What year was my Maytag heavy duty dryer model LDC 7400 aw?

The Maytag heavy duty dryer model LDC 7400 AW was typically manufactured in the late 1990s. Most models in this range were produced around 1997 to 1999. To get the exact year for your specific unit, you can check the serial number, which is usually located on the door frame or the back panel.