4-axle Rear-tipping Semi-trailer

This 4-axle U-type rear tipper semi-trailer adopts high-strength manganese steel cargo box with front-mounted hydraulic lifting cylinder for smooth dumping without material blocking. Designed for heavy-load transportation of mine stone, muck, sand, earthwork and bulk cargo. Thickened main beam frame, 4-axle heavy-duty axle and deep-tread heavy-load tires deliver strong loading capacity and excellent shock resistance. Rear double-door design with firm locking to prevent leakage during transportation. Equipped with dual spare tires, outrigger support legs and complete hydraulic system. The whole vehicle adopts anti-rust paint coating to adapt to rough roads and harsh construction site conditions in Africa. It is a non-powered trailer matched with tractor head, featuring high loading/unloading efficiency and easy maintenance, widely used for sand yards, infrastructure projects and mines in Nigeria.

This four-axle U-shaped rear-tipping dump semi-trailer is tailor-made for heavy-duty bulk cargo transportation in West Africa, mainly applied to scenarios including Nigerian mining operations, infrastructure construction, river sand transportation, and earthwork muck outward haulage. The core configurations can be clearly observed at the gooseneck on the front of the semi-trailer: a front-mounted multi-stage hydraulic lifting cylinder is installed in the middle of the gooseneck to deliver powerful power for tipping the entire cargo compartment for unloading. Two spare tires are vertically and symmetrically fixed on both sides of the cylinder, enabling rapid tire replacement in case of tire damage during long-distance driving on remote African construction roads and mining areas to avert downtime losses. Two heavy-duty mechanical support legs are mounted at the bottom of the gooseneck. Lowering the support legs after detaching from the tractor can firmly support the whole vehicle for long-term parking, routine maintenance and hydraulic system servicing.

Two full-size heavy-duty spare tires are vertically mounted symmetrically on the left and right sides of the cylinder. The spare tires are fitted with thickened steel wheel rims, and the mounting brackets are reinforced by welding. This enables rapid tire replacement in case of blowouts during long-distance transportation in African mining areas and off-road wilderness driving to guarantee vehicle attendance rate.

Lower Parking Support Structure: Two heavy-duty mechanical manual outriggers are installed on the left and right at the bottom, featuring thickened upright columns and anti-slip bases. After the trailer is decoupled from the tractor, the outriggers can bear the full weight of the entire vehicle, supporting stable parking, hydraulic system inspection and maintenance, as well as cargo box welding repairs.

Rear Door Base Structure: A U-shaped connecting base for the cargo box rear door is arranged on the upper part with thickened connection plates, providing high-strength mounting points for rear door hinges and locking latches to resist deformation under impact from heavy-load unloading operations.