Head to head
Ifor Williams HB510XL vs M-Tec 8.2ft x 4.2ft Twin Axle Trailer
The M-Tec 8.2ft x 4.2ft Twin Axle Trailer is 740kg lighter empty. The Ifor Williams HB510XL is rated 1.5 tonnes heavier gross and is 1.8m (6ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 740kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 1.5 tonnes heavier gross.
- Internal length: the Ifor Williams HB510XL is 1.8m (6ft) longer inside.
- Payload: the Ifor Williams HB510XL carries 760kg more.
- Internal width: the Ifor Williams HB510XL is 46cm (1.5ft) wider inside.
Specifications side by side
| Ifor Williams HB510XL | M-Tec 8.2ft x 4.2ft Twin Axle Trailer | |
|---|---|---|
| Gross weight | 3500kg | 2000kg |
| Unladen weight | 1290kg | 550kg |
| Payload | 2210kg | 1450kg |
| Internal length | 4.25m | 2450mm |
| Internal width | 1.74m | 1280mm |
| Axles | - | Twin |
| Brakes | - | Braked (Knott, 4 wheels) |
Sources: Ifor Williams HB510XL, M-Tec 8.2ft x 4.2ft Twin Axle Trailer. 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 1.5 tonnes heavier gross
- you want one that is 1.8m (6ft) longer inside
- you want one that carries 760kg more
- you want one that is 46cm (1.5ft) 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 8.2ft x 4.2ft Twin Axle Trailer if...
- you want one that is 740kg lighter empty
A step up in payload and stability over the single-axle 8x4 for small building and agricultural contractors, with braked twin axles for safer towing at higher gross weights.
Listed by
- A & M Trailers & Trailer Parts - Armagh, Milford
Common questions
What is the difference between the Ifor Williams HB510XL and the M-Tec 8.2ft x 4.2ft Twin Axle Trailer?
The M-Tec 8.2ft x 4.2ft Twin Axle Trailer is 740kg lighter empty. The Ifor Williams HB510XL is rated 1.5 tonnes heavier gross and is 1.8m (6ft) longer inside. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the M-Tec 8.2ft x 4.2ft Twin Axle Trailer is a 8.2ft x 4.2ft braked twin axle general purpose trailer.
Which is lighter, the Ifor Williams HB510XL or the M-Tec 8.2ft x 4.2ft Twin Axle Trailer?
The M-Tec 8.2ft x 4.2ft Twin Axle Trailer. It is 740kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams HB510XL or the M-Tec 8.2ft x 4.2ft Twin Axle Trailer?
The Ifor Williams HB510XL, by 760kg.
Can I tow the Ifor Williams HB510XL or the M-Tec 8.2ft x 4.2ft Twin Axle Trailer 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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