850 hp 3100 rpm
Seatek PLUS Series – 850 PLUS
The most powerful fully mechanical, single-turbo engine in the Seatek lineup, the 850 Plus offers an exceptional power-to-weight ratio with no reliance on electronic control systems.
Derived from the proven 820 Plus, it delivers even higher performance while maintaining excellent service intervals and TBO.
Widely adopted by elite military forces for high-speed operations, the 850 Plus combines raw power, mechanical reliability, and ease of maintenance in the most demanding environments.
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
940 Kg (2068 lbs)
Max Output
625kW (850 HP)
Max Speed
3100 rpm
Fuel Consumption
210 g/kWh (5,00 Ounce/HPh)
MOD. 850 PLUS - Technical Specifications
The performance curve chart for the MOD. 850 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 around 1950 Nm at 1800 RPM
- Peaks slightly above 2150 Nm at around 2400 RPM
- Gradually decreases after the peak, dropping to about 1850 Nm at 3100 RPM
Power (Kw)
- Starts at around 350 kW at 1800 RPM
- Increases steadily and plateaus above 600 kW between 3000–3100 RPM
Fuel Consumption(gr/kWh)
- Begins high at about 600 gr/kWh at 1800 RPM
- Decreases to a minimum (around 205 gr/kWh) near 2400 RPM
- Then it rises again towards 230 gr/kWh at 3100 RPM
Dimensions
