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900 CR

900 HP 3100 rpm

The most powerful 6-cylinder engine in Seatek’s lineup, the 900 CR combines advanced Common Rail injection with an outstanding power-to-weight ratio for top-tier performance

Used by elite military units and high-end recreational vessels, it offers the speed, responsiveness, and reliability required for demanding missions

Built with the same mechanical integrity that defines the Seatek Plus range, it delivers long maintenance intervals and consistent performance under pressure

Key Features at a Glance

Incredibly Compact Design

Width, Length and Height of only 777 mm, 1701 mm and 1116 mm

High Power-to-Weight Ratio

900 HP with a light weight of 940 kg resulting in a HP/kg of 0.96

High Reliability

Exeptional TBO and very long maintance schedules

MOD. 900 CR - Technical Specifications

Configuration

No. of Cylinders

Bore / Stroke

Total Displacement

No. of Valves

Dry Weight

Rated power

Speed

Flywheel housing

Gearbox type

Optimization of exhaust emissions

Diesel turbocharged 4 stroke – common rail injection

6 in line

127/135 mm (5/5.3 in)

10.3 l

24

940 kg (no gearbox)

662 kW (900 hp)

3100 rpm

SAE 2

ZF 325-1 (A) or ZF 305.3 (A)

CE RCD 2013/53/UE

MOD. 900 CR Technical Specifications

The performance curve chart for the MOD. 900 CR engine illustrates three key parameters plotted against Engine Speed (RPM):

Torque (Nm)

  • Starts around 850 Nm at 900 RPM
  • Peaks slightly above 2300 Nm at around 2300 RPM
  • Gradually decreases after the peak, dropping to about 2000 Nm at 3100 RPM

Power (Kw)

  • Starts at around 120 HP at 900 RPM
  • Increases steadily and plateaus around 900 HP between 2900–3100 RPM

Fuel Consumption(gr/kWh)

  • Begins high at about 220 gr/kWh at 900 RPM
  • Decreases to a minimum (around 210 gr/kWh) near 2300 RPM
  • Then it rises again towards 220 gr/kWh at 3100 RPM

This graph provides a comprehensive view of the engine’s operational efficiency across varying speeds, helping optimize performance and fuel economy.

Dimensions

View Dimensions
  • Starter system: Electric starter 24 V
  • Air intake: Dry air filter with stainless steel net
  • Engine management system: Engine control and monitoring system on can-bus technology
  • Auxiliary PTO: Alternator 80 A, 2 poles
  • Exhaust gas: Liquid cooled aluminium exhaust manifold
  • Cooling system: Coolant-to-raw water plate core heat exchanger for engine coolant and intercooler
  • Oil system: Gear driven lube oil pump, lube-oil duplex filter, lube-oil heat exchanger, handpump for oil extraction
  • Turbocharger: Liquid cooled turbocharger with pneumatic wastegate
  • Fuel system: Electric fuel feeding pump with pre-filter, fuel main filter supplied by Hydac, return fuel cooler, HP fuel pump up to 2200 Bar and electronic injectors supplied by Liebherr
  • Flywheel: SAE 2 Flywheel housing
  • Mounting system | Flexible mounting
  • Riser Riser: connection kit either rigid or flexible
  • Auxiliary: Auxiliary pump (power steering)

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