Mueller M Other models
2 models in this series
Müller M – other models: the collective page of trailers outside the named ranges, T4 and T40, 8,600 to 10,400 kg unladen weight, 40,000 kg gross weight
This page gathers the Müller M trailers the register could not assign to a named range – with two listed versions this amounts to the whole known programme of the brand. The types T4 and T40 carry a number readable as a rough size code. Trailers cleared for a 40-tonne gross weight are required to run full air brakes with ABS, since the simple overrun brakes used on lighter trailer classes are not permitted above 10 tonnes. As with many small trailer brands, the values are drawn from registration data, in which each model is listed individually with its technical figures.
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The register lists here 2 versions with unladen weights from 8,600 to 10,400 kg, a gross weight of 40,000 kg, lengths from 10,000 to 10,500 mm and widths from 2,500 to 2,750 mm.
With a gross weight of 40 tonnes for both versions, they reach the upper limit typical in Europe for articulated truck combinations, making them suited to fully loaded heavy-duty transport; the roughly 1.8-tonne difference in unladen weight at the same gross weight means differing payload reserves between the T4 and T40. At this weight, the trailers are generally run as part of a professional haulage fleet rather than by private owners, coupled to whichever tractor unit is on duty.
On a used example in this weight class, axle, brake system and frame condition matter most, along with the function of brake valves and air lines, corrosion on load-bearing parts, and tyre and rim condition. Parts for such a small brand usually run through independent commercial-vehicle workshops rather than a maker's own network.
Sources: SpecCodex register, model data: Mueller M, Zulassungsdaten (Register)
Models
Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
