This craft was a scaled-up version of the TIE/br boarding shuttle. The lander had a triple hull, and could carry a stormtrooper company. This design was reminiscent of the Imperial troop transport.
The Imperial garrison in Mos Eisley was equipped with TIE Landers. As part of Shira Brie's cover story, her people were said to have been attacked by stormtroopers using these transports.