A1318G Mackay 1909 Dunbier LandCruiser Disc Hub 16mm Mechanical/Hydraulic 6-Stud with Bearings, Galvanised. | Marine Trailer Part

🔧 Product Description

Genuine Mackay Marine Trailer Products Galvanised Six-Stud LandCruiser Disc Hub with Bearings – Part Number: A1318G

A galvanised heavy-duty disc hub using the six-stud LandCruiser pattern and an approximately 16mm braking surface. It is supplied with the applicable bearings and is suitable for compatible mechanical or hydraulic trailer calipers.

⚙️ Key Features

• Galvanised or corrosion-resistant marine-trailer construction
• 6 stud × 139.7mm PCD wheel mounting pattern
• AL-KO/LandCruiser heavy-duty bearing configuration
• Designed for compatible mechanical or hydraulic trailer braking where specified
• Serviceable bearings, seals, dust cap and wheel studs

📏 Specifications

• Wheel-size application: Heavy-duty 14- or 15-inch
• Stud pattern: 6 stud × 139.7mm PCD
• Bearing family: AL-KO/LandCruiser heavy-duty
• Rotor/hub specification: approximately 16mm integral disc hub
• Published application rating: matching heavy-duty 65mm axle system
• Brake application: Mechanical or hydraulic disc caliper
• Wheel studs, bearing preload, seal and caliper alignment must follow the component specification

📋 Supplied Components

• 1 × Galvanised six-stud disc hub
• Bearing set, seal and dust cap as supplied

🔄 Cross Reference & Related Parts

• Dunbier cross reference: 1909
• Related bearing kit: Mackay A1353 AL-KO 65mm application

🚤 Compatibility & Application

• Confirm wheel stud PCD, centre bore, bearing journals, seal surface and axle-nut thread
• Brake rotor thickness and offset must match the caliper and mounting bracket
• The complete running-gear capacity is limited by the lowest-rated axle, bearings, hub, wheel, tyre, brakes and suspension
• Set bearing preload and wheel-nut torque correctly after installation
• Flush and inspect regularly after saltwater immersion

🔌 Function

Supports the trailer wheel on tapered roller bearings and, on disc-hub versions, provides the friction rotor used by the brake caliper.

⚠️ Common Signs of Failure

• Bearing noise, heat or excessive wheel play
• Rotor is scored, cracked, warped or below minimum thickness
• Stud holes or wheel studs are damaged
• Seal leakage or water-contaminated grease
• Hub or rotor has excessive runout

📦 Condition

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