CH-4 Oil 15W-40 is a high performance diesel engine oil that provides proven protection of diesel engines operating in severe conditions for both On and Off-highway applications. CH-4 Oil 15W-40 is primarily intended for use in Tata Motors Diesel Commercial Vehicles. The technology in CH-4 Oil 15W-40 delivers excellent performance in both modern diesel engines as well as older models.

he technology in CH-4 Oil 15W-40 delivers excellent performance in both modern diesel engines as well as older models. The key benefits include:

Features	Advantages and Potential Benefits
Thermal and oxidation stability	Controls sludge build-up and deposits
TBN reserve	Deposit control
Stay-in-grade shear stability	Reduced oil consumption and wear protection
Excellent detergency/dispersancy	Cleaner engines and longer engine life
Component compatibility	Longer gasket and seal life