R21125 R21180 R21210 R21250 R2I 80 UC2A/7, 64; R3E 353 FC1C / 178 RC21 180 UO2A, DA1TM3; RC21 401 UO1A 508 RC2I 280 UO2A / 20, 8 B3; RC2I 320 UO2A / 20, 6 B3; RCI 200 UO2A / 18 B3 RCI 250 UO2A / 17, 9; RCI 250 UO2A / 17, 9 B3 reducer mirror gear's; RCI 280 UO2A / 18 B3 RCI 280 UO2A / 20 B3 RCI 320 UO2A / 18 B3