Technical Specifications
Overview
Marine Propulsion Engine Series
This series of marine propulsion diesel engines is engineered for high-performance, heavy-duty marine applications, including workboats and commercial fishing vessels. The lineup includes both standard and turbocharged/aftercooled configurations to suit varying power requirements. Designed for durability and efficient combustion, these engines provide reliable power output in demanding maritime environments.
Performance Data
Available Engine Models & Ratings
| Engine Model | SO Number | Rated Power (HP/RPM) | Max Power (HP/RPM) |
|---|---|---|---|
| NT855-M | SO13517 | 255/1744 | 280/1800 |
| NT855-M | SO13518 | 272/1744 | 300/1800 |
| NT855-M200 | SO13421 | 220/1744 | 220/1800 |
| NT855-M200 | SO13460 | 200/1744 | 220/1800 |
| NT855-M | SO13540 | 147/1600 | - |
| NT855-M | SO13520 | 364/2027 | 400/2100 |
| NTA855-M400 | SO13096 | 364/2027 | 400/2100 |
| NT855-M | SO13519 | 318/1744 | 350/1800 |
| NTA855-M350 | SO13273 | 318/1744 | 350/1800 |
| NTA855-M350 | SO13389 | 318/1744 | 350/1800 |
| NTA855-M400 | SO13390 | 364/2027 | 400/2100 |
| NTA855-M | SO13521 | 409/1744 | 450/1800 |
| NTA855-M450 | SO13458 | 409/1744 | 450/1800 |
Key Features
Common Applications
- Commercial Fishing Vessels
- Workboats
- General Marine Propulsion
- Engine Technologies
- Naturally AspiratedTurbochargedAftercooledDiesel Powered




