Nhazi nke engines ụgbọ ala nwere ụdị ndị a:

1. Dị ka ụdị ike si dị, a pụrụ ikewa injin ụgbọ ala gaa na mmanụ dizel, injin mmanụ ụgbọala, moto ụgbọ ala eletrik, na ngwakọ.

2. Dị ka nkewa nke oriri usoro, ọ nwere ike kewaa anọ ụdị: eke aspirated, turbocharged, mechanical supercharged na dual supercharged.

3. Dị ka piston ije mode, ọ nwere ike kewaa reciprocating piston esịtidem combustion engine na rotary piston engine.4. Dị ka ụdị nhazi cylinder si dị, e nwere in-line engines, ụdị V-ụdị engines, W-ụdị engines na horizontally megidere engines.

5. Dị ka ọnụ ọgụgụ nke cylinders, ọ nwere ike kewaa n'ime otu-cylinder engine na multi-cylinder engine. Ụgbọ ala ọgbara ọhụrụ na-ejikarị ígwè atọ, sịlịnda anọ, ígwè isii, na ígwè asatọ.

6. Dị ka ụzọ dị iche iche dị jụụ si dị, enwere ike kewaa ya n'ime igwe na-ekpo ọkụ na mmiri na-ekpo ọkụ.

7. Dị ka ọnụ ọgụgụ nke ọrịa strok si dị, enwere ike kewaa ya n'ime engine combustion nke anọ na-agba ọkụ n'ime ọkụ ọkụ abụọ.

8. Dị ka nkewa nke mmanụ ụgbọala mode, carburetor engine, electronic injection engine na kpọmkwem injection engine na cylinder.