CONTACTOR-PRESSURE 4W2641 - Caterpillar

Table 4
Model Year    Model    Engine S/N    Family    Code    
1985     3406B DITA (ATAAC)     7FB35917-51254     FCT0893FPB8     A    
1986     3406B DITA (ATAAC)     7FB51255-78053     GCT0893FPB7     A    
1987     3406B DITA (ATAAC)     7FB78054-99999     HCT0893FPB6     A    
1987     3406B DITA (ATAAC)     4MG00001-03599     HCT0893FPB6     A    The Family Code can be found on the EPA Label. The above engines can meet the smoke opacity cutpoint limit of 55% providing that the fuel settings are adjusted to Factory specifications and that the engines have been properly maintained.It is possible and may be desirable to further improve the exhaust smoke emitted by these 49-states certified engines with the installation of a remanufactured Fuel-Air Ratio Control (0R1295/7W2831 FARC). The costs for this update