Alternator Fits for Freightliner

Alternator – Fits Freightliner Collection

Get your Freightliner back on the road with consistent charging power. This collection provides alternators tailored for Freightliner trucks—from everyday medium-duty workhorses to long-haul classics—offering reliable electrical performance and easy fit solutions.

What You’ll Appreciate in This Collection

• Extensive Truck Model Coverage
  Whether you're driving a Century Class, Columbia, Classic, FL, FLD, or Argosy, the collection covers a broad range of Freightliner trucks equipped with engines like Caterpillar 3176–C15, Cummins ISM/ISX, Detroit Diesel 60 Series, MBE4000, and N14 series.

• Trusted Alternator Types with Amp Ratings
  Options include brushless 36SI units rated at 170 amps (12 V, suitable for J‑ or PAD-mounting) that replace Delco part numbers like 8600126, 8700046, and 8600055. Heavy-duty models like the Fortpro F235405 offer 200 amps with pad-mount configuration.

• Precise Engine & Application Match-Ups
  Alternators such as the Delco 34SI (~135 A, bi-directional) align with heavy-duty models like FLD 112/120 or Century Class running Cummins ISM or Caterpillar C-15 engines. For newer Coronado models, the AM1771 alternator provides a solid 175 A output with a heavy-duty housing.