850211 Generating Sets With Compression-ignition Engines, Not Exceeding 75kva
850212 Generating Sets With Compression-ignition Engines, Output 75kva-375kva
850213 Generating Sets With Compression-ignition Engines, Exceeding 375kva
850220 Generating Sets With Spark-ignition Internal Combustion Piston Engines
850230 Other Generating Sets
850240 Electric Rotary Converters