1968 - Soviet 2-S1 Amphibious Self-Propelled Howitzer "Gvosdika"

Based on extended MT-LB chassis with seven road wheels

Armament:          1 - 122mm 2A31 Howitzer
Engine:                JaMZ 238W, V-8, diesel, 315 hp
Road Speed:      34.5 mph
Speed Afloat:      2.8 mph, propelled by tracks
Crew:                   4
Weight:                approx. 15 tons

Turret rotates 360 ; vehicle is air portable and fully amphibious.
Fitted with full NBC defense system. Gun is modified version of
howitzer D-30. This S/P howitzer has a variety of designations:
SO-122, 251 and NATO's M-1974. First public appearance in 1974.
Can be fitted with wider tracks to operate in snow or swamps. Widely
exported to Soviet client states as well as Angola, Algeria and Iraq.