Head to head
Ifor Williams HB403 vs PRG Trailers ProLine Beavertail
The PRG Trailers ProLine Beavertail carries 1,142kg more and is rated 1.4 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the PRG Trailers ProLine Beavertail carries 1,142kg more.
- Gross weight: the PRG Trailers ProLine Beavertail is rated 1.4 tonnes heavier gross.
Specifications side by side
| Ifor Williams HB403 | PRG Trailers ProLine Beavertail | |
|---|---|---|
| Gross weight | 1600kg | 3,000kg (twin axle, 10in wheels) up to 3,500kg (twin axle 13in wheels, and all tri axle models) |
| Payload | 833kg | 1,975kg to 2,550kg depending on configuration |
| Unladen weight | 767kg | - |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Internal bed | - | 4.88m to 6.40m long, 2.13m or 2.28m wide |
| Axles | - | Twin or Tri |
| Brakes | - | Braked (Alko AAA self-adjusting brakes) |
Sources: Ifor Williams HB403, PRG Trailers ProLine Beavertail. Figures vary by model year and options, so check with the supplier before you commit.
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
Buy or hire the ProLine Beavertail if...
- you want one that carries 1,142kg more
- you want one that is rated 1.4 tonnes heavier gross
The ProLine Beavertail suits owners of low-ground-clearance cars, since its beavertail ramp lets a car drive on and off without grounding, unlike a flat-bed transporter. PRG offers it across twin and tri-axle chassis so buyers can match the trailer to a 3000kg or 3500kg tow limit.
Listed by
- Compass Trailers - Lewes, Ringmer
Common questions
What is the difference between the Ifor Williams HB403 and the PRG Trailers ProLine Beavertail?
The PRG Trailers ProLine Beavertail carries 1,142kg more and is rated 1.4 tonnes heavier gross. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the PRG Trailers ProLine Beavertail is a pRG Trailers' open beavertail car trailer range, built with a hinged tail ramp for loading low cars..
Which carries more, the Ifor Williams HB403 or the PRG Trailers ProLine Beavertail?
The PRG Trailers ProLine Beavertail, by 1,142kg.
Can I tow the Ifor Williams HB403 or the PRG Trailers ProLine Beavertail 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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