... x 2, 500 x 1, 500mm B) King pin height: 1, 300mm C) King pin setting: 1, 000mm from rear ... system: A) Suspension system: Leaf spring or airbag suspension B) Axle: Various axles like BPW, YORK, FUWA ect ... Various brands of bias tyres or radial tyres D) King pin: Forged steel, 2" or 3.5", welded ... single air tank, standard connectors on front bolster B) Optional anti-lock brake system 5) Electrical system ...