The transmission type is typically indicated by the fourth and fifth digits of the VIN. For your 1992 Ford Ranger 2.9 4X4, the fourth and fifth digits will be either "M5R1," "M5G1," or "M5R3." These codes correspond to the following transmission types:
* M5R1: 5-speed manual transmission with overdrive
* M5G1: 5-speed manual transmission without overdrive
* M5R3: 5-speed manual transmission with overdrive, heavy-duty
If you are still unsure about the transmission type in your 1992 Ford Ranger 2.9 4X4, you can contact a Ford dealership and provide them with the VIN. The dealership will be able to look up the exact transmission type for your vehicle.