M1A2 System Enhancement Package Version 3 (SEPv3)
M1A2 System Enhancement Package Version 3 (SEPv3)

General Dynamics Land Systems Wins $4.6 Billion Order for M1A2 SEPv3 Main Battle Tanks

General Dynamics Land Systems Inc., Sterling Heights, Michigan, was awarded a $4,620,000,000 fixed-price-incentive contract to produce Abrams M1A2 SEPv3 main battle tanks. Abrams M1A2 SEPV3 (System Enhanced Package) is a modernised configuration of the Abrams main battle tank (MBT) in service with the US Army. The new version offers enhanced protection and survivability, as well as higher lethality than its predecessors. Work locations and funding will be determined with each order, with an estimated completion date of June 17, 2028. The U.S. Army Contracting Command, Detroit Arsenal, Michigan, is the contracting activity.

The M1A2 Abrams SEP V3 retains the layout of the M1A2 MBT with the driver’s cab at the forward centre hull, turret in the middle and power-pack at the rear. The tank integrates the line-replaceable module technology to enable easy maintenance of the fleet. The tank integrates joint tactical radio system (JTRS) handheld, man-pack, and small form fit radio to ensure network readiness and interoperation with future brigade combat teams (BCTs). The main battle tank measures 9.7m-long, 3.7m-wide and 2.4m-high, and is manned by a crew of four, including a driver, a commander, a loader and a gunner.

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U.S. Army testing M1A2 SEPv3 at Yuma Proving Ground
U.S. Army testing M1A2 SEPv3 at Yuma Proving Ground

The main gun fitted on the MBT is a M256 120mm smoothbore cannon, which can fire M829A4 advanced kinetic energy and advanced multi-purpose (AMP) rounds to defend armoured vehicles, personnel and low-flying aircraft. The tank features a low-profile (LP) common remotely operated weapon system (CROWS) installed with a 12.7mm machine gun. A 7.62mm M240 machine gun is also mounted coaxially with the main gun. The ammunition data link (ADL) on board the tank ensures the programming of the M829A4 and AMP rounds.The CROWS will be equipped with an upgraded day camera that uses picture-in-picture technology to combine different FOVs. The tank is fitted with improved forward-looking infrared (IFLIR) to detect targets.

The M1A2 SEP V3 is powered by a Honeywell AGT1500 gas turbine engine, which develops a power of 1,500hp. The auxiliary power unit under the armour enables the tank to operate on-board systems with a reduced probability of detection during silent watch operations. The tank is also equipped with advanced power generation and distribution systems such as an improved amperage alternator, a slip ring, enhanced hull power distribution unit / common remote switching modules, and a battery monitoring system. The running gear includes seven road wheels with a drive sprocket at the rear, idler at the front and two return rollers on either side. The first, second and seventh road wheel stations are fitted with rotary shock-absorbers.

U.S. Army testing M1A2 SEPv3 at Yuma Proving Ground
U.S. Army testing M1A2 SEPv3 at Yuma Proving Ground
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