The importance of emissions control in Tier 4 compliant systems

Johnson Matthey leads in emissions control, guiding customers to Tier 4 compliance. Our expertise and commitment make us a reliable partner for meeting and exceeding strict emissions standards.

As environmental regulations become stricter, advanced emissions control systems become increasingly important. Tier 4 systems are the latest standard for cutting harmful pollutants from diesel engines, helping protect people and the environment.

Meeting Tier 4 rules means lowering emissions of particulate matter (PM) and nitrogen oxides (NOx), two of the most harmful engine byproducts. These changes help companies comply and show they care about the environment and responsibility.

Innovation drives what we do. Our teams keep developing and improving new technologies, working with clients to find the right answers to even the hardest emissions-control problems. By choosing Johnson Matthey, you get more than compliance; you get peace of mind from experts.

Johnson Matthey is your trusted partner for Tier 4 compliance. With proven expertise, we are dedicated to helping organisations achieve cleaner air and a sustainable future. Choose Johnson Matthey for industry-leading emissions control and peace of mind.

Our SCRT® system allows our customers to meet EPA Tier 4 compliance

The SCRT system comprises:  

  • Urea-based SCR system  

  • Urea injection system delivers precisely for optimum NOx reduction 

  • Proprietary SCR catalysts (SINOx® catalyst) 

  • Mixing chamber  

  • Integrated silencer  

  • Exhaust stack  

  • CRT® DPF system 

  • CRT technology was developed and patented by JM 

  • Catalyst to regenerate the diesel particulate filter (DPF) 

  • DPF traps the PM in diesel exhaust 

  • Alerts operator when and how to long to regenerate the DPF 

 

Tier 4 emission rates:

Pollutant 

Outlet emission 

NOx 

0.67 g/kWh (0.50 g/hp-h) 

CO 

3.50 g/kWh (2.6 g/hp-h) 

NMHC 

0.19 g/kWh (0.14 g/hp-h) 

PM 

0.03 g/kWh (0.022 g/hp-h) 

 

Download Tier 4F emission control brochure

Download emission control solutions brochure

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