Propeller
An outboard motor is installed at the stern and its propeller immersed in water. It provides power to ships with its rotating propeller.
| Model | 7GSJ8 | 7GS12 | 7GSJ12 | 7GS20 | 7GSJ20 | 7GSJ36 |
| Power(KW) | 5.9 | 8.8 | 8.8 | 14.7 | 14.7 | 26.7 |
| Maximum cylinder pull（kilogram/power） | ≥130 | ≥180 | ≥180 | ≥220 | ≥220 | ≥280 |
| Propeller speed（r/min） | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Speed（kw/h） | 8.5 | 9 | 9 | 9.5 | 9.5 | 10 |
| Diameter of the propeller（mm） | ￠380 | ￠450 | ￠450 | ￠520 | ￠520 | ￠580 |
| Weight（kg） | 50 | 106 | 106 | 109 | 109 | 160 |
