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Ram TRX Maintenance Guide: Oil, Filters & Fluids

TRX: Hellcat Power in a Truck

The Ram 1500 TRX uses the supercharged 6.2L Hemi with truck-specific cooling and suspension. Maintenance overlaps Hellcat for engine service but adds transfer case, front diff, and air filter checks after desert use.

Core Service Items

TRX brakes are oversized but still fade under repeated hard use — see our TRX brake content for upgrade paths.

  • Engine oil & filter (0W-40 MS-6395)
  • Air filter — replace more often off-road
  • Front/rear diff fluid inspection
  • Brake inspection after dune or trail runs

Brake Maintenance on TRX

Off-road and street performance both demand pad and rotor inspection every 5,000 miles.

Learn more in our Ram TRX brake upgrade guide.

TRX Stops as Hard as It Launches

Ghost Rotors TRX brake kits for 702 HP truck duty.

Shop TRX Brake Kits