Head to head
HM Trailers DC20 vs Ifor Williams LM146
The HM Trailers DC20 is a 12m3 commercial dump trailer. The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty lm range..
Last reviewed 13 September 2026
Specifications side by side
| HM Trailers DC20 | Ifor Williams LM146 | |
|---|---|---|
| Overall length | 7284mm (23ft) | 5.60m |
| Capacity | 12 cubic metres | - |
| Body length | 5200mm (17ft) | - |
| Width | 2550mm (8ft 4in) | - |
| Max tipped height | 6210mm (20ft 4in) | - |
| Axles | 2 x 127mm round axles, 385/65 R22.5 wheels | - |
| Overall width | - | 2.10m |
| Bed | - | 4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width) |
| Gross weight | - | 3500kg |
| Unladen weight | - | 735kg |
| Payload | - | 2765kg |
| Tyres | - | 195/60R12C |
Sources: HM Trailers DC20, Ifor Williams LM146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the DC20 if...
A dump trailer for hauling muck, aggregate or waste on a construction site, built to tip clear over a high-sided skip or wagon. Its round-axle running gear and reinforced chassis suit off-road site use rather than road haulage.
Listed by
- H M Trailers - Ongar, Fyfield
Buy or hire the LM146 if...
The LM146 is a general-purpose flatbed aimed at landscaping, construction and plumbing trades that need a long, wide load bed with a high payload on a single 3500kg-braked chassis. It is used where loads are bulky or awkwardly shaped rather than plant machinery, which typically goes on the ramped GX range instead.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- G-Tec Trailers - Thetford, Holme Hale
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the HM Trailers DC20 and the Ifor Williams LM146?
The HM Trailers DC20 is a 12m3 commercial dump trailer; the Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range..
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