Head to head
Ifor Williams HB510XL vs M-Tec 6ft x 4ft Single Axle Trailer
The M-Tec 6ft x 4ft Single Axle Trailer is 1,050kg lighter empty. The Ifor Williams HB510XL is rated 2,750kg heavier gross and carries 1.7 tonnes more.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 1,050kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 2,750kg heavier gross.
- Payload: the Ifor Williams HB510XL carries 1.7 tonnes more.
- Internal length: the Ifor Williams HB510XL is 2.43m (8ft) longer inside.
- Internal width: the Ifor Williams HB510XL is 52cm (1.5ft) wider inside.
Specifications side by side
| Ifor Williams HB510XL | M-Tec 6ft x 4ft Single Axle Trailer | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 1290kg | 240kg |
| Payload | 2210kg | 510kg |
| Internal length | 4.25m | 1820mm |
| Internal width | 1.74m | 1220mm |
| Axles | - | Single |
| Brakes | - | Unbraked |
Sources: Ifor Williams HB510XL, M-Tec 6ft x 4ft Single 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 2,750kg heavier gross
- you want one that carries 1.7 tonnes more
- you want one that is 2.43m (8ft) longer inside
- you want one that is 52cm (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 6ft x 4ft Single Axle Trailer if...
- you want one that is 1,050kg lighter empty
An entry-level box trailer for tradespeople and gardeners moving small loads of tools, waste or turf, light enough to tow on a car licence without a trailer test. Its 750kg gross weight keeps it under the unbraked trailer limit.
Listed by
- A & M Trailers & Trailer Parts - Armagh, Milford
Common questions
What is the difference between the Ifor Williams HB510XL and the M-Tec 6ft x 4ft Single Axle Trailer?
The M-Tec 6ft x 4ft Single Axle Trailer is 1,050kg lighter empty. The Ifor Williams HB510XL is rated 2,750kg heavier gross and carries 1.7 tonnes more. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the M-Tec 6ft x 4ft Single Axle Trailer is a 6ft x 4ft unbraked single axle general purpose trailer.
Which is lighter, the Ifor Williams HB510XL or the M-Tec 6ft x 4ft Single Axle Trailer?
The M-Tec 6ft x 4ft Single Axle Trailer. It is 1,050kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams HB510XL or the M-Tec 6ft x 4ft Single Axle Trailer?
The Ifor Williams HB510XL, by 1.7 tonnes.
Can I tow the Ifor Williams HB510XL or the M-Tec 6ft x 4ft Single 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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