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High-Output Alternators Compatible with Polaris™ UTVs & Slingshot | Mechman®

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High-Output Alternators Compatible with Polaris™ UTVs & Slingshot | Mechman®

Polaris · High-Output Charging

High-Output Alternators for Polaris

From the diesel Ranger that works all day to the Slingshot that steals the show, Mechman® builds bolt-in charging that keeps up with everything you add. USA-built in Knoxville, TN.

Shop Polaris Alternators Get a Recommendation

Shop the Lineup

Find the right alternator for your Polaris

A matched, direct-fit high-output upgrade for every Polaris family. The 170A diesel fits the Ranger Diesel, Brutus, and MRZR; NorthStar rigs step up to 240A; gas RZR Pro and Ranger XD run 250A/400A; the Slingshot has both. Tap your rig to shop.

New Mechman 240-amp billet alternator upgrade for 2017–2026 Polaris NorthStar NorthStar240A · 2017–2026Shop → Mechman 400-amp alternator upgrade for 2021–2025 Polaris RZR Pro 2.0L RZR Pro400A · 2021–2025 · 2.0LShop → Mechman 400-amp alternator upgrade for 2020–2025 Polaris Slingshot 1.5L and 2.0L Slingshot250A / 400A · 2020–2025Shop → Mechman 250A and 400A billet alternators for select Polaris 1.5L and 2.0L engines Select 1.5L / 2.0L250A or 400AShop → Mechman 170-amp alternator upgrade for 2015–2018 Polaris Ranger Crew Diesel Ranger Crew Diesel170A · 2015–2018Shop → Mechman 170-amp billet alternator for 2015–2021 Polaris diesel engines Polaris Diesel170A · Ranger · Brutus · MRZRShop →

New for 2026

The 2026 Polaris Application Catalog

Every Polaris application we build for, in one reference — model, year range, engine, amperage, and part number. Check fitment before you order, or keep it on the counter for quick lookups.

  • Ranger & Ranger Crew
  • RZR Pro
  • Xpedition NorthStar
  • Slingshot
  • Brutus & MRZR
View the 2026 Catalog Get a Recommendation
Cover of the Mechman 2026 Polaris high-output alternator application catalog

Guides

Polaris charging, explained

Short, practical reads on which alternator fits your Polaris and why it matters.

Ranger Diesel · Upgrade

170 Amps vs. the Factory 110

Why the diesel Ranger outgrows its factory alternator the moment you add a winch, lights, and heat.

170AKohler KDW1003Low-RPM
Read →

Ranger Diesel · Field Use

Built for the Field

Why hard-use operators run diesel — and demand more alternator than the factory provides.

Off-GridSingle-FuelRecovery
Read →

Shop by Model

Every Polaris we cover

Follow your model to the end of the category tree to confirm your exact application and part number.

One Lineup, Countless Builds

Power for every Polaris

Ranger DieselRanger XP 1000Ranger Crew XP 1000RZR ProRanger XDNorthStarXpedition ADVXpedition XPSlingshotBrutus HD PTOMRZR High-output alternatorWinch powerOff-grid charging Light bar powerUTV audioAux battery charging Low-RPM outputBillet alternatorS-Series Direct-fit bolt-inMade in the USA

Not sure which alternator you need?

Tell us your Polaris model, year, and what you're running, and we'll recommend the right high-output alternator for the job.

Get a Recommendation Shop All Polaris