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The M551 Sheridan was a light tank developed by the United States and named after Civil War General Philip Sheridan. It was designed to be landed by parachute and to swim across rivers. It was armed with the technically advanced but troublesome M81/M81E1 152mm gun/launcher which fired conventional ammunition and the MGM-51 Shillelagh guided anti-tank missile. [Wikipedia]
| Weight | 17.4 tons |
| Length | 20' 8" |
| Width | 9' 2" |
| Height | 7' 8" |
| Crew | 4 |
| Armor | Aluminium hull Steel turret |
| Primary Gun | 152mm M81 rifled gun/launcher |
| Engine | 5.2l V6 diesel, 300 hp |
| Speed | 43 mph |
| Range | 350 miles |