| Узел | Модель |
| (074) - TWO-SPEED ROTOR GEARBOX, LH | (TR86) - TWIN ROTOR COMBINE (7/84-3/94) |
| (09A09) - TWO-SPEED ROTOR GEARBOX, LH | (TR87) - TWIN ROTOR COMBINE (3/94-3/96) |
| (09A09) - 2-SPEED ROTOR GEARBOX, LH | (TR88) - TWIN ROTOR COMBINE (7/96-) |
| (14.03/B) - ROTOR GEARBOX, LH | (TR89) - TWIN ROTOR COMBINE (1/99-) |
| (058) - ROTOR GEARBOX (639704), RH, BTWN S/N 500201 & S/N 501850 | (TR95) - TWIN ROTOR COMBINE (7/79-7/84) |
| (061) - ROTOR GEARBOX (639613), LH, ASN 500201 | (TR95) - TWIN ROTOR COMBINE (7/79-7/84) |
| (068) - ROTOR GEARBOX (639613), LH | (TR96) - TWIN ROTOR COMBINE (7/84-3/94) |
| (09A08) - ROTOR GEARBOX (639613), LH | (TR97) - TWIN ROTOR COMBINE (3/94-3/96) |
| (09A08) - ROTOR GEARBOX (639613), LH | (TR98) - TWIN ROTOR COMBINE (7/96-) |
| (14.03/B) - ROTOR GEARBOX, LH | (TR99) - TWIN ROTOR COMBINE (1/99-) |