Shire 40 Keel Cooled 40 HP Marine Diesel Engine with PRM150 Gearbox
The Shire 40 is a new four-cylinder keel cooled marine diesel rated 40 hp at 2500 RPM, supplied crated as a package with a PRM150 gearbox. It has a 2.2-liter cylinder capacity, fresh water cooling and electric start.
Alongside the gearbox, the package includes heavy-duty rails with flexible mounts, a low-noise air silencer and filter, a fuel filter with water drain tap, and a control panel with tachometer, hour meter and alarm. The engine was built in 2023.
Highlights
40 hp at 2500 RPM, four cylinders
2.2-liter cylinder capacity
Keel cooled, fresh water cooling
PRM150 gearbox included
Fuel filter with water drain tap
Electric start
Specifications
Brand | Shire |
Model | Shire 40 |
Horsepower | 40 hp @ 2500 RPM |
Cylinders | 4 |
Cylinder Capacity | 2.2 L |
Cooling | Keel cooled (fresh water) |
Starting | Electric |
Gearbox | PRM150 |
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.

