Head to head
Ifor Williams GH146 vs Ifor Williams TT3621
The Ifor Williams GH146 is 80kg lighter empty and carries 80kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 80kg more empty.
- Payload: the Ifor Williams GH146 carries 80kg more.
Specifications side by side
| Ifor Williams GH146 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 910kg | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Payload | 2590kg | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Internal bed | 4.285m x 1.84m | - |
| Internal length | - | 3.62m / 11'9" |
| Internal width | - | 1.95m / 6'5" |
Sources: Ifor Williams GH146, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GH146 if...
- you want one that is 80kg lighter empty
- you want one that carries 80kg more
Aimed at plant hire operators who need the longest bed in the GH range for larger excavators or two smaller machines, with a tri-axle chassis to keep payload up within the 3500kg limit.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
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
Common questions
What is the difference between the Ifor Williams GH146 and the Ifor Williams TT3621?
The Ifor Williams GH146 is 80kg lighter empty and carries 80kg more. The Ifor Williams GH146 is a a tri-axle long-bed plant trailer; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which is lighter, the Ifor Williams GH146 or the Ifor Williams TT3621?
The Ifor Williams GH146. It is 80kg lighter empty than the Ifor Williams TT3621.
Which carries more, the Ifor Williams GH146 or the Ifor Williams TT3621?
The Ifor Williams GH146, by 80kg.
Can I tow the Ifor Williams GH146 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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