Powering Naval Vessels

Caterpillar Defence Products

A Perkins 3008-powered emergency diesel generator set, rated at 250kWe, is used on the Royal Navy's Duke Class (Type 23) frigate and Sandown Class single role mine hunter. Perkins engines rated at up to 600kW (800bhp) have also been supplied for propulsion of small patrol and auxiliary naval vessels.

Perkins 3008-powered emergency diesel generator set

Vosper Thornycroft chose Caterpillar 3406 ship service generator sets - rated at 250kWe - for the company's River Class offshore patrol vessels for the Royal Navy.

Caterpillar marine propulsion engines and generator sets are in service with more than 60 naval forces worldwide, including the US Navy. Our team at Caterpillar Defence Products works closely with the international Caterpillar dealer network to ensure that the full engine range, with power output from 50 to 7200kw (67-9655bhp) is available to shipbuilders - wherever they are operating.

Full approvals and classifications


The outstanding quality of Caterpillar and Perkins diesel engines is reflected in the large number of approvals and - where applicable - classifications from leading agencies across the world.

These include:

  • The US Department of Defence
  • The UK Ministry of Defence
  • The UK Department of Trade and Industry
  • The American Bureau of Shipping
  • Lloyds Register
  • The Canadian Bureau of Steamship Inspection
  • Det Norske Veritas
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