620 hp 2600 rpm
Seatek PLUS Series – 620 PLUS
A high-performance engine engineered for low-RPM operation and high torque output, the 620 Plus delivers exceptional durability, long maintenance intervals, and outstanding TBO.
Its robust design makes it ideal for military and paramilitary patrol vessels engaged in extended missions, offering reliable cruising efficiency with the capacity to deliver high-speed bursts when required. Perfectly suited for propulsion systems such as hydrojets and underwater propellers.
Key Features at a Glance
MOD. 620 PLUS - Technical Specifications
Configuration
Diesel Turbocharged 4 Stroke - Mechanical Injection
No. of Cylinders
6 in line
Bore / Stroke
127 / 135 mm
Total Displacement
10.3 Lt.
No. of Valves
4 per cylinder
Dry Weight
900 kg (1980 lbs)
Max Output
456 kW (620 HP)
Max Speed
2600 RPM
Fuel Consumption
190 g/kWh (4.88 Ounces/HP/h)
MOD. 620 PLUS - Performance Chart
The performance curve chart for the MOD. 620 PLUS engine illustrates three key parameters plotted against Engine Speed (RPM)
This graph provides a comprehensive view of the engine’s operational efficiency across varying speeds, helping optimize performance and fuel economy.
Torque (Nm)
- Starts ~2000 Nm at 1500 RPM
- Peaks slightly above 2100 Nm at around 1800 RPM
- Gradually decreases after the peak, dropping to ~1700 Nm at 2600 RPM
Power (Kw)
- Starts at ~315 kW at 1500 RPM.
- Increases steadily and plateaus around 455 kW between 2300–2600 RPM
Fuel Consumption(gr/kWh)
- Begins high at ~220 gr/kWh at 1500 RPM
- Decreases to a minimum (~192 gr/kWh) near 1900 RPM
- Then it rises again towards ~210 gr/kWh at 2600 RPM
Dimensions
