- 2004 495 series diesel en-gine enterprise standard. 11. The No. of production license of this series diesel engine is: XK06' - 205 - 00160, XK06 - 205 - 00161, XK06~ - 205 -. 00279. 12. The 'position of safety warning marks: (1) Theres a guard aga.inst burning mark at'the end of the cylinder cover which is beside the exhaust manifold of the diesel engine. (2) Theres a guard against fire mark at the oil filler. (3) ThereS a guard against twinning mark on the inlet man- ifold. (4 ), There's a flywheel rotating direction mark on the fly- wheel housing.