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Maypole Pressed Steel Coupling Review: Reliable replacement for unbraked trailers

Maypole 50 mm Pressed Steel Coupling Suitable Replacement For Knott KQ7K, AL-KO AK7D, Ifor Williams PO0355 and Maypole Unbraked Trailers.
4.7
[Wide Compatibility]  Fits Knott, AL-KO, Ifor Williams and Maypole unbraked coupling replacements.
[Durable Construction]  Pressed steel body with zinc-plated finish for corrosion resistance and strength.
[Standard Mounting]  90mm top hole centres; requires 2x M12 bolts (min 8.8) for installation.
[Safety Indicator]  Includes wear and correct attachment indicator for secure, visible coupling connection.
[750kg Capacity]  Rated for unbraked trailers up to 750kg; widely used market coupling.
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Trailer coupling for light unbraked trailers offering a straightforward, robust replacement: Maypole Pressed Steel Coupling. Peace of mind when hitching up for weekend jobs or utility runs. Will it match your trailer's mounting pattern and towing needs?

⚡ At a Glance
  • Build Quality: Pressed steel construction with zinc plated finish and wear indicator
  • Best for: Owners of unbraked trailers up to 750kg needing a direct replacement coupling
  • Not ideal for: Trailers that require braked couplings or heavier towing capacities

Pressed steel coupling intended as a direct replacement for several common makes. Includes a wear and correct attachment indicator for visual safety checks.


Quick, accurate fitting - thanks to 90mm mounting hole centres

Top surface features 90mm mounting hole centres so the unit matches established hole patterns used by the listed couplings. Designed as a suitable replacement for Knott KQ7K, AL-KO AK7D and Ifor Williams PO0355.

Fitting usually requires no re-drilling when replacing compatible couplings, speeding up installation for DIYers and workshops.

Corrosion resistance for outdoor use - with pressed steel and zinc plating

Pressed steel body receives a zinc plated finish to reduce surface corrosion from weather exposure. The plated surface slows rusting that can compromise fit over time.

Durable finish helps keep the coupling serviceable through regular outdoor use, lowering the need for frequent replacement on light trailers.

Safer pre-tow checks - thanks to wear and correct attachment indicator

An integrated wear indicator reveals excessive wear on the coupling, while a correct attachment indicator confirms secure engagement after hitching. Both are mechanical, visible cues rather than electronic systems.

Quick visual inspections before each tow reduce the chance of an insecure hitch and save time during routine checks.

✨ The 4 Key Reasons for Maypole Pressed Steel Coupling
  1. Easy Installation - Often fitted quickly by DIYers and trailer workshops
  2. Reliable Locking - Snug coupling reduces wobble for light towing stability
  3. Widely Compatible - Designed to match common coupling patterns across several marques
  4. Workshop Standard Fixings - Accepts industry-standard M12 bolts, easing replacements and repairs
📋 Technical Details at a Glance
  • Category: Automotive Parts and Accessories
  • Brand: Maypole
  • Material: Pressed steel
  • Finish: Zinc plated
  • Mounting hole centres: 90mm on top surface
❓ Frequently Asked Questions

Q: Is this coupling compatible with AL-KO or Ifor Williams couplings?

A: Yes, listed as a suitable replacement for Knott KQ7K, AL-KO AK7D and Ifor Williams PO0355, and for Maypole unbraked trailers.

Q: What bolts are required to fit the coupling?

A: Requires 2 x M12 bolts, with a minimum strength grade of 8.8.

Q: Can this be used on braked trailers?

A: Designed for unbraked trailers with a 750kg maximum rating, so braked-trailer use is not specified.

🏆 Our Verdict

Ideal for owners of small unbraked trailers and anyone needing a straightforward direct replacement coupling. Straightforward compatibility with common coupling patterns, easy installation and a visible wear indicator make it practical and reassuring. Strong build and standard fixings deliver long-term value for light towing and routine use.