The AZT (Advanced Z-Drive Tractor) designation applies to Z-drive-propelled tractor tugs (drives forward of amidships), designed for harbour or offshore terminal operations. These tugs are classed according to length, and can accommodate a range of powers according to operational needs.

The following AZT designs are available, capable of adaptation to any unique set of operational needs:

AZT 2400
AZT 2800	under development
AZT 3000	under development
AZT 3200	under development
AZT 3400	under development