Head to head
Brian James Digger Plant vs Ifor Williams CT166
The Ifor Williams CT166 has a bed 1.67m (5.5ft) longer.
Last reviewed 13 September 2026
Key differences
- Internal bed: the Ifor Williams CT166 has a bed 1.67m (5.5ft) longer.
Specifications side by side
| Brian James Digger Plant | Ifor Williams CT166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Internal bed | 3.2m x 1.7m | 4.87m x 1.90m |
| Axles | Twin (12in wheels) | - |
| Unladen weight | - | 885kg |
| Payload | - | 2615kg |
Sources: Brian James Digger Plant, Ifor Williams CT166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Digger Plant if...
Used by groundworkers and plant hire firms to move a mini digger between sites behind a pickup or 4x4. Its bed size and gross weight target machines around the 3 to 3.5 tonne mark rather than heavier plant.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the CT166 if...
- you want one that has a bed 1.67m (5.5ft) longer
Bought by garages, recovery operators and plant hire firms who load low vehicles or compact machinery by tilting the deck to ground level instead of driving up loading ramps. The narrower CT166 bed suits standard cars and single machines.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James Digger Plant and the Ifor Williams CT166?
The Ifor Williams CT166 has a bed 1.67m (5.5ft) longer. The Brian James Digger Plant is a a twin-axle plant trailer built for carrying a mini excavator or similar machine; the Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer.
Can I tow the Brian James Digger Plant or the Ifor Williams CT166 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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