User Manual - Page 444

For RAM 2021 CHASSIS CAB.

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442 TECHNICAL SPECIFICATIONS
Fuel Selection
Use good quality diesel fuel from a reputable supplier in your vehicle. Federal law requires that
you must fuel this vehicle with Ultra Low Sulfur Highway Diesel fuel (15 ppm Sulfur maximum)
and prohibits the use of Low Sulfur Highway Diesel fuel (500 ppm Sulfur maximum) to avoid
damage to the emissions control system.
For most year-round service, Number 2 diesel fuel meeting ASTM specification D-975 Grade
S15 will provide good performance.
If climatized or diesel Number 1 ULSD fuel is not available, and you are operating below
(20°F/-6°C), in sustained arctic conditions, Mopar Premium Diesel Fuel Treatment (or
equivalent) is recommended to avoid gelling.
This vehicle is fully compatible with biodiesel blends up to 5% biodiesel meeting ASTM
specification D-975. Pickup models, and Chassis Cab models configured with optional B20
capability, are additionally compatible with 20% biodiesel meeting ASTM specification D-7467.
Diesel Exhaust Fluid
Mopar Diesel Exhaust Fluid (API Certified) (DEF) or equivalent that has been API Certified to
the ISO 22241 standard. Use of fluids not API Certified to ISO 22241 may result in system
damage. You can receive assistance in locating DEF in the United States by calling
866-RAM-INFO (866-726-4636). In Canada call 1–800–465–2001 (English) or
1–800–387–9983 (French).
Component Fluid, Lubricant, or Genuine Part
21_DPF_OM_EN_USC_t.book Page 442
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