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Fruehauf ONCZ

7 models in this series

Fruehauf ONCZ – semi-trailer range from the inventor of the semi-trailer: 7 versions, unladen weight from 6,840 to 22,480 kg, gross weight from 30,000 to 42,000 kg, lengths up to 14.8 metres

Fruehauf ONCZ 30-218 A
Pictured: Fruehauf ONCZ 30-218 A

Fruehauf traces back to August Fruehauf, who in 1914 in Detroit developed the coupling of a towing vehicle with a load-bearing trailer – the invention of the semi-trailer, after which the company is named. The model names of the ONCZ range combine the code ONCZ with two numbers separated by a hyphen or a slash and the suffix A, the first number ranging between 30 and 42 and the second between 218 and 330.

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The register lists here 7 versions with unladen weights from 6,840 to 22,480 kg at a gross weight of 30,000 to 42,000 kg. Lengths range from 13,300 to 14,800 mm, and widths from 2,500 to 2,550 mm.

With lengths of up to 14.8 metres and gross weights up to 42 tonnes, the ONCZ range corresponds to classic long semi-trailers for European long-haul transport, as built under the Fruehauf name for decades in several European countries; the wide span of unladen weights points to different bodies, from a simple flatbed to a heavier box body.

When buying a used semi-trailer of this generation, check the frame and chassis rails for corrosion and deformation, the condition of the axles and braking system, the kingpin and landing legs, and the tightness of the tarpaulin or body. Brand-specific parts for the historic Fruehauf semi-trailers are only available to a limited extent, while common axle and brake components can be sourced through the general parts trade.

Sources: SpecCodex register, model data: Fruehauf ONCZ, Fruehauf (Markengruppe)

Models compared

7 of 7 models.

ONCZ 30-218 A2001 ONCZ 30-318A2001 ONCZ 32-220 A2004 ONCZ 32-320 A2004 ONCZ 36-324 A2002 ONCZ 39/327 A2001 ONCZ 42-327 A2004
Top speed 100 km/h 100 km/h 100 km/h 100 km/h 100 km/h 100 km/h 100 km/h
Wheelbase 8,840 mm 9,910 mm 8,700 mm 9,910 mm 9,450 mm 9,490 mm 9,440 mm
Length 13,740 mm 14,800 mm 13,300 mm 14,800 mm 13,950 mm 13,800 mm 13,900 mm
Width 2,550 mm 2,550 mm 2,550 mm 2,550 mm 2,550 mm 2,500 mm 2,550 mm
Unladen weight 8,080 kg 7,920 kg 22,480 kg 7,880 kg 6,920 kg 6,840 kg 7,720 kg
Gross vehicle weight 30,000 kg 30,600 kg 32,000 kg 31,800 kg 36,000 kg 39,000 kg 42,000 kg

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