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Couplemate Trailer Parts
5% discount on all products in your cart. Enter the coupon code (get5off) to get 5% off the marked prices in your cart.

Axles

  • 40mm Square Axle - Galvanised | Made in Australia
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    Australian-Made – Archive Page

    40mm Square Galvanised Axle

    Price range: $378.00 through $448.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Square Mechanical Galvanised Disc Brake
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    Australian-Made – Archive Page

    45mm Square Mechanical Galvanised Disc Brake

    Price range: $816.00 through $1,120.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm square lazy Axle
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    Australian-Made – Archive Page

    40mm Square Unbraked Hub Axle

    Price range: $410.00 through $441.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 50mm square 2t axle galvanised
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    Australian-Made – Archive Page

    50mm Square 2.25t Galvanised Axle – Marine

    Price range: $408.00 through $460.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Square Electric Brake Axle
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    Australian-Made – Archive Page

    45mm Square Electric Brake Axle

    Price range: $820.00 through $950.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • DeeMaxx 10-inch Integral Disc Mount for Trailers
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    DeeMaxx 10-inch Integral Disc Mount

    CALP-MOUNT-DM-10 $57.61 Inc.GST
    Add to cart In stock
  • Mechanical Caliper Anchor Plate
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    Mechanical Caliper Anchor Plate

    Price range: $13.00 through $30.25 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Round Electric Backing Plate Weld Ring
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    Australian-Made – Archive Page

    10-inch Brake Weld Ring

    Price range: $8.31 through $14.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Square Mechanical Disc
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    Australian-Made – Archive Page

    45mm Square Mechanical Disc Brake

    Price range: $864.00 through $1,163.70 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 60mm Round Axle 3t
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    Australian-Made – Archive Page

    60mm Round Axle 3t Unbraked Axle

    Price range: $688.00 through $696.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • Aussie Swag and Conquerer Stub Axle
    Australian-Made – Archive Page

    Aussie Swag / Conqueror Suspension Stub Axle

    Price range: $285.00 through $385.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Square Galvanised Hydraulic Disc Brake Axle Kit
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    Australian-Made – Archive Page

    45mm Square Galvanised Hydraulic Disc Brake Axle

    Price range: $1,118.00 through $2,997.79 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock

Axle steel is a high-strength material, commonly AISI/SAE 1045, 4140 (chrome-moly), or 5140/5160, selected for its strength and durability.

These, such as 40mm square galvanised and 45mm square options, are typically solid, heat-treated steel and designed for heavy loads.

Below is a 3t Galvanised Hydraulic Braked Axle

Common uses include trailer axles, automotive axles, and structural components requiring high torsional strength.

Common Axle Steel Types Properties:

Carbon Steel (1040–1050): Widely used for standard trailer axles, offering good strength and durability.
Alloy Steel (4140, 4340, 5140, 5160): Used for higher performance requirements, often providing better hardenability and fatigue resistance, such as the 1045 grade used for 1,800 kg-rated axles.
Galvanised Steel: Commonly used in marine environments for corrosion resistance.

Key Manufacturing Considerations:

Heat Treatment: Axles often undergo through-hardening or induction hardening (case hardening) to ensure high tensile strength in the core while maintaining wear resistance on the bearing surfaces.

Manufacturing Method: Components are frequently made from solid steel and CNC-machined for precision.

Common Sizes: Trailer axles are commonly 40mm or 45mm solid square steel.

Typical Applications

Trailers: Boat, box, and heavy-duty trailers.
Automotive: Drive shafts and axle shafts.
Machinery: Components requiring high fatigue resistance.
Light Duty: Small carts, such as those with 12mm cold steel axles.

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