Haubits m/40

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

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 * 🇫🇮: 105 H 61-37 version. 140 units, now withdrawn from service, ca. 40 were given to Estonia.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

Versions

 * 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

Specification

 * 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