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|trans=Allison X-1100-3B Hydro-Kinetic Automatic; four forward/2 reverse gears

|trans=Allison X-1100-3B Hydro-Kinetic Automatic; four forward/2 reverse gears

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The '''M1 Abrams''' is the [[Main Battle Tank]] of the [[United States Army]] and the [[United States Marine Corps]]. In the 1970's, Chrysler Defense Inc. developed this front-line battle tank to fight against outnumbered [[Warsaw Pact]] mechanized divisions. In 1982, [[General Dynamics]] purchased the division which still manufactures the tanks to the present day, some speculate until the year 2040. Significant varients give the tank new life and new models numbers;  M1, M1A1, M1A1D, M1A2, M1A2 SEP (System Enhancement Package) . The current modification is M1A1 SA, incorporating second-generation forward-looking infrared thermal sight, a driver's vision-enhancer thermal viewer and Tank Urban Survivability Kit improvements, providing better crew shielding in urban warfare environments. Modifications will take place at General Dynamics plants in [[Ohio]], Pennsylvania, Alabama, [[Florida]] and completed in 2011. <ref>[http://www.foxbusiness.com/story/markets/industries/industrials/general-dynamics-wins--million-iraqi-tank-contract/ General Dynamics Wins $198 Million Iraqi Tank Contract, Fox Business, January 04, 2010]</ref>  

The '''M1 Abrams''' is the [[Main Battle Tank]] of the [[United States Army]] and the [[United States Marine Corps]]. In the 1970's, Chrysler Defense Inc. developed this front-line battle tank to fight against outnumbered [[Warsaw Pact]] mechanized divisions. In 1982, Chrysler Defense sold to [[General Dynamics]], which still manufactures the tanks to the present day, some speculate until the year 2040. Significant varients give the tank new life and new models numbers;  M1, M1A1, M1A1D, M1A2, M1A2 SEP (System Enhancement Package) . The current modification is M1A1 SA, incorporating second-generation forward-looking infrared thermal sight, a driver's vision-enhancer thermal viewer and Tank Urban Survivability Kit improvements, providing better crew shielding in urban warfare environments. Modifications will take place at General Dynamics plants in [[Ohio]], Pennsylvania, Alabama, [[Florida]] and completed in 2011. <ref>[http://www.foxbusiness.com/story/markets/industries/industrials/general-dynamics-wins--million-iraqi-tank-contract/ General Dynamics Wins $198 Million Iraqi Tank Contract, Fox Business, January 04, 2010]</ref>