# A1258 Mackay Axle 64 Square Overlay Beam Only LandCruiser 2140mm (84") | Marine Trailer Part

## 🔧 Product Description

**Genuine Mackay Marine Trailer Products 64mm square overlay Trailer Axle – Overlay Beam Only – 2140mm – Part Number: A1258**

A genuine Mackay 64mm square overlay marine-trailer axle with a nominal length of 2140mm (84"). This version is supplied as a overlay beam only and uses the LandCruiser / heavy-duty bearing family where hubs or brake assemblies are fitted.

## ⚙️ Key Features

-   64mm square overlay axle construction
-   Beam-only configuration for custom hub or brake assembly
-   Overlay/drop geometry alters hub height relative to the main axle beam
-   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: 2140mm (84")
-   Axle beam: 64mm square overlay
-   Configuration: overlay beam only
-   Bearing family: LandCruiser / heavy-duty
-   Hub/stud pattern: 6 stud LandCruiser hub family when completed
-   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

-   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

## Details

- **Price:** 770.3 AUD
- **Vendor:** Mackay
- **Type:** Trailer Parts
- **Tags:** Mackay Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 770.30 AUD | In stock |

## Images

- A1258 Mackay Axle 64 Square Overlay Beam Only LandCruiser 2140mm (84") | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/a1258-mackay-axle-64-sq-overlay-beam-only-l-cruiser-2140mm-84-1)
> Updated: 2026-09-06