Head to head
Bockmann AH 4320/30 vs Ifor Williams TT3621
The Ifor Williams TT3621 carries 387kg more and is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams TT3621 carries 387kg more.
- Gross weight: the Ifor Williams TT3621 is rated 500kg heavier gross.
Specifications side by side
| Bockmann AH 4320/30 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 3,000kg | 3500kg |
| Payload | 2,123kg | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Interior length | 4,300mm | - |
| Interior width | 2,080mm | - |
| Loading angle | 10 degrees (hydraulic tilt bed) | - |
| Unladen weight | - | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Internal length | - | 3.62m / 11'9" |
| Internal width | - | 1.95m / 6'5" |
Sources: Bockmann AH 4320/30, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the AH 4320/30 if...
A low-angle hydraulic tilt-bed car transporter for loading standard cars without ramps. It suits vehicle traders, recovery firms and enthusiasts moving one car at a time behind a family-sized tow car.
Listed by
- Manningtree Hire & Self Storage - Manningtree, Lawford
Buy or hire the TT3621 if...
- you want one that carries 387kg more
- you want one that is rated 500kg heavier gross
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
Common questions
What is the difference between the Bockmann AH 4320/30 and the Ifor Williams TT3621?
The Ifor Williams TT3621 carries 387kg more and is rated 500kg heavier gross. The Bockmann AH 4320/30 is a twin-axle car transporter trailer; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which carries more, the Bockmann AH 4320/30 or the Ifor Williams TT3621?
The Ifor Williams TT3621, by 387kg.
Can I tow the Bockmann AH 4320/30 or the Ifor Williams TT3621 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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