RAM 3500 HD Truck 4WD L6-6.7L DSL Turbo (2008)
Engine Oil: Description and Operation
ENGINE OIL - DIESEL ENGINES
Use only Low Ash Diesel Engine Oil meeting standard MIL-2104C or API Classification CJ-4/SM (5.9L), or CJ-4 (6.7L), or higher that meets
Cummins CES 20081 Standards.
Low ash diesel engine oil is REQUIRED for the 6.7L engine, use MOPAR (R) MaxPro15W40 6700 Diesel DPF diesel engine oil, or equivalent.
SAE VISCOSITY GRADE
CAUTION: Low viscosity oils must have the proper API quality or the CCMC G5 designation.
To assure of properly formulated engine oils, it is recommended that SAE Grade 15W-40 engine oils that meet Chrysler material standard MS-10902, be
used in accordance to ACEA B3, B4 specification. European Grade 15W-40 oils that meet Association des Constructeurs Européens d' Automobiles
(European Automobile Manufacturers Association) (ACEA) specifications, are also acceptable.
Oils of the SAE 5W-40 grade number are preferred when minimum temperatures consistently fall below -15° C (5° F).
ACEA Categories
For countries that use the ACEA European Oil Categories for Service Fill Oils, use engine oils that meet the requirements of ACEA A1/B1, A2/B2, or
A3/B3.