A1266 Mackay 1623 Dunbier Axle 50 Square Gull-Wing Beam Only 2340mm (92") | Marine Trailer Part

🔧 Product Description

Genuine Mackay Marine Trailer Products 50mm square gull-wing Trailer Axle – Gull-Wing Beam Only – 2340mm – Part Number: A1266

A genuine Mackay 50mm square gull-wing marine-trailer axle with a nominal length of 2340mm (92"). This version is supplied as a gull-wing beam only and uses the Slimline or matching 50mm axle family bearing family where hubs or brake assemblies are fitted.

⚙️ Key Features

• 50mm square gull-wing axle construction
• Beam-only configuration for custom hub or brake assembly
• Gull-wing/drop-centre geometry lowers the trailer frame or hull-support position
• Galvanised or corrosion-protected marine-trailer finish
• Machined stub-axle journals suit the specified bearing family
• Designed for replacement or custom trailer running-gear assembly

📏 Specifications

• Nominal axle length: 2340mm (92")
• Axle beam: 50mm square gull-wing
• Configuration: gull-wing beam only
• Bearing family: Slimline or matching 50mm axle family
• Hub/stud pattern: Determined by the selected hub assembly
• Confirm whether the quoted length is hub-face, shoulder or overall assembly length before replacement
• Spring centres, axle offset/drop and brake-mount orientation must match the trailer

📋 Supplied Components

• 1 × Axle beam with machined stub ends
• Hubs, bearings, brakes and wheel hardware are not included

🔄 Cross Reference & Related Parts

• Dunbier cross reference: 1623
• Use only hubs, bearings, seals, brakes and dust caps matching the machined stub profile
• Comparable axles must match beam section, hub face, spring centres, drop/overlay, bearing profile and brake type

🚤 Compatibility & Application

• Mackay marine trailers and custom trailers requiring the exact axle geometry stated
• Measure hub face, spring centres, beam section, brake-mount position and chassis clearance before ordering
• Axle capacity is determined by the complete engineered assembly—not beam size alone
• Brake configuration must comply with current trailer ATM and road regulations
• After installation, set wheel-bearing preload, wheel-nut torque, brake adjustment and alignment to specification

🔌 Function

Carries the trailer load between the suspension and wheel hubs while maintaining wheel alignment; braked versions also provide the mounting and rotating components required to apply trailer braking.

⚠️ Common Signs of Failure

• Axle beam or stub is bent, cracked or heavily corroded
• Tyres wear unevenly or the trailer no longer tracks straight
• Bearing journals are scored, pitted or undersize
• Hub face or brake mounts have excessive runout
• Spring seats, welds or overlay sections are loose or damaged

📦 Condition

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