2025 Ford F-250 Super Duty transmission fluid capacity and fluid specs

GarageDex's fluid data shows the 2025 Ford F-250 Super Duty (6.7L 8-cyl) uses the 10R140 automatic transmission, which holds 18.1 quarts of fluid as a total fill, specified as WSS-M2C949-A. Other engines on this year hold 13 to 18.2 quarts - see the table.

Shop WSS-M2C949-A fluid Match the specification on the bottle to your manual

Key takeaways

  • Transmission: 10R140 automatic transmission, 18.1 qt total fill, WSS-M2C949-A fluid.
  • Total fill is the whole system; a drain-and-refill takes a third to half.
  • Brake fluid grade: read it off the reservoir cap.
  • The fluid specification is named by the source - buy a fluid that lists it.
2025 Ford F-250 Super Duty fluids by engine
EngineTransmissionTotal fillFluid specBrake fluidGear oil
6.7L 8-cyl10R140 automatic18.1 qtWSS-M2C949-Asee reservoir caprear GL-5 75W-85 3.5 qt
front GL-5 80W-90 2.75 qt
transfer case 1.9 qt
6.7L 8-cyl10R140 automatic18.2 qtWSS-M2C949-Asee reservoir caprear GL-5 75W-85 3.5 qt
front GL-5 80W-90 2.75 qt
transfer case 1.9 qt
6.8L 8-cyl10R140 automatic18.1 qtWSS-M2C949-Asee reservoir caprear GL-5 75W-85 3.5 qt
front GL-5 80W-90 2.75 qt
transfer case 1.9 qt
6.8L 8-cyl10R100 automatic13 qtWSS-M2C949-Asee reservoir caprear GL-5 75W-85 3.5 qt
front GL-5 80W-90 2.75 qt
transfer case 1.9 qt
7.3L 8-cyl10R100 automatic13 qtWSS-M2C949-Asee reservoir caprear GL-5 75W-85 3.5 qt
front GL-5 80W-90 2.75 qt
transfer case 1.9 qt

Fluids for the 2025 Ford F-250 Super Duty

Buy fluid that states the specification your manual names. Multi-vehicle fluids list the specs they meet on the back label - if yours is not listed, it is the wrong bottle.

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Other 2025 Ford F-250 Super Duty specs

Other F-250 Super Duty years

Source: AMSOIL Auto & Light Truck lookup. Capacities are total system fills; a drain-and-refill takes less. Where no fluid specification is shown, the source lists only a catalog code, so use the specification printed in your owner's manual - the wrong transmission fluid damages a transmission.