2012 Dunbier A1625GK Mackay Load-Share Springs 60 Wide x 7-Leaf (Offset) 3.5t | Marine Trailer Part

🔧 Product Description

Dunbier Load-Share Offset Spring 60mm × Seven-Leaf - 3.5-Tonne Set Application - Part Number: 2012

A 60mm-wide seven-leaf offset spring for Dunbier tandem load-share suspension systems rated to approximately 3.5 tonnes per complete matched set. The offset form works with the centre/equalising arrangement to distribute load between 13- or 14-inch-wheel tandem axles.

⚙️ Key Features

• Seven-leaf offset load-share spring

• 60mm spring width

• Dacromet or zinc-flake marine coating

• Designed for tandem load-sharing suspension

• Matched to 13- and 14-inch-wheel trailer applications

📏 Specifications

• Spring width: 60mm

• Leaf count: 7

• Complete suspension-set rating: Approximately 3.5 tonnes

• Common wheel application: 13- and 14-inch

• Published axle-centre reference: Approximately 860mm for the offset arrangement

🔄 Cross Reference & Related Parts

• Dunbier: 2012

• Mackay: A1625GK

• Nine-leaf 4.4-tonne centre spring: Dunbier 2008 / A1627GK

• Large fish plates: Dunbier 2022 or 2023

🚤 Trailer Compatibility & Application

• Suits compatible Dunbier/Mackay 60mm tandem load-share suspension

• Rating is for the complete axle-group spring set

• Verify front/rear/centre spring position before installation

🔌 Function

Supports and equalises tandem axle loads through the offset load-share spring geometry.

Common signs of wear or replacement:

• Spring arch differs from the opposite side

• One or more leaves are cracked

• Spring pack shifts around the centre bolt

• Tyres show unequal tandem loading

• Hangers or bushes show excessive movement

🛠️ Installation & Safety

• Mark spring position and orientation before removal

• Replace worn bushes, bolts, U-bolts and plates

• Align both axles before tightening suspension hardware

• Load-test and verify ride height after installation

• Do not mix mismatched spring ratings within the axle group

📦 Condition

• Brand new Dunbier Marine Products trailer component

• Supplied as one 60mm-wide seven-leaf offset load-share spring

• Supplied in original or equivalent packaging