A1818G Mackay 1512 Dunbier 15" Galvanised Steel 6-Stud Wheel RIM ONLY (NO TYRE) | Marine Trailer Part

🔧 Product Description

Mackay Galvanised Steel Rim 15" - Rim Only - Part Number: A1818G

A trailer wheel rim supplied without a tyre, manufactured in galvanised steel rim form for the LandCruiser 6-stud pattern. It is intended as a replacement or spare rim for compatible Mackay and Dunbier boat trailers where the offset, centre bore, stud pattern and load rating match the installed hub.

⚙️ Key Features

• Wheel diameter: 15"
• Stud pattern: LandCruiser 6-stud pattern
• Corrosion-resistant galvanised steel finish
• Trailer-rated wheel construction
• Supplied without tyre, valve or balancing unless stated
• Suitable for mounting a correctly sized commercial trailer tyre

📏 Specifications

• Nominal wheel size: 15"
• Pattern: LandCruiser 6-stud pattern
• Catalogue rim rating: 1180kg
• Rim width, offset and centre-bore dimensions must match the trailer

🔄 Cross Reference & Related Parts

• Mackay: A1818G
• Dunbier: 1512
• Use wheel nuts with the correct seat profile and thread
• Comparable rims must match stud PCD, centre bore, offset, width and marked load capacity
• Complete 15-inch wheel-and-tyre assembly: Mackay A1877

🚤 Trailer Compatibility & Application

• Suitable for Mackay and Dunbier hubs using the specified stud pattern
• The rim load rating must equal or exceed the load at that wheel position
• Guard, brake-caliper and suspension clearance must be checked

🔌 Function

Supports the tyre and transfers vertical, braking and cornering loads through the wheel studs to the hub.

⚠️ Common Signs of Failure

• Rim is bent or cracked
• Stud holes are elongated
• Bead seat is heavily corroded
• Wheel loses air despite a serviceable tyre
• Rim runs out or causes vibration
• Galvanising has failed around welds or the centre disc

🛠️ Installation & Safety

• Have the tyre fitted and balanced by a competent tyre service
• Use the correct valve and wheel-nut seat type
• Torque nuts in a cross pattern
• Recheck wheel-nut torque after initial travel
• Do not fit if offset or centre bore causes hub, guard or caliper interference

📦 Condition

• Genuine Mackay Trailers part
• Brand new
• Supplied as one 15" galvanised steel rim without tyre
• Supplied in original or equivalent packaging