Opal (armoured personnel carrier)

The Opal-I is a multi-purpose fully amphibious armoured personnel carrier developed and produced by HSW S.A. in Poland. APC is a development of MT-LB that was produced in HSW under licence. Major changes are reworked nose section and fitted propellers for better floating speed and manoeuvrability, new turret with 12.7 mm NSVT machine-gun instead of old one with 7.62 PKT and powered-up engine. Opal-II is a stretched variant with longer chassis with 7 road wheels on each side, like the 2S1 and MT-LBu and 300 hp (220 kW) SW680T engine.