(Version E) for Fuel Class B and C, 2G agenitor series 2/ 3/4, Caterpillar CG170, Caterpillar CG260 – TR 2105, Caterpillar G132, Conforms GE Jenbacher: Series 6(F) and Series 4(C) engines, GE Jenbacher: Series 2, GE Jenbacher: Series 3, GE Jenbacher:Series 4 (Version B), GE Jenbacher:Series 6, Landfill gas, Landfill gas and Sewage gas, MAN M-3271-4 (Special gas), MAN T&B M-3271-2 Natural gas), MTU Series 400: Biogas, MWM gas engines: TR2105, Sewage gas, Tedom: Biogas