| Year | 1928 |
| Weapon Type | Heavy Howitzer |
| Origin & Designer | Czechoslovakia/Skoda |
| Numbers Produced | 10 |
| Crew | 17 |
| Calibre | 220mm |
| Elevation | -4° to +75° |
| Traverse | 360° |
| Breech | Interrupted Screw |
| Recoil | Hydropneumatic |
| Gun Sight | [@gun_sight] |
| Gun Mount | Platform |
| Carriage | Platform |
| Trailers | [@trailers] |
| Gun Shield | [@gun_shield] |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 4.150mm (L/20) |
| Overall Length | 4.34m |
| Width | 3.21m |
| Height | 1.70m |
| Weight | Weight in Traction: 22.700 kg Weight in Action: 14.700 kg |
| Round Weight | 128 kg (HE) |
| Muzzle Velocity | 500 m/s |
| Feed | [@feed] |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | [@practical_rate_of_fire] |
| Rate of Fire | 1 r.p.m. |
| Maximum Rate of Fire | [@maximum_rate_of_fire] |
| Maximum Ceiling | [@maximum_ceiling] |
| Maximum Ground Range | [@maximum_ground_range] |
| Maximum Range | 13.500m |
| Armour Penetration | [@armour_penetration] |
| Traction | Motorised (Three M.28 Artillery Tractor) |
| Variants | [@variants] |
| Notes | [@notes] |