Volvo Penta D4 Operator's Manual page 116

Technical Data
Fuel specification
The fuel must comply with national and international standards for commercially supplied fuels, such as:
EN 590 (with national environment and cold requirements)
ASTM D 975 No 1-D and 2-D
JIS KK 2204
Sulfur content: Complying with legal requirements in each country.
Low density fuel (urban diesel in Sweden and city diesel in Finland) can cause a loss of up to 5% of power and
an increase in fuel consumption of about 2–3%.
Volume
Fresh water system volume (ca)
Thermostat
The thermostats begins opening/fully open
114
Viscosity
Select the viscosity according to the table.
The temperature values refer to stable ambient tem-
peratures.
* SAE 5W/30 refers to synthetic or semi-synthetic oils.
Fuel System
Cooling System
D4: 13 liter (3.4 Us gal)
D6 : 16,5 liter (4.4 US gal)
82 °C/92 °C (179.6 °F/197.6 °F)
7748934 04-2008