WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Figure 17 depicts an example of catalytic mounting options. Figure 17 CATALYTIC CONVERTER MOUNTING OPTIONS FLYWHEEL All the Weichai engines come with SAE 1 standard flywheel with SAE 3 adapters. The adapter will be used depending on the customer requirement and the adapters are as shown in below picture. Contract Weichai representative for assistance of the connector/adaptor installation. Figure 18 Flywheel and Flywheel housing WEICHAI EMISSION-RELATED INSTALLATION INSTRUCTIONS GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM