Head to head
Ifor Williams HB510XL vs Maypole MP6819
The Maypole MP6819 is 1,170kg lighter empty. The Ifor Williams HB510XL is rated 3,001kg heavier gross and carries 1,831kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 1,170kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 3,001kg heavier gross.
- Payload: the Ifor Williams HB510XL carries 1,831kg more.
- Internal length: the Ifor Williams HB510XL is 2.39m (8ft) longer inside.
- Internal width: the Ifor Williams HB510XL is 58cm (2ft) wider inside.
Specifications side by side
| Ifor Williams HB510XL | Maypole MP6819 | |
|---|---|---|
| Gross weight | 3500kg | 499kg |
| Unladen weight | 1290kg | 120kg |
| Payload | 2210kg | 379kg |
| Internal length | 4.25m | 186cm |
| Internal width | 1.74m | 116cm |
| Internal height | - | 32cm |
Sources: Ifor Williams HB510XL, Maypole MP6819. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB510XL if...
- you want one that is rated 3,001kg heavier gross
- you want one that carries 1,831kg more
- you want one that is 2.39m (8ft) longer inside
- you want one that is 58cm (2ft) wider inside
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the MP6819 if...
- you want one that is 1,170kg lighter empty
The longest trailer in Maypole's general purpose range here, for buyers needing extra bed length for bulkier loads such as garden waste or flat-pack furniture.
Listed by
- Sleaford Trailers - Sleaford
- Towy Trailer Centre - Llandeilo, Ffairfach
Common questions
What is the difference between the Ifor Williams HB510XL and the Maypole MP6819?
The Maypole MP6819 is 1,170kg lighter empty. The Ifor Williams HB510XL is rated 3,001kg heavier gross and carries 1,831kg more. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the Maypole MP6819 is a an unbraked single-axle general purpose car trailer rated at 499kg gross weight..
Which is lighter, the Ifor Williams HB510XL or the Maypole MP6819?
The Maypole MP6819. It is 1,170kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams HB510XL or the Maypole MP6819?
The Ifor Williams HB510XL, by 1,831kg.
Can I tow the Ifor Williams HB510XL or the Maypole MP6819 on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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