Trailer Hitch Coupling Overrun Damper Bradley HU12 2250kg to 3500KG

This listing is for an Bradley replacement damper for braked trailer hitches. Suitable for 2250kg ...

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eBayTrailer Hitch Coupling Overrun Damper Bradley HU12 2250kg to 3500KG
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Product Information

Full details

This Bradley replacement damper is designed for braked trailer hitches with a capacity of 2250kg to 3500kg, specifically for the HU12 model manufactured post-1996. It effectively resolves issues like trailer banging during braking and erratic brake operation by providing smooth deceleration control. A key caveat is that it's only compatible with the HU12 model, and underlying brake system issues should be addressed concurrently to ensure optimal performance and longevity of the damper.

All features

Model Part NumberTR270
BrandAB Tools

Extended Product Information

FAQs

Which trailer hitches is this damper compatible with?

This replacement damper is specifically designed for Bradley HU12 braked trailer couplings manufactured after 1996. It is not suitable for other Bradley models or hitches from different brands.

What are the main benefits of replacing a faulty damper?

Replacing a faulty damper resolves issues such as jarring 'banging' of the trailer against the car during braking, and erratic brake application ('brakes cycling on and off'), leading to a much safer and more comfortable towing experience.

What do the main dimensions refer to?

The length of 390mm is from the centre of the mounting hole to the end of the thread. The body length (from hole centre to the end of the damper body) is 240mm. The body diameter is 30mm.

Can I fit this damper myself?

Basic mechanical knowledge is helpful for installation. The process involves unbolting the old unit and bolting in the new one, connecting the brake rod. However, it is recommended that the trailer's brake system is also checked and adjusted by a professional concurrently.

What is the significance of servicing the brake system when fitting a new damper?

The damper works by controlling the rate at which the trailer's brakes are applied. If the brake system is faulty (e.g., seized cables, worn shoes, incorrect adjustment), it can cause excessive force or unevenness, leading to premature failure of the new damper. Servicing ensures the entire braking system functions correctly.

What is the weight capacity this damper is designed for?

This damper is suitable for braked trailer couplings with a Gross Vehicle Weight (GVW) ranging from 2250kg to 3500kg.

Troubleshooting

Trailer still bangs against the car when braking.

Ensure the damper is correctly fitted and that the trailer's brake system (including cable tension and shoe adjustment) has been recently serviced. An underlying brake issue can overwhelm the damper's function.

Brakes feel inconsistent or are not engaging properly.

This is likely an issue with the trailer's brake system itself, not the damper. Check brake shoes, drums, and cable adjustments. The damper relies on a functioning brake system to operate correctly.

Damper appears to be leaking fluid.

A leaking damper indicates internal failure and requires replacement. Ensure the replacement is the correct model (HU12 post-1996).

Pros and Cons

Pros

  • Directly addresses common braking issues like juddering and pulsing.
  • Ensures smoother deceleration for a more comfortable towing experience.
  • Designed specifically for the Bradley HU12 coupling, guaranteeing compatibility.
  • Suitable for a wide range of heavy-duty trailers (2250kg - 3500kg).

Cons

  • Only compatible with the Bradley HU12 model (post-1996), not other Bradley hitches.
  • Requires concurrent servicing of the trailer's brake system for full effectiveness.
  • Installation may require mechanical knowledge or professional assistance.

Setup, Compatibility & Care

Compatibility:

This damper is *exclusively* designed for Bradley HU12 braked couplings manufactured *after 1996*. It is not compatible with other Bradley coupling models or hitches from different manufacturers.

Specifications:

  • Length (hole centre to end of thread): 390mm
  • Body Length (hole centre to end of body): 240mm
  • Bush Internal Diameter: 14mm
  • Thread Size (other end): M10
  • Body Diameter: 30mm

Setup & Installation:

  1. Ensure the trailer is securely parked on a level surface with the handbrake engaged.
  2. Remove the old or faulty damper unit from the trailer hitch.
  3. Align the new damper with the mounting points on the hitch mechanism.
  4. Secure the damper using appropriate fixings (typically bolts that pass through the bush). The M10 thread end will connect to the brake rod.
  5. Crucially, before fully relying on the new damper, the trailer's brake system (cables, shoes, drums) should be serviced and adjusted. A poorly maintained brake system can lead to premature failure of the damper.

Care:

  • Periodically inspect the damper for any signs of damage, leaks, or corrosion.
  • Keep the area around the damper clean from excessive dirt and debris.
  • The damper requires no lubrication. Its operation is internal and sealed.

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