Head to head
Ifor Williams CT177 vs Ifor Williams HB506
The Ifor Williams CT177 is rated 900kg heavier gross and is 115kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams CT177 is rated 900kg heavier gross.
- Unladen weight: the Ifor Williams HB506 weighs 115kg more empty.
Specifications side by side
| Ifor Williams CT177 | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 3500kg | 2,600kg |
| Unladen weight | 805kg | 920kg |
| Overall length | 6.70m / 22'0" | - |
| Bed | 5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width) | - |
| Payload | approx. 2695kg | - |
| Internal length | - | 3.16m |
| Internal width | - | 1.67m |
| Brakes | - | Braked |
Sources: Ifor Williams CT177, Ifor Williams HB506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the CT177 if...
- you want one that is rated 900kg heavier gross
- you want one that is 115kg lighter empty
The CT177 is built to be wide enough for most light commercial vehicles while remaining narrow enough for smaller cars, making it a common choice for vehicle recovery firms and the motor trade. Its long bed and 3500kg GVW keep it within standard car-licence towing limits for a single vehicle plus ramps.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the HB506 if...
The mainstream two-horse trailer in Britain, used by private owners and small yards. Its comparatively low unladen weight for the class is the practical point: it widens the range of 4x4s and large SUVs that can legally and comfortably tow it.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams CT177 and the Ifor Williams HB506?
The Ifor Williams CT177 is rated 900kg heavier gross and is 115kg lighter empty. The Ifor Williams CT177 is a a twin-axle car transporter trailer with a long, narrow bed for single-vehicle recovery and trade use.; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Ifor Williams CT177 or the Ifor Williams HB506?
The Ifor Williams CT177. It is 115kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams CT177 or the Ifor Williams HB506 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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