Classifications

Types

1

Arrangement of cylinders

2

Number of cylinders

3

Crankshaft design

4

Firing order

5

Cooling system type

6

Method of fuel entry into engine

7

Type of fuel burned

8

Combustion chamber shape

9

Cylinder head port design

10

Number of valves per cylinder

11

Method of driving camshaft

12

Valve location

13

Camshaft location

14

Method of balancing engine

15

Location of combustion

16

Number of stoke/cycle

17

Piston motion type

18

Alternative engines