Engine Speed : 750 – 2500 RPM
| Ratio | Rate (HP/RPM) |
| 1.50 | 0.35 |
| 1.87 | |
| 2.04 | |
| 2.23 | |
| 2.54 | |
| 3.00 | |
| 3.53 | |
| 4.10 | 0.272 |
| 4.47 | |
| 4.61 | 0.25 |
| 4.94 | 0.20 |
| 5.44 | 0.177 |
Marine Gearbox HC300 possesses functions of speed reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and one-stage transmission, featuring in small in volume, large in ratio, and light in weight.
| Main Dimensions (L x W x H) | 798 x 930 x 918 mm |
| Net Weight | 700 kg |
| Options/Comments | Mechanical or Electrical Remote Control |
| Center Distance | 264 mm |
| Rated Propeller Thrust | 50 kn |
| Flywheel | SAE 14, 16, 18 |
| Bell Housing | SAE 0, 1 |
