1.1 6.1 - Type X 1.2 6.2 - Type XB 1.3 6.3 - Type XF 1.4 6.4 - Type XI 1.5 6.5 - Type XJ 1.6 6.6 - Type XND 1.7 6.7 - Type XNG 1.8 6.8 - Type XP 1.9 6.9 - Type XPR 1.10 6.10 - Type XPF.M 1.11