A loader coupler includes a body with spaced-apart inner rib mounts for mating respectively with ribs of a first type of attachment. The body also includes inner locking regions that are vertically aligned with the inner rib mounts. Spaced-apart outer rib mounts are also provided on the body and are adapted to mate respectively with a second type of attachment. Outer locking regions are vertically aligned with the outer rib mounts. A lock system is connected to the body and includes: (i) a first actuator operatively connected to left and right first lock plungers and adapted to move the left and right first lock plungers between locked and unlocked positions; and, (ii) a second actuator operatively connected to left and right second lock plungers and adapted to move the left and right second lock plungers between locked and unlocked positions.