R1003G Mackay Rocka Arm Galvanised | Marine Trailer Part

🔧 Product Description

Mackay Galvanised Rocka Arm – Part Number: R1003G

A galvanised individual Rocka support arm used in the Mackay rear Rocka launch-and-retrieval system. Geometry and pivot spacing must match the trailer generation.

⚙️ Key Features

• Galvanised steel
• Rocka-system component
• Tilting/pivot support
• Reference-specific geometry
• Marine trailer application
• Service replacement

📏 Specifications

• Component: individual Rocka support arm
• Dimensions and pivot centres must match original
• Rollers/fasteners only where stated

🔄 Cross Reference & Related Parts

• Mackay: R1003G
• Related: Rocka system

🚤 Trailer Compatibility & Application

• Use with matching PU or KR system
• PU and KR components are not automatically interchangeable
• Maintain roller and keel alignment

🔌 Function

Supports or pivots the rear hull-contact system to create a self-aligning loading path.

⚠️ Common Signs of Failure

• Elongated pivots
• Binding
• Corrosion
• Bent arms
• Misalignment
• Cracked welds

🛠️ Installation & Safety

• Support assembly
• Record spacers
• Use rated pivots
• Lubricate serviceable joints
• Align
• Cycle before loading

📦 Condition

• Genuine Mackay Trailers part
• Brand new
• Supplied as one galvanised rocka arm
• Supplied in original or equivalent packaging