4 4

C4.4 ACERTâ„¢
  Power
    70-130 bkW (94-174 bhp)
  Fuel System
    Common Rail
  Air System
    Single or Twin Turbochargers
  NOx Reduction Technology
    Cat® NOx Reduction System and
    Selective Catalytic Reduction
  PM Reduction Technology
    DOC Only as standard
    DOC/DPF on select products
  Regeneraton Technology
    No regeneration required with
    DOC only system
    Fully passive regeneration when
    the DOC/DPF system is specified