Sponsons:
https://cults3d.com/en/3d-model/game/tartaros-pattern-land-raider-conversion
https://cults3d.com/en/3d-model/game/land-raider-unarmored-side-sponson

Turret:
https://cults3d.com/en/3d-model/game/torse-defiler-de-siege

Exhaust:
https://cults3d.com/en/3d-model/game/cheminee-def-he

Hull:
https://cults3d.com/en/3d-model/game/urdeshi-armaments-ac-20-scout-vehicle

https://www.thingiverse.com/thing:4336876
https://www.thingiverse.com/thing:2746911
https://www.thingiverse.com/thing:5844425
https://www.thingiverse.com/thing:4444347
https://www.thingiverse.com/thing:4365162
https://www.thingiverse.com/thing:3740595
https://www.thingiverse.com/thing:4662223
https://cults3d.com/en/3d-model/game/bt-7m-o-t-for-dust-warfare-1947
https://cults3d.com/en/3d-model/game/vindicator-conversion
https://www.thingiverse.com/thing:4639887
https://www.thingiverse.com/thing:2011570
https://cults3d.com/en/3d-model/game/hollowed-snake-hair-lady-cannon
https://cults3d.com/en/3d-model/game/armoured-spg-heavily-modified
https://cults3d.com/en/3d-model/game/interstellar-army-field-artillery-weapons
https://cults3d.com/en/3d-model/art/interstellar-army-self-propelled-artillery-weapons
https://cults3d.com/en/3d-model/game/interstellar-army-artillery-platforms
https://cults3d.com/en/3d-model/game/cerberus-aaa-vehicle-and-lindwurm-artillery