Ram Trucks 2014 Chassis Cab Commercial - Diesel Supplement - Manual (Page 328)

Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission – If Equipped
(Six-Speed 68RFE) – Pickup models without PTO
We recommend you use MOPAR® ATF+4® Automatic
Transmission Fluid or equivalent licensed ATF+4®
product. Failure to use ATF+4® fluid may affect the
function or performance of your transmission.
Automatic Transmission – If Equipped
(Six-Speed AS69RC) – Pickup models with PTO, and
all Chassis Cab models
We recommend you 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 (2500/3500) We recommend you use Synthetic, GL-5 SAE 75W-85.
Limited slip additive is not required for Limited-Slip
Rear Axles.
326 MAINTAINING YOUR VEHICLE