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AJ 285


The AJ 285 is the newest jet in the COMBI-FRAME series. The COMBI-FRAME is a patented frame and installation method designed and developed by Alamarin-Jet Oy.

Following the success of AJ 245 many customers requested the combi-frame installation method for larger, more powerful vessels.

AJ 285 is suitable for engines up to 500HP. Applications include workboats, military vessels, pleasure craft and many more.

Engine Features & Specifications

AJ 288 is compatible with AJ ACU and AJ Intelligent Operation control systems

Alamarin-Jet Maximum vessel displacement:
5000kg / 11 000lbs

Maximum input power:
368 kW / 500 HP

Jet weight:
148kg / 325lbs

Pump type:
Mixed flow

Maximum impeller shaft RPM:
3700 1/min

Maximum impeller diameter
288mm / 11.3"

Reverse deflector control:

Jet construction:
Aluminium / Stainless Steel

  • Alamarin-Jet Spare Parts

    • Dedicated Alamarin - Jet Team of Specialists
    • Close Partnership with Alamarin - Jet with full access to the OEM supply chain
    • Extensive Alamarin - Jet spare parts inventory
    • Competitive pricing and minimal turn around times
  • Alamarin-Jet Spare Parts

    Alamarin-Jet Spare Parts

    Find out more about our extensive spare parts inventory.


  • Factory-approved Alamarin - Jet Service

    • Short turn around times for emergency service in the Americas
    • Factory-trained and experienced technicians
    • Installation of complete units
    • Retrofits and upgrades of existing equipment
  • Alamarin - Jet Service

    Alamarin - Jet Service

    Find out more about our engine and auxiliary services.


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Full service locations in Southeast, the Mid-Atlantic, the Gulf Coast and the Pacific Northwest, plus a network of local representatives throughout the Americas and the Caribbean.

Estamos Disponible Para Servirle
Instalaciones de servicio completo en el Sureste; Costa Noroeste, y El Golfo. Además una red de agentes en
América Latina y el Caribe.