CUMMINS ENGINE ELECTRIC CIRCUIT
  TIER 2
TIER 3 (QSB~QSL)
TIER 3 (QSM11)
TIER 4 INTERIM(QSB6.7-Below 174 hp)
TIER 4 INTERIM(QSB6.7-More then 174 hp, QSL9)
TIER 4 FINAL(QSB6.7)
TIER 4 FINAL(QSF3.8)
TIER 4 FINAL(QSL9)
Stage V (F3.8, 55kW, HX130A LCR)
Stage V (F3.8, greater than 55kW, HX140A L, HX145A LCR)
Stage V (B4.5)
Stage V (B6.7)
Stage V (L9)
Stage V (X12)