Head to head
Ifor Williams HB511 vs M-Tec 8.2ft x 4.2ft Twin Axle Trailer
The M-Tec 8.2ft x 4.2ft Twin Axle Trailer is 450kg lighter empty. The Ifor Williams HB511 is 1.07m (3.5ft) longer inside and is 51cm (1.5ft) wider inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB511 weighs 450kg more empty.
- Internal length: the Ifor Williams HB511 is 1.07m (3.5ft) longer inside.
- Internal width: the Ifor Williams HB511 is 51cm (1.5ft) wider inside.
- Gross weight: the Ifor Williams HB511 is rated 700kg heavier gross.
Specifications side by side
| Ifor Williams HB511 | M-Tec 8.2ft x 4.2ft Twin Axle Trailer | |
|---|---|---|
| Gross weight | 2,700kg | 2000kg |
| Unladen weight | 1,000kg | 550kg |
| Internal length | 3.52m | 2450mm |
| Internal width | 1.79m | 1280mm |
| Brakes | Braked | Braked (Knott, 4 wheels) |
| Payload | - | 1450kg |
| Axles | - | Twin |
Sources: Ifor Williams HB511, 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 HB511 if...
- you want one that is 1.07m (3.5ft) longer inside
- you want one that is 51cm (1.5ft) wider inside
- you want one that is rated 700kg heavier gross
The wider step up from the HB506, for larger horses or owners who want more room in transit. The extra 12cm of internal width and 36cm of length cost 80kg unladen, which is worth checking against your tow vehicle before choosing it over the HB506.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Buy or hire the 8.2ft x 4.2ft Twin Axle Trailer if...
- you want one that is 450kg 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 HB511 and the M-Tec 8.2ft x 4.2ft Twin Axle Trailer?
The M-Tec 8.2ft x 4.2ft Twin Axle Trailer is 450kg lighter empty. The Ifor Williams HB511 is 1.07m (3.5ft) longer inside and is 51cm (1.5ft) wider inside. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; 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 HB511 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 450kg lighter empty than the Ifor Williams HB511.
Can I tow the Ifor Williams HB511 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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