Steyr 290HP 6 Cyl Marine W-Jet Engine - SE306J38

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The unique and robust MONOBLOCK design, engine block and cylinder head made from high grade alloy cast iron, without limitation in cooling and unrivaled roundness of the cylinder, give exceptional life time for the liner.


  • Chrome-Molybdenum forged crankshaft, dynamically balanced
  • Pistons are cast from high silicon aluminium with oil cooling gallery and a ceramic coated top ring
  • Hardened valve-seats high performance NIMONIC valve material
  • Elastic coupling on flywheel, design matched depending on application

Engine Mounting

  • Adjustable front and rear silent blocks capable to take propeller/jet thrust

Lubrication System

  • Exchangeable oil filter cartridge
  • Oil scavenging trough dipstick pipe
  • Closed crankcase breathing system

Fuel System

  • Integrated high pressure unit injector up to 2,000 bar with dual stage fuel injection technology, operated by overhead camshaft and rocker arms
  • Electric fuel pump (automatic bleeding capability)
  • Exchangeable fuel filter cartridge

Cooling System

  • Freshwater cooling system with thermostat control and expansion tank
  • Heat exchanger with integrated expansion tank system
  • Connection prepared for boiler/cabin heating system

Exhaust System

  • Fresh water cooled exhaust manifold and seater cooled exhaust elbow


  • RCD/2003/44 compliant



  • - Direct injection Diesel engines
  • - 4-stroke, turbocharged
  • - 3.2 lt displacement
  • - Power range: 88-215 kW
  • - Dry weight: 340 kg
  • - 85 mm bore, 94 mm stroke
  • - Dual circuit cooling / Fresh water cooling



  • - Perfectly suited for commercial and leisure applications
  • - Dual circuit cooling system with corrosion resistant materials
  • - Excellent performance and highest durability
  • - Compact and lightweight design
  • - SOLAS approved, EPA Tier III certified, many other certificates
  • - Different drive systems can be installed
  • - Sterndrive packages with Bravo One, Two and Three available
  • - Various accessory and installation options & kits available,
      e.g. fuel density kit, additional alternators, AC compressor,preparation for keel cooling, etc.
Engine rotation (looking forward) Anti-clockwise
Propeller rotation (looking forward) Anti-clockwise
Number of cylinders 6
Net weight 340
Compression ratio 17:01
Engine type SE306J38
Engine crankcase vent syst Closed
Output [ps(kW)] acc. to ISO 8665 215 (292)
rom@full load 3550-3850
Displacement [cc] 3200
At speed [rpm] 1800
Injection system Two stage unit injectors
Electronic engine diagnostic YES
Propulsion system Waterjet
Cylinders 6 in line
Brand Steyr
Shipping Weight 400.0000kg
Shipping Width 0.800m
Shipping Height 1.000m
Shipping Length 1.200m
Shipping Cubic 0.960000000m3
Unit Of Measure ea

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