Head to head
Bockmann Portax L K vs Ifor Williams GP
The Ifor Williams GP is rated 1 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams GP is rated 1 tonnes heavier gross.
Specifications side by side
| Bockmann Portax L K | Ifor Williams GP | |
|---|---|---|
| Gross weight | 2500kg | 3500kg |
| Payload | 1318kg | - |
| Internal length | 4125mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Axles | - | Tri-axle |
Sources: Bockmann Portax L K, Ifor Williams GP. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax L K if...
The longer 'L' version of the Portax K, giving taller or bigger horses more room while keeping the front-exit layout. It appeals to owners of warmbloods or cobs who found the standard Portax K too tight.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the GP if...
- you want one that is rated 1 tonnes heavier gross
Ifor Williams GP, carried by UK dealers and hire companies listed on GetBrent for sale. Plant trailers are the working end of groundworks: contractors and hire firms use them to move mini diggers, dumpers and rollers between sites.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Bockmann Portax L K and the Ifor Williams GP?
The Ifor Williams GP is rated 1 tonnes heavier gross. The Bockmann Portax L K is a long-wheelbase aluminium 2-horse trailer with front exit; the Ifor Williams GP is a plant trailer range.
Can I tow the Bockmann Portax L K or the Ifor Williams GP 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
