This Wielton Wielton Strong Master 3-ACHS Stahlmulde 26 CBM is a tipping semi-trailer — sometimes referred to as a tipper trailer or walking floor trailer — designed to haul and discharge bulk materials such as aggregates, sand, grain, waste, and similar loose loads. Wielton is a well-established European manufacturer of semi-trailers, trailers, and bodywork, supplying the transport and logistics industries across a broad range of vehicle types. This example is a 2024 model in used condition, located in Germany, and offered at €29,900.
The trailer is built around a super-light, straight chassis frame fabricated from high-strength S700 steel using welded, weight-optimised construction, with a recessed fifth-wheel plate area. The chassis is finished in RAL 7021 black-grey. Three rigid SAF disc axles are fitted, each rated at 9,000 kg capacity and equipped with 22.5 INTRADISC CD hubs, giving a combined axle load capacity well in excess of the stated 8,000 kg per axle limit. The first axle is a lift axle, controlled by a cable from the driver's cab. Suspension is by air, with a fifth-wheel height of 1,200 mm unloaded and a 1,310 mm wheelbase between the rear axle pair. The kingpin-to-second-axle distance is 4,800 mm. Braking is handled by a Wabco 2S/2M system with a steel air chamber and spring-loaded pressure gauge, and an automatic lowering function is integrated for the tipping cycle.
The steel tipping body holds 26 cubic metres and is constructed with a 4.5 mm Hardox floor and 4.5 mm Hardox side walls throughout, with the front wall angled at 20 degrees. Internal dimensions are 7,410 mm in length, 2,346 mm in width, and 1,515 mm in height. A steel hinged hatch is fitted at the rear, secured by two lower tension locks. The body is painted RAL 7001 silver-grey, with all steel components blasted twice prior to painting. Tipping is powered by a HYVA hydraulic cylinder in an eye-mounted top configuration, with a hydraulic connection kit included. Maximum tipped height is 8,272 mm. Cover is provided by a PVC roll-top tarpaulin rated at 680 g/m² with a quick-release fastener, aluminium winding tube, and front and rear extension triangles, with a centre tube welded into the tarpaulin; the tarp is finished in RAL 9006 white-aluminium.
Overall dimensions place the trailer at 8,801 mm in total length without the chute and 8,962 mm with it, 2,550 mm wide, with a ground height of 1,464 mm and a track gauge of 2,040 mm. Rear overhang is 1,296 mm without the chute and 1,457 mm with it. The trailer has an unladen weight of 6,376 kg, a total permissible gross weight of 36,000 kg, and a technical gross weight of 39,000 kg, with a fifth-wheel load rating of 12,000 kg.
Running gear consists of six steel rims sized ET-120 complete with wheel nut caps, and six tyres in 385/65 R22.5. Full LED lighting is fitted throughout, supplied by Aspöck ECOLED II units with flashing side marker lights and a dedicated LED reversing light. Electrical connections comprise two 7-pin and one 15-pin connector with EBS integration. A TPMS system by ABERG Connect monitors tyre pressure and temperature via sensors mounted on the rims and linked to the EBS unit. Side impact protection is fabricated from aluminium profiles to ECE 73 standards, and steel underrun protection is fitted front and rear, with the rear bar foldable. Support legs are SAF Hercules two-speed, full-load rated.
Practical chassis equipment includes an aluminium access ladder of 840 mm, a shovel and broom mounted above the fender, a 44-litre toolbox positioned at the front left of the chassis, and a 30
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