The A45S91G Galvanised Trailer Axle is a heavy-duty 45mm × 45mm solid square steel axle with a nominal overall length of 91" / 2310mm tip-to-tip. It is machined for SL / Slimline / Ford bearings and is commonly rated to 1400kg, making it suitable for larger boat, marine and utility trailers.
Boat Trailer Axles
Galvanised 45mm Square Axle 91" (2310mm) 1400kg Rating
SKU: SR-A45S91G
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Key benefits
Key benefits
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Key Benefits
- 91" / 2310mm nominal tip-to-tip
- Heavy-duty 45mm × 45mm solid steel
- 1400kg axle rating
- Hot-dip galvanised for corrosion resistance
- Designed for SL / Slimline / Ford bearings
- Excellent for boat and marine trailers
- Strong solid straight-beam construction
- Suitable for compatible braked or unbraked hub configurations
- Common Australian trailer bearing sizes
- Ideal for trailer repairs, rebuilds and axle replacement
Dimensions
- Overall tip-to-tip: 2310mm nominal
- Imperial length: 91"
- Axle section: 45mm × 45mm square
- Hub face-to-hub face: approximately 2210mm
- Shaft length: approximately 120mm
- Inner bearing ID: approximately 35mm
- Outer bearing ID: approximately 22mm
- Rated capacity: 1400kg
SL / Ford Bearing Compatibility
- Inner / Large Bearing
- Cone: L68149
- Cup/Race: L68110
- ID: approximately 35mm
- Outer / Small Bearing
- Cone: LM12749 / L12749
- Cup/Race: LM12710 / L12710
- ID: approximately 22mm
Suitable Applications
- Boat trailers
- Fibreglass boat trailers
- Aluminium boat trailers
- Larger single-axle trailers
- Tandem-axle boat trailers
- Utility trailers
- Marine trailers
- Trailers using SL/Ford bearing hubs
- The 2310mm overall length makes this axle particularly suitable for wider trailer configurations.
Important Fitment Information
- Before ordering, confirm
- 91" / 2310mm tip-to-tip
- 45mm × 45mm square axle
- SL / Ford bearing profile
- Approx. 2210mm hub-face measurement where applicable
- Spring and U-bolt arrangement
- Wheel offset
- Mudguard clearance
- Brake configuration
- Required axle capacity
Signs Your Trailer Axle Needs Replacing
- Replacement or professional inspection is recommended if you find bending, significant corrosion, damaged bearing journals, worn spindle threads, abnormal tyre wear, wheel misalignment or repeated wheel-bearing failures.
- When replacing the axle, also inspect the wheel bearings, seals, hubs, springs, U-bolts, spring plates and braking components.
Shipping
Ships Australia-wide