A1879G Mackay Spare Wheel Carrier HT Galvanised | Marine Trailer Part

🔧 Product Description

Mackay Galvanised Spare-Wheel Carrier – Winch-Post Mount – Part Number: A1879G

A galvanised spare-wheel carrier configured for HT Holden trailer wheels and a winch-post mount installation. It secures the spare clear of the boat and running gear while keeping it accessible for roadside replacement. The carrier's stud pattern, offset and frame clamp arrangement must match the spare wheel and trailer structure.

⚙️ Key Features

• Mounting style: Winch-Post Mount
• Wheel pattern/application: 5-stud HT Holden
• Galvanised steel construction
• Marine-trailer corrosion resistance
• Provides a dedicated spare-wheel storage location
• Suitable for 13-, 14- or 15-inch wheels as allowed by the specific carrier geometry

📏 Specifications

• Wheel application: 5-stud HT Holden
• Mounting specification: 75 × 110mm U-bolt included
• Wheel nuts, U-bolts and backing hardware are included only where stated
• Tyre diameter and offset must clear the frame, boat and road

🔄 Cross Reference & Related Parts

• Mackay: A1879G
• Winch-post Ford carrier: A1878G
• Winch-post Holden carrier: A1879G
• Top-mount six-stud carrier: A1881GK
• Side-mount six-stud carrier: A1882
• Flat heavy-duty carrier: A1891G

🚤 Trailer Compatibility & Application

• Suitable for a structurally sound winch post, side frame or drawbar matching the specified mount style
• The carrier stud pattern must match the spare rim
• The complete spare must remain clear through drawbar articulation and suspension movement

🔌 Function

Retains the spare wheel securely on the trailer so a serviceable replacement is available after tyre or wheel damage.

⚠️ Common Signs of Failure

• Carrier or studs are bent
• Wheel nuts loosen
• Galvanising has failed and deep corrosion is present
• U-bolts or mounting plate move on the frame
• Spare tyre contacts the boat, frame or road
• Stud threads are damaged

🛠️ Installation & Safety

• Mount to a structural frame member
• Use correctly sized high-tensile U-bolts and locking nuts
• Position the spare so its weight does not interfere with drawbar balance or boat clearance
• Torque spare-wheel nuts correctly
• Recheck the mount after initial travel
• Use an additional retention strap where required by the installation

📦 Condition

• Genuine Mackay Trailers part
• Brand new
• Supplied as one galvanised winch-post mount spare-wheel carrier
• Supplied in original or equivalent packaging