Gevitro TO-4 is a high-performance drive line oil, designed for powershift transmissions, final drives and wet brakes for highly demanding off-road equipment such as earthmoving, mine logging, road transport and agricultural applications. Gevitro TO-4 is made of top quality base oils and performance additives designed to fulfil the performance requirements of Caterpillar TO-4, ZF Torque converter transmissions, Komatsu powershift transmissions and Allison C-4 Automatic Transmissions.