Gear NV3550 5-speed manual, used with 2.5 L I4 diesel, 4.0 L I6, 23 spline output. [ edit ] Automatic transmissions 1984–1986: Chrysler A904 3-speed automatic , used with 2.5 L I4 and 2.8 L V6. 1987–2001: Aisin-Warner AW-4 4-speed