Haubits m/40

10,5 cm 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
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
Mass	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 recoil 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Finland: 105 H 61-37 version. 140 units, now withdrawn from service, ca. 40 were given to Estonia.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

File:AM.089844 (02).jpg|thumb|AM.089844 (02)|Updated version used in swedish artillery until decommissioned in the 1990s

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