Head to head
Bockmann AH 4320/30 vs Ifor Williams HB510XL
The Ifor Williams HB510XL is rated 500kg heavier gross and carries 87kg more.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB510XL is rated 500kg heavier gross.
- Payload: the Ifor Williams HB510XL carries 87kg more.
Specifications side by side
| Bockmann AH 4320/30 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3,000kg | 3500kg |
| Payload | 2,123kg | 2210kg |
| Interior length | 4,300mm | - |
| Interior width | 2,080mm | - |
| Loading angle | 10 degrees (hydraulic tilt bed) | - |
| Unladen weight | - | 1290kg |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Bockmann AH 4320/30, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the AH 4320/30 if...
A low-angle hydraulic tilt-bed car transporter for loading standard cars without ramps. It suits vehicle traders, recovery firms and enthusiasts moving one car at a time behind a family-sized tow car.
Listed by
- Manningtree Hire & Self Storage - Manningtree, Lawford
Buy or hire the HB510XL if...
- you want one that is rated 500kg heavier gross
- you want one that carries 87kg more
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
Common questions
What is the difference between the Bockmann AH 4320/30 and the Ifor Williams HB510XL?
The Ifor Williams HB510XL is rated 500kg heavier gross and carries 87kg more. The Bockmann AH 4320/30 is a twin-axle car transporter trailer; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which carries more, the Bockmann AH 4320/30 or the Ifor Williams HB510XL?
The Ifor Williams HB510XL, by 87kg.
Can I tow the Bockmann AH 4320/30 or the Ifor Williams HB510XL 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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