1620G Dunbier Axle Saddle Galvanised | Marine Trailer Part

🔧 Product Description

Dunbier Galvanised Square-Axle Saddle – Part Number: 1620G

A galvanised spring saddle used to locate a compatible square axle on a leaf-spring suspension. The saddle provides the flat spring seat and centre-bolt location required to position the axle correctly before the U-bolts and fish plate are tightened.

⚙️ Key Features

• Galvanised finish for marine trailer service
• Formed seat for compatible square axle beam
• Centre location for the leaf-spring centre bolt
• Used with matching U-bolts and lower fish plate
• Individual replacement saddle

📏 Specifications

• Application: Square trailer axles
• Finish: Galvanised
• Exact beam width and centre-hole size must match the axle and spring

🔄 Cross Reference & Related Parts

• Dunbier: 1620G
• Display-packed pair: Dunbier 1620GC
• Round-axle saddle: Dunbier 1621
• Related U-bolts, nuts and fish plates must match the axle beam

🚤 Trailer Compatibility & Application

• Suitable for compatible Dunbier square-axle suspension assemblies
• Not suitable for 39mm round axles
• Spring width and axle size must be verified before welding or clamping

🔌 Function

Locates the axle on the spring and distributes clamping load from the U-bolt assembly.

⚠️ Common Signs of Failure

• Saddle is cracked, bent or deeply corroded
• Centre hole is elongated
• Axle has moved on the spring
• U-bolts no longer seat squarely
• Welded saddle has separated from the axle

🛠️ Installation & Safety

• Axle alignment should be set by a competent trailer technician
• Replace U-bolts rather than reusing stretched or corroded hardware
• Position the spring centre bolt fully in the saddle hole
• Tighten U-bolts evenly to the specified torque
• Recheck alignment and U-bolt tension after initial road use

📦 Condition

• Brand new Dunbier Marine Products trailer component
• Supplied as one galvanised square-axle saddle
• Supplied in original or equivalent packaging