Head to head
Ifor Williams LM166 vs PRG Trailers ProLine Beavertail
The Ifor Williams LM166 carries 730kg more and is rated 500kg heavier gross. The PRG Trailers ProLine Beavertail has a bed 11cm longer.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams LM166 carries 730kg more.
- Gross weight: the Ifor Williams LM166 is rated 500kg heavier gross.
- Internal bed: the PRG Trailers ProLine Beavertail has a bed 11cm longer.
Specifications side by side
| Ifor Williams LM166 | PRG Trailers ProLine Beavertail | |
|---|---|---|
| Gross weight | 3500kg | 3,000kg (twin axle, 10in wheels) up to 3,500kg (twin axle 13in wheels, and all tri axle models) |
| Payload | 2705kg | 1,975kg to 2,550kg depending on configuration |
| Internal bed | 4.77m x 1.98m | 4.88m to 6.40m long, 2.13m or 2.28m wide |
| Unladen weight | 795kg | - |
| Axles | - | Twin or Tri |
| Brakes | - | Braked (Alko AAA self-adjusting brakes) |
Sources: Ifor Williams LM166, PRG Trailers ProLine Beavertail. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the LM166 if...
- you want one that carries 730kg more
- you want one that is rated 500kg heavier gross
Bought by contractors and hauliers who regularly carry longer loads, such as fencing materials or several pallets, and need more deck length than the LM106 or LM126 provide.
Listed by
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the ProLine Beavertail if...
- you want one that has a bed 11cm longer
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 LM166 and the PRG Trailers ProLine Beavertail?
The Ifor Williams LM166 carries 730kg more and is rated 500kg heavier gross. The PRG Trailers ProLine Beavertail has a bed 11cm longer. The Ifor Williams LM166 is a a long-bed flatbed 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 LM166 or the PRG Trailers ProLine Beavertail?
The Ifor Williams LM166, by 730kg.
Can I tow the Ifor Williams LM166 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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