53Ah Marathon Battery

TCA-52 (P/N 31433-001)

Boeing approved the TCA-52 (P/N 31433-001) for all DC-10, KC-10, MD-10, and MD-11 series aircraft and the battery is interchangeable with the existing OEM battery without any modification to the aircraft.

The Marathon battery is FAA-PMA approved for DC-10, MD-10, and MD-11 series aircraft.

The TCA-52 is a replacement for the OEM battery P/N 43B050LB01.


Length: 11.58" Detailed Data Sheet
Height: 10.19” Service Letter
Width: 7.68”  
Weight: 63 lbs