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Sommer SG 18

Built: 2010-2011 · Series: SG

More machines from model year 2010

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The SG 18 from Sommer is part of the SG series. Production: 2010-2011. The machine is 13,800 mm long and 2,550 mm wide. The unladen weight is 8,300 kg. The wheelbase measures 8,450 mm. Top speed is 100 km/h. The gross vehicle weight is 30,000 kg. The SG series covers 16 models. Unladen weight within it ranges from 4,000 to 8,760 kg; the SG 18 sits at the top of that range with 8,300 kg. Its immediate neighbours are the SG 24T-AX below it with 7,800 kg and the SG 24-AX above it with 8,420 kg. Gross vehicle weight within it ranges from 8,600 to 35,000 kg; here the SG 18 sits in the upper part of that range with 30,000 kg. 129 Sommer models across 7 series are on record.

Sommer SG – the semi-trailer range from the Osnabrück manufacturer: versions from the SG 18 to the SG 800 RT, 10.1 to 13.9 m length, 4.0 to 8.76 t unladen weight and gross weight up to 35 t

The SG range denotes semi-trailers at Sommer Fahrzeugbau of Osnabrück. The versions recorded in the register reach lengths well over ten metres and gross weights up to 35 tonnes, placing them clearly in this vehicle class rather than among the manufacturer's lighter trailers. The type designations range from the SG 18 and SG 50 through the SG 100, SG 100 T and SG 160T to the SG 200 T-A, SG 240T-ATX, SG 299T and SG 800 RT; the suffixes T, AX and ATX mark different chassis and axle versions.

Read on 3 more paragraphs

The register lists 16 versions with unladen weights from 4,000 to 8,760 kg, gross weights from 8,600 to 35,000 kg, lengths from 10,100 to 13,900 mm and widths from 2,500 to 2,550 mm.

Semi-trailers of this size carry general cargo, machinery, building materials or swap bodies in long-haul transport and are pulled by tractor units of various makes; the span from just under nine to 35 tonnes gross weight covers both lighter box trailers and heavy low-loader versions.

On a used semi-trailer of this size, the condition of axles, brakes and air suspension, rust on the frame and kingpin, the tightness of the tarpaulin or box body, and tyres and underrun protection all count; a current roadworthiness report belongs in the check before purchase. The condition of the landing legs and the fifth-wheel coupling plate, along with a complete set of tyres with sufficient tread depth, also belongs in the check.

Sources: Kennwerte der Modelle Sommer SG

Technical data

Dimensions and weights

Length13,800 mmcorrect
Width2,550 mmcorrect
Wheelbase8,450 mmcorrect
Unladen weight8,300 kgcorrect
Gross vehicle weight30,000 kgcorrect

Drivetrain and chassis

Top speed100 km/hcorrect

Frequently asked questions

How much does the Sommer SG 18 weigh?

The unladen weight is 8,300 kg.

What is the gross vehicle weight of the Sommer SG 18?

30,000 kg.

Up to what speed is the Sommer SG 18 approved?

Approved up to 100 km/h.

What are the dimensions of the Sommer SG 18?

13,800 mm × 2,550 mm.

When was the Sommer SG 18 built?

Production years: 2010-2011.

What to check before buying

  • Search the frame and welds at the axle mounts — that is where cracks start.
  • Check the brakes and the last inspection in the papers.
  • Work the gross weight against the towing vehicle before buying.
  • Compare the chassis number with the papers.
  • Look at the floor, cover or body from the inside — rust does not show from outside.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 8 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

The technical data on this page comes from official vehicle registration records (RDW/Traficom), not from the manufacturer.

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Other models in this series

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