Bonecruncha
The Bonecruncha is an Ork vehicle. Its primary armament is a Dethrolla that allows it to smash through enemy infantry formations, but it is also equipped with a series of Autocannons and Big Shootas.
Like the Bonebreaka the Bonecruncha was probably mothballed due to striking similarities in both design and armament to the Battlefortress and the aforementioned Bonebreaka.
The main way to differentiate between the Bonecruncha and other Ork heavy vehicles is that its main turreted mount consists of a Twin-Linked armament. If it were to be properly translated to 8th edition, it would probably be classified as a true Ork Heavy tank as it is similar in size and firepower to the Battlewagon's Gunwagon variant while still retaining a Deff Rolla, but lacking troop-carrying capacity.