Head to head
Brian James A-Max 305 vs Richardson Trailers Supreme Treble
The Richardson Trailers Supreme Treble is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Richardson Trailers Supreme Treble is rated 100kg heavier gross.
Specifications side by side
| Brian James A-Max 305 | Richardson Trailers Supreme Treble | |
|---|---|---|
| Gross weight | 2600kg | 2,700kg |
| Payload | 2035kg | - |
| Internal bed | 4.3m x 1.96m | - |
| Capacity | - | 2 horses forward, 1 pony reversed |
| Unladen weight | - | 1,260kg |
| External dimensions | - | 5.40m long x 2.29m wide x 2.75m high |
| Internal dimensions | - | 3.54m long x 1.80m wide x 2.33m high |
Sources: Brian James A-Max 305, Richardson Trailers Supreme Treble. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A-Max 305 if...
Suits owners of larger saloons or estate cars who have outgrown the shorter A-Max 210 but do not need a full car-transporter range trailer. The extra bed length and payload give more margin for a heavier road car.
Listed by
- A47 Barwell Trailers Sales Hire Service Ltd - Leicester, Barwell
Buy or hire the Supreme Treble if...
- you want one that is rated 100kg heavier gross
A three-berth Richardson trailer built for a household with two horses and a pony rather than a full string. The reversed pony bay keeps overall length down compared with three forward-facing berths, which suits smaller yards and tow vehicles.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Brian James A-Max 305 and the Richardson Trailers Supreme Treble?
The Richardson Trailers Supreme Treble is rated 100kg heavier gross. The Brian James A-Max 305 is a a longer, higher-capacity version of the A-Max flatbed car trailer; the Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed.
Can I tow the Brian James A-Max 305 or the Richardson Trailers Supreme Treble 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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