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Sleipner Motor AS

Arne Svendsensgate 6-8, 1610 Fredrikstad
Telephone +47 69 3000-60
Fax +47 69 3000-70

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Hall map

boot 2022 hall map (Hall 7a): stand F23

Fairground map

boot 2022 fairground map: Hall 7a

Our range of products

Product categories

  • 02  Engines and Related Equipment
  • 02.02  Engine Parts/Control
  • 02.02.29  Stabilisers

Our products

Product category: Stabilisers

Hydraulic Tunnel Thruster 240 kg

Side-Power bow and stern thrusters with PRO speed control allow precise handling of the boat in all situations due to the exact control of the thrust. In good weather conditions, the noise level can be significantly reduced by the measured use of the thrust control.

With the locking function of the control units, the bow and stern thrusters can hold the boat at the mooring point with the push of a button. This makes it possible to perform mooring maneuvers on your own. PROportional speed control is the best choice for joystick controls.

Our S-link™ system is a CAN-bus technology based control system that provides comprehensive and intelligent communication between all devices in the system, comparable to a computer network.

Round connectors are compact and waterproof. Mistaken connections are avoided thanks to the mix-up-proof design and standardized color coding
Unlimited number of control commands and data transfers over a single system cable
System feedback on the control unit
Intelligent troubleshooting

Noise reduction of up to 75% possible
Average noise reduction in practice between 20 and 40%
Conversion kits incl. Q-prop™ adapters available for older side-power models

Twin Propeller - Counter-rotating
This system provides the most thrust with good efficiency when the tunnel diameter is limited by design due to space constraints. We therefore use this design principle in our large bow thrusters to produce the greatest possible thrust. Leading shipyards use these models in their high-end yachts.

Encapsulated gears
Encapsulated gearboxes with long-life mechanical seal where polished ceramic and carbon surfaces are the only moving sealing surfaces. Pre-filled at the factory with special gear oil for a lifetime of lubrication and maximum protection against water ingress.

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Product category: Stabilisers


We produce our hydraulic cylinders for rudder controls in many different sizes. The cylinders have a swivelling bearing block that is mounted in the boat and a piston rod with a spherical bearing or fork mount that is mounted on the rudder arm. This allows the systems to be used in a variety of ways and can be combined with almost all rudder systems. For the correct dimensioning of the cylinder size, the rudder torque must be calculated accordingly (see technical data). If you have any questions regarding installation etc., your dealer will be pleased to help you.

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Product category: Stabilisers

Ratt Ø28 rustfritt assorted


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About us

Company portrait

Sleipner Motor was founded in 1908 in Fredrikstad in the south of Norway and today has approximately 140 employees and additional branches in the UK, Germany, Denmark, Sweden and Finland. Until the mid 70's the company mainly produced boat engines and shaft units. Sleipner's engines were widely used in Norway and were considered almost indestructible. Together with the boat, they were often passed down within families for several generations, and even today many examples are still in use.
Commitment to quality
Sleipner has always been known for the uncompromising quality of its products and was one of the few engine manufacturers to have its own foundry. The aim was to combine production and related expertise to ensure a high level of quality. This company objective has not changed since the beginning and Sleipner today has a state of the art manufacturing facility, ISO9001 certified by Norwegian Veritas (DNV), with numerous CNC machining centres.

World leading manufacturer
At Sleipner, many of our employees are enthusiastic boaters themselves. Through their experience at sea, they know about the dependence of boat and technical equipment even under adverse conditions. Based on this experience and our commitment to quality, we develop and manufacture products that are absolutely reliable. The fact that most of the world's renowned yachtyards prefer Side-Power products shows us that we are on the right track. Side-Power's innovative bow and stern thruster ranges are undoubtedly the benchmark in this market segment.

Worldwide sales and service
In addition to our own branches in Great Britain, Denmark, Sweden and Finland, Sleipner Motor has numerous importers who, with their respective networks of specialist dealers and service technicians, ensure the high standard of our products around the globe.