| Узел | Модель |
| (087) - ROTOR GEARBOX, LH | (TR75) - TWIN ROTOR COMBINE (7/79-7/85) |
| (088) - ROTOR GEARBOX, RH | (TR75) - TWIN ROTOR COMBINE (7/79-7/85) |
| (087) - ROTOR GEARBOX, LH | (TR85) - TWIN ROTOR COMBINE (7/79-7/84) |
| (088) - ROTOR GEARBOX, RH | (TR85) - TWIN ROTOR COMBINE (7/79-7/84) |
| (071) - TWO-SPEED GEARBOX (773580), RH | (TR86) - TWIN ROTOR COMBINE (7/84-3/94) |
| (072) - ROTOR GEARBOX (637615) BREAKDOWN, RH | (TR86) - TWIN ROTOR COMBINE (7/84-3/94) |
| (073) - ROTOR GEARBOX (637616) BREAKDOWN, LH | (TR86) - TWIN ROTOR COMBINE (7/84-3/94) |
| (074) - TWO-SPEED ROTOR GEARBOX, LH | (TR86) - TWIN ROTOR COMBINE (7/84-3/94) |
| (057) - ROTOR GEARBOX (710972) BREAKDOWN, RH, BSN 500200 | (TR95) - TWIN ROTOR COMBINE (7/79-7/84) |
| (058) - ROTOR GEARBOX (639704), RH, BTWN S/N 500201 & S/N 501850 | (TR95) - TWIN ROTOR COMBINE (7/79-7/84) |
| (059) - ROTOR GEARBOX (693062), RH, ASN 501851 | (TR95) - TWIN ROTOR COMBINE (7/79-7/84) |
| (060) - ROTOR GEARBOX (710971) BREAKDOWN, LH, BSN 500200 | (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) |
| (069) - ROTOR GEARBOX (693062), RH | (TR96) - TWIN ROTOR COMBINE (7/84-3/94) |
| (069A) - GEARBOX (9623893), RH, 2-SPEED | (TR96) - TWIN ROTOR COMBINE (7/84-3/94) |
| (09A06) - ROTOR GEARBOX (693062), RH | (TR97) - TWIN ROTOR COMBINE (3/94-3/96) |
| (09A07) - GEARBOX, RH, 2-SPEED | (TR97) - TWIN ROTOR COMBINE (3/94-3/96) |
| (09A06) - ROTOR GEARBOX (693062), RH | (TR98) - TWIN ROTOR COMBINE (7/96-) |
| (09A07) - GEARBOX, RH, 2-SPEED | (TR98) - TWIN ROTOR COMBINE (7/96-) |