Alternator 200 Amp Dual Voltage 28/14 Volt For HMMWV, (Niehoff N1225-1) 12447109

Alternator 200 Amp Dual Voltage 28/14 Volt For HMMWV, (Niehoff N1225-1) 12447109
Item# N1225-1
$995.00
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Product Description

Dual voltage alternator, simultaneous outputs of 200 Amp 28 Volt / 50 Amp 14 Volt. This alternator is used on various models of the HMMWV (M996, M996A1, M997, M997A1, M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097, M1097A1, M1097A2, M1123) Replaces 12338796-1, N1211-2 and A0013030AA.
  • C.E. Niehoff Co. model N1225-1. Military p/n 12447109. NSN 2920014209968.
  • Factory new, not remanufactured.
  • Alternator is brushless design (no brushes and no slip rings to wear out).
  • Integral N3135 voltage regulator features negative temperature compensation (setpoints are 28.0 ± 0.2 V and 14.0 ± 0.2 V at 75° F), overvolt shutdown, and soft power start.
  • Soft start eliminates abrupt mechanical load on the drive system.
  • AC Tap feature to sense alternator rotation.
  • If you are upgrading a HMMWV to this model you will also need to source the appropriate bracket/installation kit.
  • One wire ignition power (24 volt) input to regulator. All input and output connections via terminal studs.


  • 75 lb

    Manufactures technical guide available for download with purchase of product.