Allison C-4
Allison C-4 approved oils
The Allison C-4 tolerance manufacturer is Allison. Olives with this standard are produced in 15 countries of the world, namely Germany, France, Belgium, the Netherlands, Finland, Canada, Russia, Japan, the USA, Italy, Sweden, South Korea, Lithuania, Singapore, Switzerland. More than 57 manufacturers of motor and other oils are involved in the production of oils that meet the Allison C-4 tolerance.
The Allison C-4 tolerance defines the requirements for oils used in Allison transmissions that operate under severe operating conditions in trucks and off-road vehicles.