Head to head
Ifor Williams CT177 vs Ifor Williams HB510XL
The Ifor Williams CT177 is 485kg lighter empty and carries 485kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 485kg more empty.
- Payload: the Ifor Williams CT177 carries 485kg more.
Specifications side by side
| Ifor Williams CT177 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 805kg | 1290kg |
| Payload | approx. 2695kg | 2210kg |
| Overall length | 6.70m / 22'0" | - |
| Bed | 5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width) | - |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Ifor Williams CT177, Ifor Williams HB510XL. 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 485kg lighter empty
- you want one that carries 485kg more
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 HB510XL if...
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Ifor Williams CT177 and the Ifor Williams HB510XL?
The Ifor Williams CT177 is 485kg lighter empty and carries 485kg more. 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 HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Ifor Williams CT177 or the Ifor Williams HB510XL?
The Ifor Williams CT177. It is 485kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams CT177 or the Ifor Williams HB510XL?
The Ifor Williams CT177, by 485kg.
Can I tow the Ifor Williams CT177 or the Ifor Williams HB510XL 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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