... Toyota 4Y, with NG,CNG,LNG,LPG or Biogas as fuel. Parameter/Specifications LineItemsNGLPG1Type4 stroke, inline, ... .2374Compression ratio8.88.85Rated power for matched gensets (kw/rpm)23/1,800, Engine #: NG4Y-2325/ ... 4852/3,600, Engine #: LP4Y-526Fuel consumption g/(kW·h)2802607Lubricating methodForced and Splash lubrication8Ignition methodLPG/CNG IgnitionLPG ... M16x1.5 4Y Gas Engine for Generator Set