Shire 90 Keel Cooled 90 HP Marine Diesel Engine with PRM280 Gearbox
The Shire 90 is a new four-cylinder keel cooled marine diesel producing 90 hp at 2500 RPM, supplied crated with a PRM280 gearbox as a complete package. Cylinder capacity is 4.5 liters, with fresh water cooling and electric start.
The package also brings heavy-duty rails with flexible mounts, a low-noise air silencer and filter, a fuel filter with a water drain tap, and a control panel that includes a tachometer, hour meter and alarm. The engine was built in 2023.
Highlights
90 hp at 2500 RPM, four cylinders
4.5-liter cylinder capacity
Keel cooled, fresh water cooling
PRM280 gearbox included
Control panel with tachometer, hour meter and alarm
Electric start
Specifications
Brand | Shire |
Model | Shire 90 |
Horsepower | 90 hp @ 2500 RPM |
Cylinders | 4 |
Cylinder Capacity | 4.5 L |
Cooling | Keel cooled (fresh water) |
Starting | Electric |
Gearbox | PRM280 |
Fuel | Diesel |
Year Built | 2023 |
Good to know
Installation, rigging and commissioning by a qualified marine technician are recommended; follow the manufacturer's pre-delivery and break-in procedures.

