
MO4 Series
About the engine
The MO144M38 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 106 kW (144 HP) at 3800 rpm, with maximum torque of 288 Nm at 2500 rpm and a dry weight of 258 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
Sterndrives, waterjets and gearboxes matched to Steyr SE engines.
Next step
Tell us about your vessel, application and drive type. Our team will confirm fitment, availability and lead time.