D-I MARINE SWITCHES

D-I MARINE SWITCHES –
Efficiency and reliability in all conditions
D-I Industrial Co., Ltd. is a South Korean manufacturer of marine switches, hydraulic PTO clutches, and vessel control systems. Founded in 1990, the company produces around 6,000 clutches annually, with a wide power range spanning 75 to 1700 horsepower.
D-I offers over 40 different marine gearbox models, covering power outputs from 70 to 1500 horsepower. These gearboxes are engineered for reliable performance, easy maintenance, and long service life — whether for recreational use or demanding professional applications.
🔹 Quiet and efficient operation
🔹 Consistent torque – Same capacity and gear ratio in both forward and reverse.
🔹 Trolling function – Certain models feature a special slip valve for precise, slow-speed maneuvering.
🔹 Flexible drive plate improves comfort and protects the drivetrain.
🔹 Optional electric shift valve – Enables fast and precisely controlled shifting.
🔹 Lightweight design – Maintains performance without adding unnecessary weight.
🔹 Easy maintenance – User-friendly design ensures fast and hassle-free servicing.
🔹 Minimal wear parts – The only regularly replaced component is the zinc anode, reducing maintenance costs.
🔹 Quick flywheel housing swap – Designed for easy service and installation.
D-I marine gearboxes and clutches offer the perfect combination of performance, durability, and practicality – a choice you can trust!
D-I MARINE SWITCHES
Type | Ratio | Input power (hp) | Weight (kg) |
1.63, 2.07, 2.51, 2.95, 3.31
| 81 | 77 | |
1.60, 2.06, 2.45, 2.82, 3.11, 3.45
| 181 | 143 | |
1.60, 2.05, 2.45, 2.82, 3.11, 3.45
| 289 | 162 | |
4.07, 4.50, 4.95 5.28, 5.94 | 293/284/247 | 263 | |
1.21, 1.54, 1.84, 2.12, 2.52
| 340 | 120 | |
1.76, 2.09, 2.42, 2.82, 3.19, 3.81
| 362 | 212 | |
1.97, 2.57, 3.03, 3.46
| 429 | 218 | |
4.07, 4.50, 4.95
| 433/413/382 | 293 | |
1.83, 2.09, 2.51, 3.08, 3.43
| 554 | 270 | |
4.04, 4.47
| 554 | 352 | |
5.15, 5.95
| 554 | 475 | |
1.83, 2.09, 2.51, 3.08, 3.43
| 594 | 370 | |
4.04, 4.47
| 594 | 370 | |
DMT240H
|
1.50, 1.97, 2.44, 2.93, 3.40
| 722 | 400 |
2.06, 2.50, 2.92, 3.26
| 854 | 490 | |
3.53, 4.08, 4.52 | 854/789 | 640 | |
5.11, 5.62, 5.91 | 854/788 | 850 | |
2.06, 2.50, 2.92, 3.26
| 985 | 506 | |
3.56, 4.13, 4.59
| 985/965/946 | 700 | |
1.43, 1.72, 2.03, 2.46, 2.75
| 1499/1486/1241/1067 | 660 | |
3.02, 3.28, 3.56, 4.07, 4.48, 4.95
| 1497/1419/1258 | 750 | |
1.43, 1.64, 1.81, 2.03, 2.33, 2.60, | 1821/1775/1602/1337 | 730 | |
3.02, 3.28, 3.56, 4.07, 4.48, 4.95
| 1818/1760/1585 | 830 |