6 x 1 L tin 34535

Classic Monograde 50 is a mineral, single-grade SAE 50 motor oil specially designed for classic petrol and diesel engines. Carefully selected additives provide the product with the following properties:

  • Outstanding lubrication properties
  • Superb protection against wear
  • Effective protection against corrosion
  • Does not cause caked-on dirt to become detached
  • Excellent resistance to foaming
  • Fully compatible with classic seals and rubbers


Classic Monograde 50 is a mineral motor oil for classic combustion engines: modern motor oils can have a disastrous effect on such engines. In order to lubricate precious and often valuable classic cars safely, Kroon-Oil has developed its Classic Oils. This is a complete range that has been specially developed for use in classic vehicles. Classic Monograde 50 is suitable for post-war classic petrol and diesel engines that require a lightly to moderately enhanced single-grade motor oil.

Product specifications

Ford M2C153-C (SF/CC)
Ford M2C9011-A
GM 6085M

Typical standard analyses

Density at 15 °C, kg/l 0,899
Viscosity 40 °C, mm²/s 240,00
Viscosity 100 °C, mm²/s 18,80
Viscosity Index 96
Flash Point COC, °C 258
Pour Point, °C -12
Total Base Number, mgKOH/g 3,5
Acid number, mgKOH/g 2,25
Sulphate Ash, % 0,55