Advanced
suspension (torsion bars with rotary shock absorbers)
Hydraulically
stabilized turret/gun system
Ballistic
computer
Laser
range finder (LRF)
Thermal
imaging night sight (TIS)
IPM1
- 1984 - Improved Performance M1
Released as an interim before the M1A1 variant.
Key
Features over M1
Increased
frontal armor
Increased external stowage
Suspension
system improvements.
M1A1
- 1984 - Key Features over IPM1
Digital ballistic computer
Onboard
malfunction detection system
Single
channel ground/air radio system (SINGCARS)
M1A1HA
- M1A1 Heavy Armor
Key
Features over M1A1
Added
depleted uranium armor.
M1A1D
- 2000
The
Abrams M1A1D is an M1A1/HA Abrams that has been equipped
with a digital applique command and control package consisting
of:
A-Kit
(upgraded Tank Commander's Panel/UTCP) with peripheral
hardware
B-Kit
(Applique computer display and keyboard)
C-Kit
(provides far target capability by integrating a North
Finding Module (NFM) and a Digital Interface Unit (DIU)
to process raw tank data and format messages for transmittal
to the Applique card
M1A2
- 1995 - Key Features
Advanced Chobham armor
Advanced
suspension (torsion bars with rotary shock absorbers)
Fully
stabilized sight
Onboard
malfunction detection system
Compartmented
fuel/ammunition
Single
channel ground/air radio system (SINGCARS)
Digital
electronic control unit
Commander's
Independent Thermal Viewer (CITV)
Intervehicular
information system (IVIS)
Inertial
position navigation system (POSNAV)
Improved
commander's weapon station (CWS)
Commander's
integrated display
Driver's
integrated display
Gunner's
control and display panel
M1A2
SEP - 1999
The
M1A2 System Enhancement Program (SEP) tank, is the successor
to the M1A2, which was the Army's first fully digital ground
combat system. The M1A2 SEP uses depot refurbished M1 tank
hulls as the basis for the SEP tank.
Key
Features over M1A2
Better
microprocessors
Color
flat panel displays
More
memory capacity
Better
Soldier-Machine Interface (SMI)
A
new open operating system designed to run the Army's Common
Operating Environment (ACOE) software
Improved
thermal imaging capabilities of the new 2nd Generation Forward-Looking
Infra-Red (FLIR) technology