50mm Square Beam x 56mm Round Stub x 4-inch Drop

Part No: CM193 Category:


30 in stock

30 in stock

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50mm Square Beam x 56mm Round Stub x 4-inch Drop – 32mm Plate

50mm Square Beam x 45mm Round Stub x 4-inch Drop with 32mm plate.

Suitable for horse floats and boat trailers. OEM prices are available.

Question: What size drop plates are known to lower my caravan

Answer: Drop plates decrease the height of the axle from the ground to suit various size stub axles and beams.

broken 25mm drop plateThe thickness of the drop plates is critically essential. Plates installed on axle assemblies less than 32mm in width can result in disastrous consequences.

Couplemate recommends using Australian-made 32mm drop plates cut from virgin steel.

A 25mm drop plate in the right-hand image is too small for the independent rubber suspension axle build.

In this case, the drop plate is not engineered well enough to prevent shock loading when the rig hits a gutter on a roundabout.

IRS Axles and Drop Axles with Thin Plates causing Problems

Additionally, installing bearing buddies on drum braked axles is not a good idea. Excess grease contaminates brake shoes rendering them ineffective during a braking event.

Finally, all drop plate assemblies built by Couplemate are 32mm wide. Some narrower plates can twist under extreme loads and cornering. This action stresses u-bolts and other suspension trailers parts like shackles and bearings.

Associated products

Additional information

Weight3 kg
Dimensions15 × 10 × 3 cm

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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