Drivetrain System

This post will discuss the Mi-17 Drivetrain system.




Mi-17 Main transmision

Drive train system transmits torque from the two engines to the main rotor, tail rotor, oil cooler fan, and other main transmission accessories at reduced RPM.

Drive train system includes the following:

• Main transmission
• Intermediate gearbox
• Tail rotor gearbox
• Main rotor mast
• Tail rotor driveshaft
• Main rotor braking system
• Drive system monitoring instruments.

Main transmission mounts on the center fuselage deck panel to reinforced frames No.7 and No.10.

Intermediate gearbox mounts in the vertical stabilizer at frame No.3.

Tail rotor gearbox mounts to the vertical stabilizer at the flange of frame No.9.

Drive train system monitoring provides instrument indications in the cockpit of the following:

• Main transmission oil temperature and pressure.
• Intermediate and tail rotor gearbox oil temperatures.
• Main transmission intermediate and tail rotor gearbox chip lights.