1943 - German SP Heavy Infantry Gun on Czech 38(t) chassis Grille Ausf K (SdKfz138/1) .

Armament:               1 - 15cm siG 33/2
                                  1 - 7.92mm MG 34
Engine;                     Praga, EPA/2, 6 cyl. gas, 125 hp
Speed:                     22 mph
Range:                     115 miles
Crew:                       4
Weight:                    12 tons

The Grille (Cricket) was developed by adding a heavy infantry gun to the 38(t) Czech chassis. The gun was protected by a heavy spring flap, a feature of the siG 33/2. Served in Russia, Tunisia, Italy and France. In 1945 still in service. About 282 were produced.