|
Groups |
Classes |
| |
Cylinder capacity |
| |
|
| Group I : |
Reciprocating 2 or 4 stroke |
1 |
Up to |
250 cm3 |
|
|
| |
engine with supercharger |
2 |
Over |
250 cm3 |
to |
350 cm3 |
| Group II : |
Reciprocating 2 or 4 stroke |
3 |
Over |
350 cm3 |
to |
500 cm3 |
| |
engine without supercharger |
4 |
Over |
500 cm3 |
to |
750 cm3 |
| Group III : |
Diesel cycle engine with |
5 |
Over |
750 cm3 |
to |
1100 cm3 |
| |
supercharger |
6 |
Over |
1100 cm3 |
to |
1500 cm3 |
| Group IV : |
Diesel cycle engine without |
7 |
Over |
1500 cm3 |
to |
2000 cm3 |
| |
supercharger |
8 |
Over |
2000 cm3 |
to |
3000 cm3 |
| Group V : |
Rotary engine with |
9 |
Over |
3000 cm3 |
to |
5000 cm3 |
| |
supercharger |
10 |
Over |
5000 cm3 |
to |
8000 cm3 |
| Group VI : |
Rotary engine without |
11 |
Over |
8000 cm3 |
|
|
| |
supercharger |
|
|
|
|
|
| Group XV : |
Hydrogen reciprocating |
|
|
|
|
|
| |
engine |
|
|
|
|
|
| |
|
| |
Unloaded weight |
| |
|
| Group VII : |
Solar powered |
1 |
Up to |
500 kg |
|
|
| Group VIII : |
Electrical engine |
2 |
Over |
500 kg |
to |
1000 kg |
| Group IX : |
Turbine engine |
3 |
Over |
1000 kg |
|
|
| Group X : |
Steam engine |
|
|
|
|
|
| Group XI : |
Hybrid engine |
|
|
|
|
|
| Group XIV: |
Fuel Cell engine |
|
|
|
|
|
| |
| |
