Engine Speed : 1000 – 2300 RPM
| Ratio | Rate (HP/RPM) |
| 4.00 | 0.35 |
| 4.48 | 0.33 |
| 5.05 | 0.30 |
| 5.52 | 0.25 |
| 5.90 | |
| 6.56 | 0.20 |
| 7.06 | |
| 7.63 | 0.17 |
Marine Gearbox D300A 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, light in weight and easy in dismantle & reassemble and maintain.
| Main Dimensions (L x W x H) | 786 x 920 x 1040 mm |
| Net Weight | 940 kg |
| Options/Comments | PTO, Mechanical or Electrical Remote Control |
| Center Distance | 355 mm |
| Rated Propeller Thrust | 60 kn |
| Flywheel | SAE 14, 16, 18 |
| Bell Housing | SAE 0, 1 |
