While Malua is a sailing yacht there are times that you have to move forward using the engine. The reliable naturally aspirated Yanmar 4JH2E was fitted with a flexible coupling to a 1 ½ inch drive shaft with a PSS dripless stern gland.
Engine: Yanmar 4JH2E naturally aspirated diesel, 50 HP with fresh water cooling system, fastidiously maintained and serviced.
Driveshaft: 1 -1/2 inch stainless steel shaft (survey requirement) with PSS dripless and flex coupling.
Propeller: Was a Bruntons Autoprop feathering – sent to UK manufacturer for servicing – has been returned but not fitted Now using Porters 18 inch fixed blade propeller.
Water Filters: Custom raw water inlet filter with anode. Custom designed and built water muffler and exhaust system.
Engine room: Accessible behind hinged companionway steps and via starboard climb in door. Easy access to engine, diesel generator and both autopilots.
Fuel Filter: Dual Racor 500 filters: Switchable between fore and aft tanks and between either filter. Vacuum gauge to indicate filter clogging.
Engine shut-off: Engine and generator fuel shutoff from outside engine room - survey requirement.
Generator: 13HP Kubota diesel motor water cooled and separate exhaust system. A direct connected 150Amp DC Leese Neville alternator with smart regulator.
High output engine room blower venting in cockpit.
Yanmar engine, two Racor fuel filters 50 l hot water system