I report on the results of the proving grounds trials of the experimental SPG that uses a 76 mm tank gun mod. 1940 (F-34) on the chassis of a captured German medium tank PzIII (or StuG) produced by factory #37 according to the GOKO decree issued on January 19th, 1943, #2758ss.
Trials were held at the Sofrino proving grounds from March 13th to March 20th of this year in the amount of 434 shots and 280 kilometers, supervised by the commission led by Lieutenant-General of Artillery, comrade Tikhonov.
The prototype supplied for trials satisfies tactical-technical requirements.
The major characteristics of the 76 mm SU-76 SPG are as follows:
- Front: 45 mm at 45 degrees
- Side: 25 mm at 20 degrees
- Rear: 25 mm at 20 degrees
- Roof: 10 mm
- Ammunition capacity: 95 shells
- Vertical gun angles: -5 to +15 degrees
- Horizontal gun angles: +/- 10 degrees
- Height of the fighting compartment: 1760 mm
- Bore axis height: 1870 mm
- Crew: 4