User Manual - Page 488

For RAM 2021 3500.

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486 TECHNICAL SPECIFICATIONS
6.7L DIESEL ENGINE
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission – 68RFE
Only use ATF+4 Automatic Transmission Fluid. Failure to use ATF+4 fluid
may affect the function or performance of your transmission. We
recommend Mopar® ATF+4 fluid.
Automatic Transmission – AS69RC
Only use Mopar® ASRC Automatic Transmission Fluid or
equivalent.Failure to use the proper fluid may affect the function or
performance of your transmission.
Transfer Case We recommend you use Mopar® BW44–44 Transfer Case Fluid.
Front and Rear Axle Fluid
We recommend you use SAE 75W-85 HD Ram GL-5 Synthetic Axle
Lubricant in 9.25 Front, 11.5 and 12.0 (Single Rear Wheel) Rear Axles.
Use Mopar® GL-5 Synthetic Gear Lubricant SAE 75W-140 in 12.0 (Dual
Rear Wheel) Rear axles. Limited slip additive is required for limited slip
axles.
Brake Master Cylinder We recommend you use Mopar® DOT 3.
21_DJD2_OM_EN_USC_t.book Page 486
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