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M1A1 Abrams

Main battle tankFielded 1985Pending verification
Land ForcesUSA
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
TypeMain battle tank
Date of introduction1985
ProliferationAt least 8 countries
ManufacturerDetroit Arsenal Tank PlantMed[1]
Crew4Med[1]
Dimensions and weight
Height2.89 m9 ftMed[1]
Combat weight57.15 tMed[1]
Automotive performance
EngineTextron-Lycoming AGT-1500 2-spool free-shaftMed[1]
Engine power1,500 hpMed[1]
TransmissionAllison X-1100-3B hydro-kinetic, 4 forward and 2 reverse gearsMed[1]
Suspensionadvanced torsion bar, 7 road wheels with 15-in (381-mm)travel, rear drive, front dler, 3 internal rotary shock absorbers, 2 return rollersMed[1]
Cruising range465 km289 mi · 251 nmiMed[1]
Protection
Hull ArmorChobham-type armor on glacis and turret,armored bulkheads between turret and engine; depleted uranium armor in production since 1988Med[1]
Applique ArmorAvailableMed[1]
Active Protection SystemIn addition to the armor, some USMC Abrams tanks are equipped with a Softkill Active protection system, the AN/VLQ-6 Missile Countermeasure Device (MCD) that can impede the function of guidance systems of some semi-active control line-of-siMed[1]
NBC Protection200 SCFM-Clean Cooled Air (collective overpressure); AN/VDR-1 radiological warning deviceMed[1]
Smoke EquipmentM250 (British L8A1) 2 x 6-barrel smoke discharger (24 rounds), engine exhaust generationMed[1]
Armament
Elevation-10/+20 degMed[1]
Main armamentM256 smoothbore, 120 mmMed[1]
Secondary armament1 x 7.62 mm M240 machine gunMed[1]
Maximum firing range4 km2 mi · 2 nmiMed[1]
Fire control
Computerized FCSYesMed[1]
Ballistic ComputerHughes 12 kilobyte digital computerMed[1]
Main Gun StabilizationYesMed[1]
RangefinderUnity vision with 18-deg field of view, integrated Hughes Nd-YAG laserMed[1]
Variants
M1A1Production started in 1985 and continued to 1992, pressurized NBC system, rear bustle rack for improved stowage of supplies and crew belongings, redesigned blow-off panels and M256 120 mm smoothbore cannon (4,976 built f[1]
M1A1 FEP USMCThe US Marine Corps (USMC) acquired M1A1s that were identical to the US Army counterpart, and has since upgraded them with a Firepower Enhancement Package (FEP).[1]
M1A1SA; M1A1SA/ED; M1A1EDThe M1A1SA/ED became the main battle tank of the US Army following upgrades to the M1A1.[1]
M1A1, AustraliaAustralia operates a fleet of 59 M1A1s[1]
M1A1MAn export variant ordered by the Iraqi Army with depleted uranium armor removed and older thermal imaging system with lower resolution used.[1]
M1A2The M1A2 is an improved M1A1 and includes a number of significant changes such as an independent commander’s sight, full digital electronic architecture and a ROWS.[1]
Weapons and payload options · 2Confidence · Source
APFSDS-T120 mm ammunition
Med[1]
Quantity
A total of 40 of 120mm ammunition are carried inside the tank, with 34 in the tu
APFSDS-T120 mm ammunition
Med[1]
Quantity
A total of 40 of 120mm ammunition are carried inside the tank, with 34 in the tu
Summary

The M1A1 Abrams main battle tank was developed by General Dynamics. It is a further development of the M1 Abrams.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
Sources
  1. M1A1 Abrams American Main Battle Tank (MBT), U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import