Executive order
D-420U-1
Engine Control Systems Ltd.
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| 1996-2002 model-year 3.9, 5.9, and 8.3 liter Case off-road compression-ignition engines. This exemption is limited to engines subject to California's Tier-1 exhaust emisison standards. This exemption is also limited to engines used in port equipment such as yard tractor, lift truck, top pick, side pick, and a gantry crane. | The AZ Purifier and AZ Purimuffler can be installed on engines operated using standard California diesel, ultra-low sulfur diesel, or PuriNOx water emulsion fuel based on either standard California diesel or ultra-low sulfur diesel. |