Problematic chassis will remain for the Ukrainian Armed Forces: a new type of Archer self-propelled gun for Sweden is shown. Problematic chassis will remain for the Ukrainian Armed Forces: a new type of Archer self-propelled gun for Sweden is shown. February 2, 2026 Sweden showcased the Archer self-propelled 155 mm artillery system mounted on a new Rheinmetall MAN HX2 8×8 truck chassis, marking a shift from its previous Volvo-based platform.