Head to head
Ifor Williams TT3621 vs Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is 245kg lighter empty and carries 245kg more.
Last reviewed 13 September 2026
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Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 245kg more empty.
- Payload: the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) carries 245kg more.
Specifications side by side
| Ifor Williams TT3621 | Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) | 745kg |
| Payload | 2510kg (195/60R12C) or 2500kg (185/70R13C) | 2755kg |
| Internal length | 3.62m / 11'9" | - |
| Internal width | 1.95m / 6'5" | - |
| Internal size | - | 3.04 x 1.68 |
| Bed height | - | 430mm |
Sources: Ifor Williams TT3621, Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS). Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the TT3621 if...
The largest Ifor Williams tipper. A 3.6m by 1.95m body is chosen for bulky, lighter loads - green waste, clearance and bark - where volume runs out before weight does, and it is a staple of plant and tool hire fleets. Formerly sold as the TT126.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Lancaster trailer hire - ELY
Buy or hire the Challenger 50 Beavertail 10 x 5 (AD35105BTS) if...
- you want one that is 245kg lighter empty
- you want one that carries 245kg more
A UK built galvanised plant trailer with a low loading beavertail for mini diggers, scissor lifts and rollers. Common on mini digger hire fleets and with small groundworks firms.
Full Challenger 50 Beavertail 10 x 5 (AD35105BTS) specifications →Common questions
What is the difference between the Ifor Williams TT3621 and the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is 245kg lighter empty and carries 245kg more. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is a 10 ft x 5 ft 3.5 tonne beavertail plant trailer.
Which is lighter, the Ifor Williams TT3621 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS). It is 245kg lighter empty than the Ifor Williams TT3621.
Which carries more, the Ifor Williams TT3621 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS), by 245kg.
Can I tow the Ifor Williams TT3621 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) 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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