Seaport terminals, inland container depots and intermodal railway-container transfer fleets rely on skeleton Container flatbed semi trailers (skeleton chassis) to transport standard international containers, with core requirements of accurate container locking, lightweight frame and stable high-speed driving performance. Shandong Junchi’s full-size skeleton container flatbed semi trailers cover 20ft single-container, 40ft/45ft single-container and dual 20ft combined container skeleton models, specially optimized for port container fast turnover operations, and have obtained bulk annual orders from seaport logistics companies in Southeast Asia, the Middle East and Eastern Europe.
The main frame of Junchi skeleton container flatbed semi trailers adopts hollow lightweight high-strength steel beam structure, removing redundant solid steel plates of traditional flatbed trailers, cutting the self-weight of the 40ft skeleton chassis by nearly 1 ton. The reduced self-weight directly increases the effective container cargo loading tonnage under the same highway weight limit regulations, which brings obvious single-trip revenue growth for port container transport fleets that undertake cross-border container freight business. The four-corner container twist locks use forged thickened steel synchronous locking structure; after locking the container corner holes, the horizontal sliding gap is controlled within 2mm, completely eliminating the risk of container shifting and falling during high-speed highway driving and sharp turns.
Multiple twist lock control modes are available for port operation demands: manual rotary twist locks for small inland depots with low daily container turnover; pneumatic remote control twist locks for large seaport terminals with high container throughput; drivers can control the locking and unlocking of all twist locks through the cab pneumatic switch without getting off the vehicle, greatly improving the container loading and unloading efficiency of port terminals. The skeleton beam surface undergoes full shot blasting anti-rust pretreatment and multi-layer marine anti-corrosion paint spraying, adapting to the high salt fog environment of coastal seaports, and the frame will not produce large-area rust peeling within 10 years of coastal operation.
The chassis supporting system matches port long-distance intermodal transport standards, equipped with 3-axle heavy-duty axles, air suspension and ABS dual-line air brake system. Air suspension can buffer road vibration during container transportation, reducing the risk of fragile goods damage inside the container. Clients can customize the skeleton length, number of twist locks, twist lock control mode, tire specifications and rear anti-collision buffer plates according to the mainstream container sizes of local ports and daily container transport volume. Shandong Junchi’s technical team can also design dual-purpose skeleton flatbed schemes that can carry both two 20ft containers and one 40ft container, maximizing the utilization rate of each skeleton chassis for port fleets with mixed container transport demands.
All skeleton container flatbed semi trailers complete full-load container fixing vibration tests and salt fog anti-corrosion simulation tests before leaving the factory, and provide complete port logistics vehicle export certification documents for customs clearance in coastal countries. A major seaport logistics operator in Oman signed a 3-year annual procurement framework agreement with Shandong Junchi for skeleton container flatbed semi trailers, stating that the lightweight frame and pneumatic remote twist locks of Junchi skeleton chassis reduced the port’s average container turnover time by 30%, and the annual fuel cost of the fleet dropped significantly due to the reduced vehicle self-weight. Focused on port fast container turnover demands, Shandong Junchi skeleton container flatbed semi trailers deliver lightweight design, accurate container locking and efficient operation performance for global seaport and inland depot logistics fleets.
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