Head to head
Brian James A-Max 305 vs Ifor Williams GH94BT
The Brian James A-Max 305 has a bed 1.51m (5ft) longer. The Ifor Williams GH94BT carries 135kg more and is rated 100kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Internal bed: the Brian James A-Max 305 has a bed 1.51m (5ft) longer.
- Payload: the Ifor Williams GH94BT carries 135kg more.
- Gross weight: the Ifor Williams GH94BT is rated 100kg heavier gross.
Specifications side by side
| Brian James A-Max 305 | Ifor Williams GH94BT | |
|---|---|---|
| Gross weight | 2600kg | 2700kg |
| Payload | 2035kg | 2170kg |
| Internal bed | 4.3m x 1.96m | 2.79m x 1.31m |
| Unladen weight | - | 530kg |
Sources: Brian James A-Max 305, Ifor Williams GH94BT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A-Max 305 if...
- you want one that has a bed 1.51m (5ft) longer
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 GH94BT if...
- you want one that carries 135kg more
- you want one that is rated 100kg heavier gross
Chosen over the standard GH94 by operators who want the heavier-duty BT chassis and tyres for regular loaded towing rather than occasional use, at the cost of a little unladen weight and payload.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James A-Max 305 and the Ifor Williams GH94BT?
The Brian James A-Max 305 has a bed 1.51m (5ft) longer. The Ifor Williams GH94BT carries 135kg more and 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 Ifor Williams GH94BT is a a braked-tandem version of the GH94 plant trailer.
Which carries more, the Brian James A-Max 305 or the Ifor Williams GH94BT?
The Ifor Williams GH94BT, by 135kg.
Can I tow the Brian James A-Max 305 or the Ifor Williams GH94BT 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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