The A39R74G Galvanised Trailer Axle is a solid 39mm round straight-beam axle measuring 74" / 1880mm tip-to-tip. Designed for LM/Holden wheel bearings, it provides a strong, corrosion-resistant replacement axle for boat trailers and other compatible light-duty trailers.
Boat Trailer Axles
Galvanised 39mm Round Axle 74" (1880mm) 750kg Rating
SKU: SR-A39R74G
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Key benefits
Key benefits
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Key Benefits
- 74" / 1880mm tip-to-tip
- 39mm solid round steel
- 750kg rated capacity
- Galvanised for corrosion resistance
- Well suited to marine environments
- Machined for LM / Holden bearings
- Common Australian trailer-bearing configuration
- Strong solid-steel straight beam
- Ideal for boat trailer repairs and axle replacement
Dimensions
- Overall length: 1880mm
- Imperial length: 74"
- Axle diameter: 39mm
- Shaft length: 120mm
- Inner bearing ID: approximately 31.7–31.75mm
- Outer bearing ID: approximately 19–19.05mm
- Capacity: 750kg
Inner / Large Bearing
- LM67048 cone + LM67010 cup/race — approximately 31.75mm ID
Outer / Small Bearing
- LM11949 cone + LM11910 cup/race — approximately 19.05mm ID
Suitable Applications
- Boat trailers
- Tinny trailers
- Aluminium boat trailers
- Jet ski trailers
- Utility trailers
- Other light-duty trailer applications requiring a 39mm round LM-bearing axle.
Important Fitment Information
- Before ordering, confirm
- 1880mm tip-to-tip length
- 39mm round axle beam
- LM/Holden bearing configuration
- Hub-face measurement
- Spring and U-bolt arrangement
- Wheel and mudguard clearance
- Do not select an axle solely from the trailer model, as axles and hubs may have been replaced previously.
Signs Your Trailer Axle Needs Replacing
- Replace or professionally inspect the axle if you notice severe corrosion, bending, damaged bearing journals, worn spindle threads, abnormal tyre wear, wheel-alignment problems or repeated wheel-bearing failures.
- When replacing an axle, also inspect the bearings, seals, hubs, springs, U-bolts, spring plates and suspension hardware.
Shipping
Ships Australia-wide