Features The M1A1 is an improved version of the M1 Main Battle Tank (MBT). It includes a 120mm smoothbore main gun, an NBC overpressure protection system, and an improved armor package. This tank significantly increases the capabilities of the Army across the full spectrum of conflict in the near and midterm. Engagement ranges approaching 4000 meters were successfully demonstrated during Operation Desert Storm. The latest version is the M1A2, however this has yet to be fully deployed to the American forces.

Manufacturer: General Dynamics (Land Systems Division)
Power plant: AGT-1500 turbine engine
Power train: Hydrokinetic, fully automatic with four forward and two reverse gear ratios.
Propulsion: 1500 horsepower gas (multi-fuel) turbine engine
Length, Gun Forward: 385 inches (9.78 meters)
Width: 144 inches (3.66 meters)
Height: 114 inches w/o DWFK (2.89 meters)
Weight fully armed: 67.7 tons (61.4 metric tons)
Cruising Range: 289 miles (465.29 kilometers) without NBC system
279 miles (449.19 kilometers) with NBC system
Speed:
Maximum: 42 miles (67.72 kilometers) per hour (Governed)
Cross Country: 30 miles (48.3 kilometers) per hour
Ground clearance: 19 inches (48.26 centimeters)
Obstacle crossing:
Vertical: 42 inches (106.68 centimeters)
Trench: 9 feet wide (2.74 meters)
Slope: 60 degrees at 4.5 miles (7.24 kilometers) per hour
Crew: A four-man crew composed of a driver, loader, gunner, and tank commander.
Warheads: M1A1 tank is capable of delivering both kinetic energy (sabot) and chemical energy (heat) rounds.
To learn more about tank munitions, check out PRIMEX's website, they are the sole manufacturer of the Army's Large Caliber munitions.
Armament:
Main: 120mm M256 main gun
Secondary: (1) .50 caliber M2 machine guns (2) 7.62mm M240 machine guns
Sensors: The 120mm M256 main gun has a cant sensor, wind speed sensor, automatic lead and ammunition temperature sensor. All this information is automatically inputted to its ballistic fire control computer.
Unit Replacement Cost: $4,300,000