Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Indespension U-Tilt Flatbed (16'2" x 6'6")
The Indespension U-Tilt Flatbed (16'2" x 6'6") is 1.5 tonnes lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 1.5 tonnes more empty.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Indespension U-Tilt Flatbed (16'2" x 6'6") | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 2500kg | 1000kg |
| Bed length | - | 16'2" / 4930mm |
| Bed width | - | 6'6" / 1940mm |
| Payload | - | 2500kg |
Sources: Equi-Trek Sonic Five Seats 3,500kg, 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 Sonic Five Seats 3,500kg if...
A five-seat cab variant of the Sonic, aimed at families or small teams who want to travel together to competitions rather than sending a second car. It carries the same horse capacity as the standard Sonic.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Three Counties - Hereford
Buy or hire the U-Tilt Flatbed (16'2" x 6'6") if...
- you want one that is 1.5 tonnes lighter empty
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 Equi-Trek Sonic Five Seats 3,500kg and the Indespension U-Tilt Flatbed (16'2" x 6'6")?
The Indespension U-Tilt Flatbed (16'2" x 6'6") is 1.5 tonnes lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; 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 Equi-Trek Sonic Five Seats 3,500kg or the Indespension U-Tilt Flatbed (16'2" x 6'6")?
The Indespension U-Tilt Flatbed (16'2" x 6'6"). It is 1.5 tonnes lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg 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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