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Estes Gooseneck – EU class O3 trailer with gooseneck coupling: 5,000 kg gross vehicle weight, 2,400 kg unladen weight, 12.18 m long, built 2007
With a gross vehicle weight of 5,000 kg, the Estes Gooseneck falls into EU trailer class O3, the medium-weight trailers between 3,500 kg and 10,000 kg with their own air brake system. The name comes from its gooseneck coupling: instead of a drawbar, the trailer hangs from a raised coupling arm directly over the towing vehicle's bed, usually a pickup truck or a chassis fitted with a matching hitch plate.
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The Gooseneck was built in 2007, is 12,180 mm long, 2,450 mm wide and has a wheelbase of 8,280 mm. It has an unladen weight of 2,400 kg; against a gross vehicle weight of 5,000 kg, that leaves a payload of 2,600 kg.
The gooseneck coupling moves the hitch point closer to the towing vehicle's rear axle and over its bed, which distributes the hitch load better and allows tighter turns than a conventional drawbar-and-ball coupling. At 12.18 m overall length and an 8,280 mm wheelbase, the body suits long but comparatively light cargo such as vehicles, machinery or building material.
When buying a used gooseneck trailer, the coupling itself matters most: check the hitch ball and mounting plate for wear, play and cracks. Inspect the frame and axle bearings for rust and cracks, the air brake system with its lines and cylinders on every axle, tyres and tread depth, and lighting along the full length. With a build year of 2007, also check the condition of the brake lines after many years in service.
Sources: SpecCodex-Register: Kennwerte des Modells Estes Gooseneck
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Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
