Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the field guns category.
01 / Overview
28 cm SK L/40 "Bruno"
Category
Country
Prime contractor
Production
1917–1918
Quantity
22
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FIELD GUNS · WORLD WAR I
7
PERFORMANCE/PRICE
75
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the field guns category, regardless of era.
02 / Specs & Design
◎General4MOD.4
- Service Entry Year1917
- Combat Weight156,000 kg
- Carriage TypeRailway Mounting
- In ServiceYes
◈Ordnance7MOD.7
- Calibre283 mm
- Barrel Length (calibres)40
- Ordnance Typeseparate-loading, cased charge
- Breech TypeSliding Block
- Recoil SystemHydro-Pneumatic
- Muzzle BrakeNo
- Bore EvacuatorNo
▣Performance5MOD.5
- Maximum Range (standard)20,050 km
- Maximum Range (rocket-assisted)27,500 km
- Muzzle Velocity785 m/s
- Elevation+0° to 45°
- Traverse2° 15' (E. u. B.) ; 180° (Bettungsschiessgerüst) ; 360° on platform
◇Ammunition5MOD.5
- Projectile Weight284 kg
- Ammunition Typeshigh-explosive shell (Sprenggranate L/2.9 m. Bdz.), nose- and base-fused HE shell with ballistic cap (Sprenggranate L/4.4 m. Bdz. u. Kz. (mit Haube))
- HE RoundYes
- Precision-Guided RoundNo
- MRSI CapableNo
◆Fire Control5MOD.5
▤Mobility5MOD.5
- Self-PropelledNo
- Prime Moverrailroad
- Shoot-and-ScootNo
- AutoloaderNo
- Protected Crew CabNo
⬢Dimensions1MOD.1
- Length21.61 m
▲Production2MOD.2
- Total Production22
- Production Start1,916 year
◎Self-Propelled Chassis1MOD.1
03 / History
SERVICE LIFESPANRetired
- 1914First deployment: World War I
- 1917Production started
- 1918Production ended
109
years in service
1
years in production
22
units produced
0
countries operating
ⓘ 2 countries retired it.
04 / Operators
Operator Countries2country
28 cm SK L/40 "Bruno"SALES1records
| Year | Buyer | Quantity | Amount | Present Value (2025) |
|---|---|---|---|---|
| 1918 |  Belgium | 4 | — | — |
ⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
FIELD GUNS RANKING Field Guns · World War I
MASS RANKINGSMASS ↗
ⓘ Rankings are within theField Gunscategory.
📖 TERMS ON THIS PAGE4terms
High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.
Recoil system using a combination of liquid and compressed gas to absorb and return energy from firing.
Method of transporting artillery by mounting it on a railway flatcar for movement along rail lines.
A breech mechanism in artillery where a solid block slides horizontally to open and close the breech for loading.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources