Mechman high output alternators · Authorized dealer

Ford F-350 High Output Alternators

Service bodies, strobe packages, air compressors and liftgates turn an F-350 into a rolling workshop, and every one of them leans on the charging system. This collection lists the Mechman units matched to F-350 fitments from the 1995 7.3L diesel through the 2020-2023 7.3L gas engine. Choose the F-350 high output alternator that keeps the truck charging while it idles on a job site all day.

  • 20 products
  • 1995–2023
  • 240–400 Amp
  • Billet options
All Ford alternators

20 products

Built for the Truck That Works for a Living

Commercial F-350 owners rarely run one accessory at a time. Amber lighting, a crane or liftgate, an inverter feeding power tools and a two-way radio all draw at once, often at idle. A charging system that falls behind leaves batteries drained by the end of the shift.

Coverage here includes the 1995-1998 and 1999-2003 7.3L diesel, the 2003-2007 6.0L diesel, the 2008-2010 6.4L diesel, the 2009-2010 5.4L and 6.8L gas engines, the 2011-2022 6.2L gas and 6.7L diesel, and the 2020-2023 7.3L gas. Each span uses its own alternator series, so match your year and engine in the year/make/model selector at the top of the page before you choose.

Picking 240, 320, 370 or 400 Amp

Size your F-350 high output alternator to the heaviest load that runs at idle, not the average.

  • 240 Amp: lighting packages and a modest inverter on a gas truck.
  • 320 Amp: a full service-body upfit with compressor and work lights.
  • 370 or 400 Amp: trucks running large inverters, an electric-hydraulic liftgate or a dual-battery setup through long idle hours.

Four of these units use billet housings, machined from solid aluminum for rigidity. The rest use standard cast housings that do the same electrical work. Finishes are Black and Natural, which suits a work truck that values function over shine.

Supporting Parts and Related Pages

Pair your F-350 high output alternator with heavier charge cable from our Big 3 and wiring kits and a fresh bank of AGM batteries. If your fleet includes three-quarter-ton trucks, F-250 owners have their own page. All Mechman high output alternators for Ford platforms live in the Ford alternator collection.