List of heavy mortars

Heavy mortars are large-calibre mortars designed to fire a relatively heavy shell on a high angle trajectory. Such weapons have a relatively short range, but are usually less complex than similar calibre field artillery.

This category includes the "Trench Mortars" of World War I which were all too heavy and cumbersome, and hence lacked the mobility, to be classed as infantry mortars.

Muzzle-loading
Caliber (mm) Weapon name Country of origin Period
50.82 inch Medium Mortar "Toffee Apple"[1] United KingdomWorld War I
58.3Mortier de 58 mm type 2 "Crapouillot"[2] FranceWorld War I
90[3]20 cm leLdgW Nazi GermanyWorld War II
91.59.15 cm leichtes Minenwerfer System Lanz German EmpireWorld War I
10510.5 cm Luftminenwerfer M15 Austria-HungaryWorld War I
10510 cm Nebelwerfer 35 Nazi GermanyWorld War II
106.7Ordnance ML 4.2 inch Mortar United KingdomWorld War II, Korea
1074.2-inch mortars M2 and M30 United StatesWorld War II, Korea, Vietnam
14014 cm Minenwerfer M 15 Austria-HungaryWorld War I
148Coehorn mortar M. 1841 United States1841
150Mortier de 150 mm T Mle 1917 Fabry FranceWorld War I
152Newton 6 inch Mortar United KingdomWorld War I
160160 mm IMI Mortar IsraelCold War
160Soltam M-66 Israel
160Vafa mortar Iran
160Patria Vammas M58 Finland
169[4]38 cm sLdgW Nazi GermanyWorld War II
17017 cm mittlerer Minenwerfer German EmpireWorld War I
20020 cm Luftminenwerfer M 16 Austria-HungaryWorld War I
2038-inch siege mortar M.1841 United States1841
203Livens Projector United KingdomWorld War I
22522.5 cm Minenwerfer M 15 Austria-HungaryWorld War I
240Dumezil-Batignolles Mortier de 240 mm FranceWorld War I
2409.45 inch Heavy Mortar "Flying Pig" United KingdomWorld War I
25025 cm schwere Minenwerfer German EmpireWorld War I
250Mortier Negrei calibrul 250 mm Model 1916 Kingdom of RomaniaWorld War I
250Albrecht Mortar German EmpireWorld War I
25410-inch siege mortar M. 1841 United States1841
25410-inch seacoast mortar M. 1841 United States1841
26026 cm Minenwerfer M 17 Austria-HungaryWorld War I
320320 mm Type 98 mortar JapanWorld War II
325Mortier de 12 Gribeauval Kingdom of France1781
33013-inch seacoast mortar M. 1861 United States1861
914Little David United StatesWorld War II
914Mallet's Mortar United Kingdom1857

Breech-loading
Caliber (mm) Weapon name Country of origin Period
909 cm Minenwerfer M 14 Austria-HungaryWorld War I
909 cm Minenwerfer M 17 Austria-HungaryWorld War I
10510 cm Nebelwerfer 40 Nazi GermanyWorld War II
120120 mm howitzer Model 1901 German EmpireBalkan wars / World War I / Finnish Civil War / Hungarian–Romanian War
12012 cm Luftminenwerfer M16 Austria-HungaryWorld War I
15015 cm Luftminenwerfer M 15 M. E. Austria-HungaryWorld War I
160160mm Mortar M1943 Soviet UnionWorld War II
160M-160 mortar Soviet UnionCold War
20020 cm Luftminenwerfer M 16 Austria-HungaryWorld War I
21021 cm GrW 69 Nazi GermanyWorld War II
21121 cm Mörser 99 German EmpireWorld War I
21121 cm Mörser 10 German EmpireWorld War I
21121 cm Mörser 16 German EmpireWorld War I
21121 cm Mrs 18 Nazi GermanyWorld War II
220Mortier de 220 mm modèle 1880 FranceWorld War I
220Mortier de 220 mm TR mle 1915/1916 FranceWorld War I / World War II
240M240 towed mortar Soviet UnionCold War
260Mortaio da 260/9 Modello 16 ItalyWorld War I /World War II
270Mortier de 270 mm modèle 1885 FranceWorld War I
270Mortier de 270 mm modèle 1889 FranceWorld War I / World War II
280280 mm mortar M1939 (Br-5) Soviet UnionWorld War II
280Mortier de 280 Schneider FranceWorld War I / World War II
293Mortier de 293 Danois sur affut-truck modèle 1914 FranceWorld War I / World War II
30512-inch coast defense mortar M1886, M1890, M1908, and M1912 United StatesWorld War I / World War II
370Mortier de 370 modèle 1914 Filloux FranceWorld War I / World War II
4202B1 Oka Soviet UnionCold War
540Karl-Gerät 041 Nazi GermanyWorld War II
600Karl-Gerät 040 Nazi GermanyWorld War II

Notes and references
  1. Internal bore size not warhead size. Comparable to 6 inch mortars
  2. Bore size, not bomb size, which was much larger
  3. 90 mm spigot size. Bomb was 200 mm
  4. 169 mm spigot size. Bomb was 380 mm.
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See also

Thor was a 600mm-caliber heavy mortar used by the German Army during World War II. This self-propelled artillery piece was one of a series of seven 60 cm mortars known as Karl Gerät (040). Designed and developed by Rheinmetall between 1937 and 1940, six of these seven powerful mortars were used during Operation Barbarossa, on the Eastern Front, taking part in the siege of Brest Fortress, the siege of Sevastopol, and the siege of Warsaw during the Polish uprising. They were called "Thor", "Loki", "Odin", "Ziu", "Adam", and "Eva".

Thor had a 5.07m-long barrel, a hydro-pneumatic recoil, and a horizontal sliding-wedge breech. It moved on tracks and was powered by a Daimler-Benz MB 507 C diesel engine, delivering 580 horsepower; for long distances it was transported by railways. Thor fired 2,170-kg concrete piercing shells to a range of 6.5 km (7 miles) with an elevation of 60°. These shells could penetrate 2.5m-thick reinforced concrete and 350mm-thick steel armor.

Specifications

Type: heavy siege mortar Country of origin: Germany Manufacturer: Rheinmetall Weight: 124 metric tons Caliber: 600mm (60 cm) Barrel length: 5.02 m Breech: horizontal sliding-wedge Range: 6.5 km Rate of fire: six rounds per hour Engine: Daimler-Benz MB 507 C diesel, 580 hp

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