Boat Trailer Axles

Galvanised 40mm Square Axle 83" (2105mm) 1000KG Rated

SKU: SR-A40S83G

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The A40S83G Galvanised Trailer Axle is a heavy-duty 40mm × 40mm solid square steel axle with a nominal length of 83 inches / 2105mm. It is machined for the common Australian LM/Holden bearing configuration and rated to 1000kg, making it an excellent replacement axle for compatible boat, marine and utility trailers.

Key benefits

Key benefits

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Key Benefits

  • 83" / 2105mm nominal overall length
  • 40mm × 40mm solid square steel
  • 1000kg axle rating
  • Galvanised for corrosion resistance
  • Ideal for marine and boat-trailer use
  • Machined for LM / Holden bearings
  • Uses readily available Australian trailer bearings
  • Suitable for compatible braked or unbraked hubs
  • Heavy-duty alternative to 39mm round 750kg axles
  • Ideal for trailer repairs, rebuilds and axle replacement

Dimensions

  • Overall tip-to-tip: 2105mm
  • Nominal imperial length: 83"
  • Axle section: 40mm × 40mm square
  • Hub face-to-hub face: approx. 2010mm on Huntsman equivalent
  • Shaft length: 120mm on TRU equivalent
  • Inner bearing ID: approx. 31.7mm
  • Outer bearing ID: approx. 19mm
  • Rated capacity: 1000kg

LM / Holden Bearing Compatibility

  • Inner / Large Bearing
  • Cone: LM67048
  • Cup/Race: LM67010
  • ID: approximately 31.7–31.75mm
  • Outer / Small Bearing
  • Cone: LM11949
  • Cup/Race: LM11910
  • ID: approximately 19–19.05mm

Suitable Applications

  • Boat trailers
  • Fibreglass boat trailers
  • Aluminium boat trailers
  • Jet ski trailers
  • Single-axle trailers
  • Tandem-axle trailers
  • Utility trailers
  • LM/Holden-bearing hubs
  • Compatible braked and unbraked hub installations

Important Fitment Information

  • Before ordering, confirm the tip-to-tip measurement, 40mm-square axle section, LM/Holden bearings, hub-face width, spring/U-bolt arrangement, wheel offset and required load rating.

Signs Your Trailer Axle Needs Replacing

  • Replacement or professional inspection is recommended if you find severe corrosion, bending, damaged bearing journals, worn spindle threads, abnormal tyre wear, wheel misalignment or repeated bearing failures.
  • When replacing the axle, inspect the wheel bearings, seals, hubs, springs, U-bolts, spring plates and suspension hardware at the same time.

Shipping

Ships Australia-wide