Semovente M42L da 105/25:

Built by Fiat-Ansaldo. Used widened M15/42 chassis.⁵ First 30 were delivered to Italian army.

Semovente da 149/40:

Italy's Semovente 149/40

Self propelled artillery weapon built by Ansaldo on an M15/42 chassis. It had no shield around the gun. It fired a 101 lb projectile 25,919 yards. The first prototype was ready in late 1942.

Before it entered production the Italians surrendered to the Allies.

German Use:

Sturmgeschütz M43 mit 105/25 853(i):

Took over by Germans and they had 60 built after Armistice.

Panzerbefehlswagen M41 771(i), Panzerbefehlswagen M42 772(i):

16 confiscated from Italian Army in September 1943.²

	Semovente M42L da 105/25	Semovente da 149/40	Carro Commando M42
Crew	3: Commander/gunner, driver, loader/radio⁴ 3²	2³	4²
Physical Characteristics
Weight	35,392 lb 15.7 tons², 15.8 tons⁴	52,911 lb³ 24,000 kg³	13.3 tons²
Length w/gun	16' 9" 5.1 m⁴, 5.52 m²	21.7"⁶, 21' 7.8"³ 6.6 m³	5.04 m²
Length w/o gun
Height	5' 9" 1.74 m², 1.75 m⁴	5.5'⁶, 6' 6.7"³ 2 m³	1.82 m²
Width	7.9'⁵, 8' 2.4 m^4,5, 2.42 m²	9' 10"³, 10'⁶ 3 m³	2.23 m²
Width over tracks
Ground clearance		16"⁶
Ground contact length		147"⁶
Ground pressure
Turret ring diameter
Armament
Main	105 mm L/25^2,4,5	Canone da 149/40 modello 35³ 149 mm Model 35, L/40⁶	13.2 mm MG²
Secondary
MG	8 mm MG² 8 mm Breda 38 MG, Anti-aircraft⁴		8 mm MG²
Side arms
Quantity
Main	48^2.4		420²
Secondary
MG	864²		1,560²
Side arms
Armor Thickness (mm)	Front: 50⁴ Side: 25⁴ 15-50⁵	Front: 0.5"⁶ Side: 0.5"⁶
Hull Front, Upper	75@0°², 70⁵ Mantlet: 50 round² Late Production: 25@20°²+75@0°²		30@11°²
Hull Front, Lower	50@55°²		30 round²
Hull Sides, Upper	45@15°² Late Production: 15@0°²+45@15°²		25@9°²
Hull Sides, Lower	25@0°²		25@0°²
Hull Rear	25@0°² & 25@13.5°²		25@0°² & 25@9°²
Hull Top	15@86°² & 15@90°²		15@90°²
Hull Bottom	15@90°²		15@90°²
Turret Front
Turret Sides
Turret Rear
Turret Top
Engine (Make / Model)	15 TB²	SPA³	15 TB²
Bore / stroke
Cooling
Cylinders	V-8²		V-8²
Capacity
Net HP	185² @ 2,400 rpm² 192⁴	250³	185² @ 2,400 rpm²
Power to weight ratio
Compression ratio
Transmission (Type)	5 forward, 1 reverse.²		5 forward, 1 reverse.²
Steering
Steering ratio
Starter
Electrical system
Ignition
Fuel (Type)		Gasoline³
Octane
Quantity
Road consumption
Cross country consumption
Performance
Traverse	16° left, 18° right⁴
Max speed	35 kph⁴, 38 kph²	21.75 mph³ 35 kph³	40 kph²
Cross country speed
Road radius	180 km²		200 km²
Cross country radius
Turning radius
Elevation limits
Fording depth
Trench crossing
Vertical obstacle
Climbing ability
Suspension (Type)
Wheels each side
Return rollers each side
Tracks (Type)		Dry pin⁶
Length
Width		15.75"⁶
Diameter
Number of links
Pitch		6"⁶
Tire tread
Track centers/tread		8.6'⁶
Production	1943-: 90 Fiat Ansaldo, April 1943-: ⁵	1942 -: 1 Ansaldo⁶	FIAT-Ansaldo²

Sources:

The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
Jane's World War II Tanks and Fighting Vehicles The Complete Guide, Leland Ness, 2002
Italian Medium Tanks in Action, Nicola Pignato, 2001
Tank Data, Aberdeen Proving Grounds Series, 1968?

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