UNO TRANS C4 SAE 30 is formulated to meet the specification of C4 Type hydraulic transmission fluid for General Motors Corporation, USA. This is  blended with premium quality base stocks with special additives to impart high oxidation stability, anti-wear, anti-rust, anti-foam and desired frictional characteristics while in service. This is also compatible with seal material present in hydraulic transmission systems.


UNO TRANS C4 SAE 30 is recommended for all commercial power shift transmissions, industrial torque convertors and automatic transmissions manufactured by Detroit Diesel Allison, Division of General Motors Corporation, USA. This is also can be used in wide variety of off-highway equipment such as dumpers, scrapers, shovel loaders, log loaders, crawler tractors, excavators etc.

Performance Benefits

Ensures smooth operation of precision Hydraulic control systems
  • Protecting from wear of gear and other lubricated parts.
  • Provide high protection against rust and Corrosion.
  • Excellent seal compatibility with seal and components used  in Hydraulic transmission systems


TES – 228 for Hydraulic Transmission Fluid Type C4 of Detroit Diesel Allison, Meets GeM specification.

Typical physical Characteristics

TestsSpecificationTypical Value
AppearanceBright & clearBright & clear
Kinematic Viscosity @ 100 deg CMin : 9.3 Max 12.510.6
Viscosity Index (min)100 Min110
Pour Point deg C Max-27-27
COC Flashpoint deg C Min180195
Calcium % wt0.1500 – 0.18360.1628
Zinc % wt0.0635 – 0.07500.0646
Phosphorus % wt0.0585 – 0.07150.0612

Health and Safety

These oils are not hazardous under normal conditions of use. For further guidance appropriate Material Safety Data Sheet may be referred.

Available Size:

210L, 50L, 26L