HI-eSCR2 System

Our heart beats for efficiency

All STEYR models equipped with the patented high efficiency Selective Catalytic Reduction (HI-eSCR2) fulfill Stage V emission regulations.

This is an evolution of the proven Stage IV solution and delivers class-leading power with no compromise on efficiency. As a result, these machines develop more horsepower with less fuel, are more responsive and reliable – all with the extremely low Stage V emissions levels.

Patented engine technology to achieve the latest emission regulation.

No particulate filter
No exhaust gas recirculation
No additional maintenance
No oil deterioration because of exhaust gas recirculation

DOC (Diesel Oxidation Catalyst) helps to quickly warm up the SCR catalyst.

Correct SCR catalyst temperature is important for efficient NO x reduction.
In addition to emission modifications, new improvements deliver the following:

Increased productivity
Increased power