This class includes: - manufacture of internal combustion piston engines, except motor vehicle, aircraft and cycle propulsion engines: • marine engines • railway engines - manufacture of parts suitable for use solely or principally with internal combustion engines, e.g. pistons, piston rings, carburettors and such for internal combustion engines, diesel engines etc, except for motor vehicles - manufacture of inlet and exhaust valves of internal combustion engines - manufacture of turbines and parts thereof: • steam turbines and other vapour turbines • hydraulic turbines, waterwheels and regulators thereof • wind turbines and mills • gas turbines, except turbojets or turbo propellers for aircraft propulsion - manufacture of boiler-turbine sets - manufacture of turbine-generator sets, consisting of a turbine and a generator mounted together - manufacture of engines for industrial application - factory overhaul of ship and boat engines
This class excludes: - manufacture of electric generators (except turbine generator sets), see 271 - manufacture of prime mover generator sets (except turbine generator sets), see 2710 - manufacture of parts of motor vehicles combustion engines, see 2910 - manufacture of electrical equipment and components of internal combustion piston engines for motor vehicles, see 293 - manufacture of pistons, piston rings, carburetors and such for internal combustion engines, diesel engines for motor vehicles, see 293 - manufacture of internal combustion piston engines propulsion engines for aircraft, see 3030, 3030 - manufacture of motorcycle propulsion engines, see 3091 - manufacture of aircraft engines, turbojets and turbo propellers, see 3030, 3030