| Year | 1941 |
| Weapon Type | Heavy Howitzer |
| Origin & Designer | Russia/Petrov |
| Numbers Produced | 64 |
| Crew | 10 |
| Calibre | 154.4mm (152.4x260R) |
| Elevation | -2° to +65° |
| Traverse | 58° |
| Breech | Interrupted Screw |
| Recoil | Hydropneumatic |
| Gun Sight | [@gun_sight] |
| Gun Mount | [@gun_mounts] |
| Carriage | Split Trail |
| Trailers | [@trailers] |
| Gun Shield | 3.5mm |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 4.240mm (L/32) |
| Overall Length | 8.18m |
| Width | 2.35m |
| Height | 2.27m |
| Weight | Weight in Traction: 7.930 kg Weight in Action: 7.270 kg |
| Round Weight | 49 kg (HE) |
| Muzzle Velocity | 650 m/s |
| Feed | [@feed] |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | [@practical_rate_of_fire] |
| Rate of Fire | 4 r.p.m. |
| Maximum Rate of Fire | [@maximum_rate_of_fire] |
| Maximum Ceiling | [@maximum_ceiling] |
| Maximum Ground Range | [@maximum_ground_range] |
| Maximum Range | 17.200m |
| Armour Penetration | [@armour_penetration] |
| Traction | Motorised (Heavy Truck) |
| Variants | [@variants] |
| Notes | [@notes] |