Haubits m/40

10,5 cm Haubits m/40
10,5 cm Haubits m/40
Type	Howitzer
Place of origin	Sweden
Service history
In service	1940-today
Used by	Sweden Finland Estonia Thailand Netherlands Switzerland
Wars	World War II
Production history
Designer	Bofors
Designed	1937
Manufacturer	Bofors Tampella
Produced	1940 -
Variants	105 H 37 (Finnish version) 105 H 61-37 (modernized Finnish version) 10.5 cm Hb Model 46 (Swiss version)
Specifications
Weight	1,970 kg
Length	5.310 m
Crew	7 + 3 reserve

Shell	high explosive
Caliber	105 mm
Breech	Horizontal sliding-wedge breech or interrupted screw breech
Carriage	Split trail with spades
Elevation	-5 to +45 degrees
Traverse	50 degrees
Rate of fire	10 rounds per minute
Maximum firing range	10,900 m

The 10,5 cm Haubits m/40 is a Swedish 105 mm howitzer, which was manufactured by Bofors during World War II.

The howitzer was license manufactured both in Finland and in Switzerland. Today, the gun is mainly used as a training gun by the Estonian army.

Operators

Estonia: 105 H 61-37 version. Ca. 40 units from Finland. Used as training guns.
Finland: 105 H 61-37 version. 140 units, now withdrawn from service, ca. 40 were given to Estonia.
Netherlands: Used in Dutch East Indies
Sweden: 10,5 cm Haubits m/40, about 400 units in five versions or alterations.
Switzerland: 10.5 cm Hb Model 46 version
Thailand

An H 61-37 in Hameenlinna Museum

10,5 cm Haubits m/40: Original Swedish version
105 H 37: Finnish version manufactured by Tampella
105 H 61-37: Finnish modernized version from the 1960s. Longer L/26 barrel with redesigned muzzle brake, new equilibrators and fixed ammunition for improved rate of fire.
10.5 cm Hb Model 46: Swiss version manufactured in Thun

Era: World War II
Name: 105 mm Haubits m/40
Type: Howitzer
Nation: Sweden
Manufacturer: Bofors
Target: General
Date: 1937
Production Date: 1940 -
Service Date: 1940-1990’s
Numbers Built
Operators: Siam (today Thailand), Netherlands East Indies (today's Indonesia) and in Finland built under license from Bofors as the m/37, Switzerland built under license from Bofors as 10,5 cm Hb Model 46
Breech Mechanism: Horizontal sliding-wedge breech or interrupted screw breech
Barrel: 22 or 24 (Bore 20,2 cal)
Elevation: -5 to +45°
Traverse: 50°
Caliber:105×155 mm
Carriage: Split trail with spades
Weight: 1970 kg
Length: 5310 mm
Shell Types:
Action: Case-type separate loading, 6 charges
Muzzle velocity: max 449 m/s
Tactical range: 10,5 km
Maximum range: 10,9 km
Rate of Fire:
Crew:7 + 3 reserve
Transportation: Horse drawn, after 1950 motor traction
Miscellaneous: Perforated muzzle brake

Wikimedia Commons has media related to 10,5 cm haubits m 40.

Weapons and military equipment designed in Sweden 1914–1945

Rifles	Carl Gustaf Model 1942

Submachine guns	Carl Gustaf Model 1945

Machine guns	Svenska Automatvapen Model 1940 Carl Gustaf Model 1942

Tank and Anti-tank guns	Bofors 37 mm Gun Model 1934

Mountain guns	Bofors 75 mm Model 1934

Field, Medium and Heavy guns	Bofors 105 mm Howitzer Model 1924 Bofors 105 mm Howitzer Model 1935 Bofors 105 mm Howitzer Model 1937 Bofors 105 mm Gun Model 1927 Bofors 105 mm Gun Model 1931 Bofors 105 mm Gun Model 1934 Bofors 120 mm Howitzer Model 1914 Bofors 150 mm Howitzer Model 1931

Anti-aircraft guns	Bofors 20 mm Automatic Gun Model 40 Bofors 25 mm Automatic Gun Model 1932 Bofors 40 mm Gun Model 1936 Bofors 75 mm Gun Model 1929

Coastal guns	Bofors 105 mm Gun Model 1927 Bofors 105 mm Gun Model 1934

Naval guns	Bofors 120 mm Gun Bofors 152 mm Gun Bofors 283 mm Gun

Light tanks	Strv m/21-29 Landsverk L-10 Landsverk L-60 Landsverk L-120

Medium tanks	Landsverk Lago

Self-propelled guns	Stormartillerivagn m/43

Self-propelled anti-aircraft guns	Landsverk L-62

Armoured cars	Pansarbil M/31 Landsverk Lynx Landsverk L-180/L-181/L-182 Landsverk L-185

Armoured personnel carrier	Tgbil m/42

Artillery tractors	Landsverk L-131 Landsverk L-132 Landsverk L-135

Prototypes	Landsverk L-5 Landsverk L-100 Landsverk L-101

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