Boat Trailer Axles

Galvanised 39mm Round Axle 77" (1955mm) 750kg

SKU: SR-A39R77G

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The A39R77G Galvanised Trailer Axle is a solid 39mm round straight axle measuring 77" / 1955mm tip-to-tip. Designed for LM/Holden-type wheel bearings, it is suitable for boat trailers and other compatible trailer applications requiring a corrosion-resistant solid axle.

Key benefits

Key benefits

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Key Benefits

  • 77" / 1955mm tip-to-tip
  • 39mm solid round steel
  • 750kg rated capacity
  • Galvanised for improved corrosion resistance
  • Well suited to marine and boat-trailer applications
  • Machined for LM / Holden bearings
  • Common Australian trailer-bearing configuration
  • Strong solid straight-beam construction
  • Ideal for trailer repairs, rebuilds and axle replacement

Dimensions

  • Overall tip-to-tip: 1955mm
  • Nominal imperial length: 77"
  • Axle beam diameter: 39mm
  • Hub face-to-hub face: approx. 1855mm on a comparable axle
  • Shaft length: 120mm on the Trailers R Us equivalent
  • Inner bearing ID: approx. 31.75mm
  • Outer bearing ID: approx. 19.05mm
  • Rated capacity: 750kg

LM / Holden Bearing Compatibility

  • Inner / Large Bearing
  • Cone: LM67048
  • Cup/Race: LM67010
  • ID: approximately 31.75mm
  • Outer / Small Bearing
  • Cone: LM11949
  • Cup/Race: LM11910
  • ID: approximately 19.05mm

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 the existing axle has a 1955mm tip-to-tip length, 39mm round beam and LM/Holden bearing profile. Also check the hub-face measurement, spring and U-bolt arrangement, wheel clearance and mudguard position.

Signs Your Trailer Axle Needs Replacing

  • Replace or professionally inspect the axle if you notice severe corrosion, bending, worn or damaged bearing journals, damaged spindle threads, abnormal tyre wear, wheel-alignment problems or repeated wheel-bearing failures.
  • When replacing the axle, also inspect the bearings, seals, hubs, springs, U-bolts, spring plates and suspension hardware.

Shipping

Ships Australia-wide