Multiquip RE554144 SCR Catalyst - OEM Replacement Part for Generator Exhaust Systems

The SCR (Selective Catalytic Reduction) catalyst is a critical emissions control component that reduces nitrogen oxide (NOx) emissions in diesel generator exhaust systems. This catalyst uses a chemical reaction to convert harmful NOx gases into harmless nitrogen and water vapor, ensuring your generator meets EPA Tier 4 Final emissions standards required for the John Deere 6068HFG09 diesel engine platform.

Designed specifically for the WhisperwattTM Super Silent generator series, this SCR catalyst maintains optimal exhaust after-treatment performance in generators delivering standby output of 194 kW (242 kVA) and prime output of 176 kW (220 kVA) at 1,800 rpm. The catalyst works in conjunction with diesel exhaust fluid (DEF) injection to achieve maximum NOx reduction efficiency. Failure symptoms include increased emissions, DEF consumption irregularities, reduced engine performance, and fault codes related to exhaust after-treatment system malfunction.

This component is essential for maintaining regulatory compliance and optimal generator performance in sound-attenuated applications where the DCA220SSJU4F operates.

Compatible Models:

• DCA220SSJU4F

Genuine Multiquip OEM part, sold by an authorized dealer.