Original sentence: Produced to the extent of some 3000 vehicles from 1967, it was initially produced as the AMX-13 VTT () carrying ten infantrymen and armed with an AA-52 7.5 mm  machine gun or 12.7 mm M2 Browning machine gun in an open mounting
Edited sentence: Produced to the extent of some 3000 vehicles from 1957, it was initially produced as the AMX-13 VTT () carrying ten infantrymen and armed with an AA-52 7.5 mm  machine gun or 12.7 mm M2 Browning machine gun in an open mounting