In Figure 1 we present a diagram of the PAZ 4234-05 Cummins ISF3.8 e3168 electronic engine control system without SCR

In Figure 2 we present a diagram of the PAZ 4234-05 Cummins ISF3.8 e3168 electronic engine control system without SCR (continued)

In Figure 3 we present a diagram of the electronic engine control system PAZ 4234-05 Cummins ISF3.8 s4168 Euro-4 with SCR since 2013

In figure 4 we present a diagram of the electronic engine control system PAZ 4234-05 Cummins ISF3.8 s4168 Euro-4 with SCR since 2013 (continued 1)

In Figure 5 we present a diagram of the electronic engine control system PAZ 4234-05 Cummins ISF3.8 s4168 Euro-4 with SCR since 2013 (continued 2)

In Figure 6, a diagram of the electronic engine control system PAZ 320402-05 / 320412-05 Cummins ISF3.8 s4168 with SCR since 2013

In Figure 7, a diagram of the electronic engine control system PAZ 320402-05 / 320412-05 Cummins ISF3.8 s4168 with SCR since 2013 (continued 1)

In figure 8, a diagram of the PAZ 320402-05 / 320412-05 Cummins ISF3.8 s4168 electronic engine control system with SCR since 2013 (continued 2)