45mm Square Mechanical Disc Brake

$800.00 - $1,239.00

Engineered for Quality

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45mm Square Mechanical Disc Brake Axle

45mm square mechanical disc brake is galvanised and activated when the tow vehicle engages the override brake.

Disc Options

  • Holden HT.
  • Holden HQ.
  • Ford.
  • 6 Stud Landcruiser.
  • 5 Stud Landcruiser.
  • 5 Stud Parallel Landcruiser.
  • 6 Stud Parallel Landcruiser.

Bearing Sizes

  • Slimline Bearing Configuration (LM12749/LM68149)
  • Parallel Bearing Configuration (LM68149/LM68149)

Re-check the outer bearing nuts for tightness immediately after the first trip.

Couplemate manufacturers and test all square mechanical disc brake override axles.

Trailer Parts include

Mechanical Override Disc Brakes are simple brakes to understand and maintain. Ensure brake caliper adjustments are made on the caliper bolt and not the cable adjuster.

Couplemate installs the latest Al-ko calipers on all of our mechanical braking systems.

The force exerted during braking from the tow vehicle engages the override brake, which in turn activates the mechanical calipers causing braking.

Please note: We ask you for your face to face measurement of your axle.

The latest news on small axles causing trailer and caravan axle fatigue.

Tip

Did you know that the bolts holding in your caliper can unwind themselves on rough, corrugated roads?

Couplemate uses a medium-strength locktite on all mechanical caliper bolts.

Calculating The Correct Axle Measurements

As a result of viewing the video above, calculate the face to face measurement.
  1. Measure the offset wheel. The wheel offset is the distance between the inside of the hub and the outside of the rubber.
  2. Add 50 mm to the offset. Alternatively, choose your own distance between the rubber and the chassis.
  3. Multiply by 2 for both sides. Add your chassis width to the above number.
Still unsure of what measurements to take? Check out this handy guide below:

[P] – Check material specifications. What size and profile is the axle (for example, 45mm Square)
[T] – Overall axle length (tip to tip)
[F] – Hub face to hub face measurement
[A] – Chassis width
[C] – Tyre clearance
[B] – Back offset
[H] – Tyre to chassis
[G] – Axle pad centres

How To Measure An Axle

Identifying Bearing Combinations

You will also need to identify your bearing combination which can be done by pulling off a hub and bearings and locating the number laser engraved onto the bearing. You will require both the inner and the outer bearing numbers.

Where to identify bearing number. Look for the laser engraved number on the bearing.

 

Review other brakes axle kits here

  • 45mm Square Hydraulic Disc Brake Axle
  • 50mm Square Mechanical Disc Brake

Additional information

Weight70 kg
Dimensions240 × 50 × 50 cm
Stud Patternss

5 Stud Landcruiser – Parallel, 6 Stud Landcruiser – Parallel, Ford (5 x 114.30mm), Holden HT (5 x 107.95mm), Holden HQ (5 x 120.65mm), Land Cruiser 6S, 5s Landcruiser (5 x 150mm)

Axle Profile

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.

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