Also Called: Fuel oil, No 4; Gasoil - unspecified; [A distillate oil having a minimum viscosity of 45 SUS at 37,7 °C (100 °F) to a maximum of 125 SUS at 37,7 °C (100 °F).]; Fuel oil No. 4 [Gasoil unspecified];Fuel oil, No 4;[A distillate oil having a minimum viscosity of 45 SUS at 37,7 °C (100 °F) to a maximum of 125 SUS at 37,7 °C (100 °F).];Fuel oil, no. 4;[A distillate oil having a minimum viscosity of 45 SUS at 37,7 å¡C (100 å¡F) to a maximum of 125 SUS at 37,7 å¡C (100 å¡F).];Fuel oil, no. 4 A distillate oil having a minimum viscosity of 45 SUS at 37.7GradC (100GradF) to a maximum of 125 SUS at 37.7GradC (100GradF);Fuel oil, no. 4 A distillate oil having a minimum viscosity of 45 SUS at 37.7°C (100°F) to a maximum of 125 SUS at 37.7°C (100°F)