Krupp 150mm heavy howitzer M. 1913
Bulgarian
designation : 
150мм
скорострелна
гаубица Д14
“Круп 

German
designation : 
schwere Feldhaubitze 13 

Calibre
: 
149.7mm L/14 

Weight
of the barrel : 


Weight
of the breechblock : 


Weight
in action : 


Weight
in marching order : 


Weight
of the limber : 


Barrel
length : 


Barrel grooves 
number : 
36

depth : 


width : 


Rifling 
length : 
11
calibres 
twist : 
progressive
– 1 turn in 35.9 to 1 turn in 17.8 calibres 

inclination : 
5°
to 10° 

Height
of the line of fire : 


Shield

weight : 

thickness
: 


Cartridge 
size
: 
152
x 113 x 170 
weight
: 


charge
: 


Shells weight 


15cm
Gr. 88 : 





15cm
Gr. 96 : 


15cm
Gr. 04 : 


15cm Gr. 12 : 


15cm Gr. 12 (verst.) : 


15cm Gr. 12 n/A : 
detonation
charge : 

detonation
charge : 

15cm Gr. 14 : 


15cm Gr. 


15cm Gr. 14 (H) : 
charge : 

15cm Gr. 17 





Muzzle
velocity : 
465 m/s 

Max.
range 
ordinary
: 

incendiary
: 


Muzzle
velocity : 
365 m/s 

Elevation
: 
+ 45° /  0° 

Traversing
angle : 
5° 

Recoil
: 


Track
: 


Height
of the wheels : 


Transport : 
drawn by six horses in
one single load 

Remarks
: Quick firing heavy field
howitzer with hydropneumatic recoil system, except 252
of them, that were equipped with counterrecoil springs. During the war Krupp
manufactured 2676 howitzers of this model, and Rheinmetall 733. An
unknown number were also produced by other firms, such as At beginning of August
1918 the German Army left to the Bulgarian artillery at least 16  sFH13 from
four batteries operating in 