SM86066 - SECTION ONE
GENERAL INFORMATION
DIESEL FUEL SPECIFICATION If fuel is stored for a long time, foreign particles or water can collect in the fuel storage tank. Many engine problems are caused by contaminated fuel. Store fuel outside and keep the fuel as cool as possible. Drain water from the fuel storage tank at regular intervals. NOTE: Paraffin crystals will start to form in fuel when the fuel temperature falls below the fuel’s cloud point. These paraffin crystals will clog the fuel filter and cause the engine to stop or lose power. At ambient temperatures above 32OF (0OC) use #2 diesel fuel. At temperature below 32OF (0OC) use #1 diesel fuel blend. Different brands of fuel can exhibit different properties. Make sure that the number 2 diesel fuel you use meets the following minimum requirements. MINIMUM REQUIREMENTS FOR NO.2 DIESEL FUEL: Maximum cloud point Maximum pour point
-10OF (-23OC) 42OF (6OC) below the lowest ambient air temperature at which the engine must start
Cetane number, min Max. sulphur content, by weight Max. water content & sediment by volume Max, ash content, by weight Max. carbon residue (10% point)
40 (45 to 55 in winter or at high altitude) 0.50% 0.05% 0.01% 0.20%
Distillation temperature @ 90% point Distillation temperature @ end point Minimum flash point
540 to 625OF (282-329OC) 675OF (357OC) 125OF (52OC)
Viscosity at 100OF (38OC) Centistokes Saybolt Universal Seconds (SUS) Copper strip test, 3 hours @ 212OF (100OC) Minimum API gravity
2.0 to 4.3 32 to 40 No 3 ASTM 30
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June 2004