Head to head
Ifor Williams CT177 vs Ifor Williams HB403
The Ifor Williams CT177 carries 1,862kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 38kg lighter empty.
Last reviewed 13 September 2026


Key differences
- Payload: the Ifor Williams CT177 carries 1,862kg more.
- Gross weight: the Ifor Williams CT177 is rated 1.9 tonnes heavier gross.
- Unladen weight: the Ifor Williams CT177 weighs 38kg more empty.
Specifications side by side
| Ifor Williams CT177 | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 3500kg | 1600kg |
| Unladen weight | 805kg | 767kg |
| Payload | approx. 2695kg | 833kg |
| Overall length | 6.70m / 22'0" | - |
| Bed | 5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width) | - |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Ifor Williams CT177, Ifor Williams HB403. 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 carries 1,862kg more
- you want one that is rated 1.9 tonnes heavier gross
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 HB403 if...
- you want one that is 38kg lighter empty
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- 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 HB403?
The Ifor Williams CT177 carries 1,862kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 38kg 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 HB403 is a a compact single-horse or two-pony horsebox trailer.
Which is lighter, the Ifor Williams CT177 or the Ifor Williams HB403?
The Ifor Williams HB403. It is 38kg lighter empty than the Ifor Williams CT177.
Which carries more, the Ifor Williams CT177 or the Ifor Williams HB403?
The Ifor Williams CT177, by 1,862kg.
Can I tow the Ifor Williams CT177 or the Ifor Williams HB403 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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