Head to head
Brian James A Transporter (A4) vs Humbaur HTK
The Humbaur HTK is rated 1.5 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Humbaur HTK is rated 1.5 tonnes heavier gross.
Specifications side by side
| Brian James A Transporter (A4) | Humbaur HTK | |
|---|---|---|
| Gross weight | 2,000kg to 3,000kg depending on variant | 3500kg |
| Brakes | Braked, tandem axle | Braked |
| Bed | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant | - |
| Payload | - | 2550kg |
| Internal bed | - | 3.14m x 1.75m |
| Axles | - | Twin |
Sources: Brian James A Transporter (A4), Humbaur HTK. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A Transporter (A4) if...
One of the most common car trailers in Britain, bought by trade and private owners for moving road cars, project cars and small vans. The reason it sells is the spread of bed length and gross weight combinations, which lets you match the trailer to the tow car rather than the other way round.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Bicester Trailer Centre - Bicester
- Trek-Trailers Three Counties - Hereford
Buy or hire the HTK if...
- you want one that is rated 1.5 tonnes heavier gross
A heavy-duty three-way tipper for builders' merchants and groundworkers who need to tip to either side as well as the rear. The wide model line (2000kg to 3500kg gross) lets buyers pick a size without moving to a different range.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Brian James A Transporter (A4) and the Humbaur HTK?
The Humbaur HTK is rated 1.5 tonnes heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Humbaur HTK is a a tandem-axle three-way tipping trailer for construction and agricultural use.
Can I tow the Brian James A Transporter (A4) or the Humbaur HTK 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.