Head to head
Ifor Williams HB403 vs Indespension U-Tilt Flatbed (16'2" x 6'6")
The Indespension U-Tilt Flatbed (16'2" x 6'6") carries 1,667kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 233kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Indespension U-Tilt Flatbed (16'2" x 6'6") carries 1,667kg more.
- Gross weight: the Indespension U-Tilt Flatbed (16'2" x 6'6") is rated 1.9 tonnes heavier gross.
- Unladen weight: the Indespension U-Tilt Flatbed (16'2" x 6'6") weighs 233kg more empty.
Specifications side by side
| Ifor Williams HB403 | Indespension U-Tilt Flatbed (16'2" x 6'6") | |
|---|---|---|
| Gross weight | 1600kg | 3500kg |
| Unladen weight | 767kg | 1000kg |
| Payload | 833kg | 2500kg |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Bed length | - | 16'2" / 4930mm |
| Bed width | - | 6'6" / 1940mm |
Sources: Ifor Williams HB403, Indespension U-Tilt Flatbed (16'2" x 6'6"). Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB403 if...
- you want one that is 233kg 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
Buy or hire the U-Tilt Flatbed (16'2" x 6'6") if...
- you want one that carries 1,667kg more
- you want one that is rated 1.9 tonnes heavier gross
The U-Tilt range is Indespension's answer to ramp-loaded plant trailers, tipping the whole bed down rather than using fold-out ramps, which suits low-clearance machinery. It is generally compared with Ifor Williams' ramped GX plant trailers by hire fleets choosing between the two loading systems.
Full U-Tilt Flatbed (16'2" x 6'6") specifications →Common questions
What is the difference between the Ifor Williams HB403 and the Indespension U-Tilt Flatbed (16'2" x 6'6")?
The Indespension U-Tilt Flatbed (16'2" x 6'6") carries 1,667kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 233kg lighter empty. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Indespension U-Tilt Flatbed (16'2" x 6'6") is a a twin-axle tilting flatbed trailer for plant and machinery, using twin hydraulic rams to tip the bed for low loading..
Which is lighter, the Ifor Williams HB403 or the Indespension U-Tilt Flatbed (16'2" x 6'6")?
The Ifor Williams HB403. It is 233kg lighter empty than the Indespension U-Tilt Flatbed (16'2" x 6'6").
Which carries more, the Ifor Williams HB403 or the Indespension U-Tilt Flatbed (16'2" x 6'6")?
The Indespension U-Tilt Flatbed (16'2" x 6'6"), by 1,667kg.
Can I tow the Ifor Williams HB403 or the Indespension U-Tilt Flatbed (16'2" x 6'6") 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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