H3310G Mackay 1041 Dunbier Mechanical Override Coupling 2000kg | Marine Trailer Part

🔧 Product Description

Genuine Mackay Marine Trailer Products Mechanical Override Trailer Coupling 50mm – 2,000kg – Part Number: H3310G

A galvanised 2,000kg mechanical override coupling for 50mm tow balls. Trailer overrun moves the sliding coupling body and operates a mechanical brake lever connected to the trailer brake cable.

⚙️ Key Features

• Rated to 2,000kg
• 50mm tow-ball connection
• Galvanised marine-trailer finish
• Mechanical override brake actuation
• Reverse-stop and ball-head adjustment provisions

📏 Specifications

• Maximum coupling rating: 2,000kg
• Tow-ball size: 50mm
• Brake type: Mechanical cable-actuated override
• Finish: Galvanised
• Tow ball is not included

🔄 Cross Reference & Related Parts

• Mackay reference: H3310G
• Matching tow ball: 1061 / Mackay H3354
• Adjustment bolt: 1011
• Reverse stop and pin: 1042C / 1046

🚤 Compatibility & Application

• Boat trailers with compatible mechanical disc or drum brakes
• Cable routing and handbrake linkage must be correctly adjusted
• Use only where mechanical override braking is permitted for the trailer ATM

🔌 Function

Automatically tensions the mechanical brake cable when trailer overrun compresses the coupling.

⚠️ Common Signs of Failure

• Slide mechanism does not move freely
• Brakes apply late, unevenly or remain on
• Cable lever or pivot is worn
• Coupling rattles excessively on the ball
• Reverse-stop pin or latch components are damaged

📦 Condition

• Genuine Mackay Marine Trailer Products part
• Brand new
• Supplied in original or equivalent packaging