TO-4 Transmission


Oil UK TO-4 Transmission Oils are heavy duty power transmission, final drive and hydraulic fluids. These products have been formulated using high quality base oils and specialised performance additives to meet the exacting requirements of the Caterpillar T0-4 specification. They offer outstanding oxidation stability and improves the frictional and gear wear levels when compared to previous standards. TO- Transmission Oils are suitable for off highway transmissions, drive trains and hydraulic systems and are recommended for Caterpillar, Komatsu and other off road equipment.


Caterpillar TO-4, Allison C-4, API MT-1, Komatsu KES 07.868., ZF TE-ML 03C (SAE 10W & 30, TE-ML 07F (SAE 30)

Packaging Available:

1L, 4L, 5L, 20L, 25L, 60L, 200L, 208L, 1000L


The Transmission TO-4 range is suitable for off highway transmissions, drive trains and hydraulic systems. They are recommended for Caterpillar, Case, Komatsu and other off road industrial equipment. They are not recommended as a crankcase lubricant. Please refer to the manufacturer for specific viscosity requirement. 


  • Meets the latest Caterpillar TO-4 specification
  • Outstanding oxidation stability
  • Excellent high temperature stability
  • Improved frictional performance
  • Passes API CF/CF-2 tests so provides protection if accidentally used in an engine



 SAE 10W

 SAE 30

 SAE 50

 Specific Gravity @ 15.6°C




 Kinematic Viscosity @ 40°C




 Kinematic Viscosity @ 100°C




 Viscosity Index




 Flash Point COC °C




 Pour Point °C

 - 31

 - 30

 - 29