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Stridsvagn m/40 (Strv m/40)

Light Tank

Sweden | 1941

"The Stridsvagn Strv m/40 light tank became the first Swedish-designed combat tank to see quantitative production - this during World War 2."

Authored By: Staff Writer | Last Edited: 02/01/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Stridsvagn Strv m/40 Light Tank was the first Swedish combat tank to be ordered in useful quantity - its total manufacture output running 180 vehicles. The design was a further evolution of the original L-60 tank which emerged from work begun in 1934. The line ultimately included the Strv m/38, Strv m/39, and the still-to-come Strv m/42. As the war in Europe spread into neighboring Norway and Finland, the Swedish government moved on attempting to provide a viable defense should it itself be invaded despite their neutral position in the war.

The evolving war situation also helped the Swedes to evolve their own tank design and doctrine approach without exposure to direct combat. As such, the m/40 was something of a refined m/39 featuring a new turret design (with revised gun mantlet), extra armor protection, and a useful commander's cupola. The crew remained three - driver, commander, and gunner, while the five-wheeled running gear was retained as was the primary armament of 1 x 37mm Bofors gun along with 2 x 8mm Ksp m/39 machine guns - one machine gun coaxially mounted and the other in the bow.

The m/40 appeared in two marks - the m/40L by AB Landsverk and the m/40K by Landsverk subcontractor Karlsverk ("Karlstads Mekaniska Verkstad"). Differences between the two were notable - the L-model weighing 9.1 tons, featuring armor protection up to 15mm, and powered by a Scania-Vabis 1664 series engine of 142 horsepower. The K-model weighed in at 10.9 tons, held armor protection up to 50mm thick, and was driven by a Scania-Varbis L603 engine of 162 to help content with the added weight. Dimensions were consistent across the two vehicles - length of 4.9 meters, width of 2 meters, and height of 2 meters. Road speeds were equal at 28 miles per hour. Armament remained the same as in earlier Swedish tank offerings - a single 37mm Bofors main gun with 2 x 8mm Ksp m/39 anti-infantry machine guns. The running gear was carried over as well - four road wheels to a hull side with the drive sprocket at front and track idler at rear. Two track return rollers were also used.

The stock of available m/40 tanks grew from 1942 to 1944. Total production numbered 180 vehicles - 100 by AB Landsverk and 80 of the improved form by Karlsverk.

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Power & Performance
Those special qualities that separate one land system design from another. Performance specifications presented assume optimal operating conditions for the Stridsvagn m/40 (Strv m/40) Light Tank.
1 x Scania-Vabis 1664, 6-cylinder gasoline engine of 142 horsepower (m/40L) OR 1 x Scania-Vabis L603 gasoline engine of 162 horsepower (m/40K).
Installed Power
30 mph
48 kph
Road Speed
124 miles
200 km
The physical qualities of the Stridsvagn m/40 (Strv m/40) Light Tank.
16.1 ft
4.9 meters
O/A Length
6.9 ft
2.1 meters
O/A Width
6.9 ft
2.1 meters
O/A Height
20,944 lb
9,500 kg | 10.5 tons
Armament & Ammunition
Available supported armament, ammunition, and special-mission equipment featured in the design of the Stridsvagn m/40 (Strv m/40) Light Tank.
1 x 37mm Bofors main gun.
1 x 7.7mm Ksp m/39 strv co-axial machine gun.
1 x 7.7mm Ksp m/39 strv bow-mounted machine gun.
Not Available.
Nightvision - NONE.
Chemical, Biological, Radiological, Nuclear Protection (CBRN) - NONE.
Notable series variants as part of the Stridsvagn m/40 (Strv m/40) family line.
Stridsvagn Strv m/40 - Base Series Designation
Stridsvagn Strv m/40L - AB Landsverk model; 9.1 ton combat weight; 4 to 15mm armor protection; Scania-Varbis 1664 engine of 142 horsepower; 100 units produced.
Stridsvagn Strv m/40K - Karlsverk model; 10.9 combat weight; 4-50mm armor protection; Scania-Varbis L603 engine of 162 horsepower; 80 units produced.
Global customers who have evaluated and/or operated the Stridsvagn m/40 (Strv m/40). Nations are displayed by flag, each linked to their respective national land systems listing.

Total Production: 180 Units

Contractor(s): Landsverk Company - Sweden
National flag of Hungary National flag of Sweden

[ Hungary; Sweden ]
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Image of the Stridsvagn m/40 (Strv m/40)
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Image of the Stridsvagn m/40 (Strv m/40)
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Image of the Stridsvagn m/40 (Strv m/40)
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Design Qualities
Some designs are single-minded in their approach while others offer a more versatile solution to battlefield requirements.
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Stridsvagn m/40 (Strv m/40) Light Tank appears in the following collections:
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