M1 ABRAMS Tank System Maintainer (91A-Enlisted): Learn and connect on RallyPoint

The M1 Abrams tank system maintainer supervises and performs field maintenance. Duties for each skill level are as follows:

         (1)  MOSC 91A1O. Diagnoses and troubleshoots malfunctions, performs field maintenance tasks on the suspension systems, steering systems, hydraulic systems, auxiliary power units, fire extinguisher/suppression systems, gas particulate systems, vehicular mounted armament, gun turret drive system and the fire control system on the M1 tank.

       (2) MOSC 91A2O. Performs duties in preceding skill level, supervises junior grade Soldiers and provides technical guidance to the Soldiers in the accomplishment of their duties. Diagnoses and corrects malfunctions of various subsystems. Assist skill level 1 Soldiers with troubleshooting and maintenance tasks on the M1 tank.

       (3) MOSC 91A3O. Performs duties in preceding skill levels, supervises skill level 1 and 2 Soldiers and provides technical guidance to the Soldiers in the accomplishment of their duties, supervises recovery operations and performs battlefield damage assessment and repair (BDAR) on all systems.

       (4) MOSC 91A4O. Performs duties in preceding skill levels, supervises skill level 1 through 3 Soldiers and provides technical guidance to the Soldiers in the accomplishment of their duties. Supervise the inspection and troubleshooting of M1 Abrams automotive and armament systems.

Required ASVAB Score(s)

Mechanical Maintenance (MM) : 99

OR

Mechanical Maintenance (MM) : 88, General Technical (GT) : 92

Learn more about the ASVAB and see what jobs you could qualify for.

Helpful Skills

Interest in working with diesel and turbine engines

ADDITIONAL SKILL IDENTIFIERS

       D8—Joint Assault Bridge (JAB)/Assault Breacher Vehicle (ABV) Maintainer.

       H8--Recovery Operations.

       K4--Tank Operations and Maintenance (skill level 1-4). Rescind 201510