MO4 Series
MO174V40
SOLAS
About the engine
About the MO174V40
The MO174V40 is a 4-cylinder, 2.1-litre (85 mm bore x 94 mm stroke) turbocharged direct-injection diesel marine engine from Steyr Motors’ MO 4-cylinder series. It is rated at 125 kW (170 HP) at 4000 rpm, with maximum torque of 330 Nm at 2000 rpm and a dry weight of 276 kg. Built on Steyr Motors’ Monoblock design with patented two-stage unit injectors, dual-circuit cooling with corrosion-resistant materials, and a 12 V electrical system (24 V optional). Suited to transmission (shaft drive) and waterjet installations.
Complete your installation
Matched propulsion systems
Sterndrives, waterjets and gearboxes matched to Steyr SE engines.
Next step
Need help specifying the MO174V40?
Tell us about your vessel, application and drive type. Our team will confirm fitment, availability and lead time.
Official Steyr distributor
Ships from Kauai, Hawaii