalent packaging