Ram Trucks 2012 Chassis Cab - Diesel Supplement - Manual (Page 85)

Fuel Specifications
The Cummins ௡ diesel engine has been developed to take
advantage of the high energy content and generally
lower cost No. 2 Ultra Low Sulfur diesel fuel or No. 2
Ultra Low Sulfur climatized diesel fuels. Experience has
shown that it also operates on No. 1 Ultra Low Sulfur
diesel fuels or other fuels within specification.
NOTE:
• A maximum blend of 5% biodiesel meeting ASTM
specification D-6751 may be used with your Cum-
mins
௡ diesel engine.
• In addition, commercially available fuel additives are
not necessary for the proper operation of your Cum-
mins
௡ diesel engine.
• No. 1 Ultra Low Sulfur diesel fuel should only be used
where extended arctic conditions (-10°F or -23°C) exist.
ADDING FUEL
CAUTION!
To avoid fuel spillage and overfilling, do not “top
off” the fuel tank after filling.
NOTE:
• When the fuel nozzle “clicks” or shuts off, the fuel
tank is full.
• Tighten the fuel filler cap until you hear a “clicking”
sound. This is an indication that the fuel filler cap is
properly tightened.
• Make sure that the fuel filler cap is tightened each time
the vehicle is refueled.
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