| name | image | Ammunition | type | Barrel length (m) | Caliber (m) | Crew | date designed | date end service | date start service | Engine | Height (m) | Country | continent | place of origin | Initial speed (m/s) | Length (m) | mass (kg) | Number built | Operational range (m) | Rate of fire (round/minute) | Speed (m/s) | Width (m) | Military Vehicle |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Monster Mortar |  | 1832 | Belgium | Europe | Belgium | 7,750 |