It's an A512 (1985-1988) that's near BOL. TOL washer for the 12 series machines is an A712. However, if you have a tall tub 12 series washer, all you need is the 712 console w/wiring harness and any Maytag 2 speed motor to convert.
The following link is GadgetGary's A712/DE712 washer/dryer