Head to head
Bockmann AH 4320/30 vs Ifor Williams HB403
The Bockmann AH 4320/30 carries 1,290kg more and is rated 1.4 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Bockmann AH 4320/30 carries 1,290kg more.
- Gross weight: the Bockmann AH 4320/30 is rated 1.4 tonnes heavier gross.
Specifications side by side
| Bockmann AH 4320/30 | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 3,000kg | 1600kg |
| Payload | 2,123kg | 833kg |
| Interior length | 4,300mm | - |
| Interior width | 2,080mm | - |
| Loading angle | 10 degrees (hydraulic tilt bed) | - |
| Unladen weight | - | 767kg |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Bockmann AH 4320/30, Ifor Williams HB403. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the AH 4320/30 if...
- you want one that carries 1,290kg more
- you want one that is rated 1.4 tonnes heavier gross
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 HB403 if...
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Bockmann AH 4320/30 and the Ifor Williams HB403?
The Bockmann AH 4320/30 carries 1,290kg more and is rated 1.4 tonnes heavier gross. The Bockmann AH 4320/30 is a twin-axle car transporter trailer; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which carries more, the Bockmann AH 4320/30 or the Ifor Williams HB403?
The Bockmann AH 4320/30, by 1,290kg.
Can I tow the Bockmann AH 4320/30 or the Ifor Williams HB403 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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