Head to head
Brian James A-Max 305 vs Ifor Williams GH Plant with DigaDoc
The Brian James A-Max 305 has a bed 1.51m (5ft) longer. The Ifor Williams GH Plant with DigaDoc 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.
- Gross weight: the Ifor Williams GH Plant with DigaDoc is rated 100kg heavier gross.
Specifications side by side
| Brian James A-Max 305 | Ifor Williams GH Plant with DigaDoc | |
|---|---|---|
| Gross weight | 2600kg | 2700kg |
| Internal bed | 4.3m x 1.96m | 2.79m x 1.31m |
| Payload | 2035kg | - |
| Unladen weight | - | 609kg |
Sources: Brian James A-Max 305, Ifor Williams GH Plant with DigaDoc. 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 GH Plant with DigaDoc if...
- you want one that is rated 100kg heavier gross
Bought by plant hire and groundworks firms that need to prove what left the yard and where it went, since DigaDoc records load movements electronically on top of the standard GH plant trailer chassis. It is the same GH94 base trailer as the plain GH94, with the tracking hardware added.
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 GH Plant with DigaDoc?
The Brian James A-Max 305 has a bed 1.51m (5ft) longer. The Ifor Williams GH Plant with DigaDoc 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 GH Plant with DigaDoc is a a plant trailer fitted with the manufacturer's DigaDoc load-tracking system.
Can I tow the Brian James A-Max 305 or the Ifor Williams GH Plant with DigaDoc 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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