JT8D (JT8D-200)

MTU has been a 12.5% risk-and-revenue-sharing partner in Pratt & Whitney’s JT8D engine program since 1984. The company manufactures low-pressure turbine blades and parts of various modules for the JT8D-200engine family.

The engine has a maximum take-off thrust of 96.5 kN and powers Boeing MD-80 family of aircraft. The large number of installed engines guarantees a consistently high level of demand for spare parts.

Technical Data
Max. thrust	96.5 kN
Bypass ratio	1.74:1
Pressure ratio	21:1
Length	3914 mm
Fan Diameter	1249 mm
Weight	2048 kg

Facts – JT8D

Two-shaft turbofan-engine
Single-stage fan
Six-stage low-pressure compressor
Three-stage low-pressure turbine
Seven-stage high-pressure compressor
Single-stage high-pressure turbine
Improved sealing systems
Cooling of the high-pressure turbine
Exhaust gas mixer

Development at MTU

Modification of the low pressure turbine

Production at MTU

Low-pressure turbine (various parts)
High-pressure compressor and high pressure turbine components

MTU share in the JT8D program

12.5 %

Applications & Partners


Boeing MD-80

Partners

- Pratt & Whitney (P&W, USA)
- Mitsubishi (MHI, Japan)
- Volvo Aero (Sweden)