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Couplemate Trailer Parts
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Axles

  • 45mm Square Galvanised Unbraked Axle
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    45mm Square Galvanised Unbraked Axle

    Price range: $635.60 through $808.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Square Axle | 9-inch Hydraulic Drums
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    45mm Square Axle – 9-inch Mechanical Drum

    $676.00 Inc.GST
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  • 45mm Square Axle | 9-inch Hydraulic Drums
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    45mm Square Axle | 9-inch Hydraulic Drums

    $847.00 Inc.GST
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  • 45mm Square Parallel Unbraked Axle

    45mm Square Parallel Unbraked Axle

    Price range: $728.85 through $731.05 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Square Axle - Electric/Marine
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    45mm Square Axle – Electric/Marine

    Price range: $241.00 through $307.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 2t x 60mm Round Trailer Axle Kit: Electric Braked Landcruiser
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    60mm Round 2.25t Electric Braked Axle

    Price range: $1,201.00 through $1,286.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • \mm Square x 5 stud Land Cruiser Lazy Unbraked Axle
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    45mm Square Unbraked Lazy Axle

    Price range: $303.60 through $482.00 Inc.GST
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  • 45mm Round Unbraked Lazy Axle | Couplemate
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    45mm Round Unbraked Lazy Axle

    Price range: $367.20 through $472.55 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Round Unbraked Lazy Axle | Couplemate
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    39mm Round Unbraked Lazy Axle

    Price range: $352.00 through $355.20 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 45mm Square Parallel Axle | Natural and Galvanised
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    45mm Square Parallel Axle

    Price range: $220.00 through $441.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 50mm Square Hydraulic Disc Axle
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    50mm Square Hydraulic Disc Axle

    Price range: $1,149.00 through $1,828.00 Inc.GST
    Options This product has multiple variants. The options may be chosen on the product page In stock
  • 2t galvanised Hydraulic Disc Braked axle
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    2.25t Galvanised Hydraulic Disc Braked Axle

    Price range: $1,296.00 through $1,435.00 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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