The Yanmar 4JH4-HTE marine diesel engine is well-suited to power many types of boats. Because of its lightweight construction incorporating aluminium alloys and potent power delivered via turbocharging, many boaters have opted for the reliable 4JH4-HTE.
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General Engine Specifications
The water-cooled Yanmar 4JH4-HTE is a four-cylinder four-stroke diesel engine. It features direct injection, is turbocharged and has an electric start. This engine's dry weight is 217kg. Direction of rotation of the crankshaft is counter-clockwise.
Engine Internal Specifications
The Yanmar 4JH4-HTE has a displacement of 121.7 cubic inches and has a bore-and-stroke measurement of 3.31 by 3.54 inches. The maximum power output at the crankshaft is 110 horsepower at 3,200rpm. Continuous power output at the crankshaft is 99 horsepower at 3,101rpm. The lubrication system is an enclosed, forced system.
Engine Accessories Specifications
The 4JH4-HTE has an electric starting system rated at 12V-1.4kW. Yanmar utilises a 12V, 80-amp alternator with a 60-amp alternator as optional equipment. The cooling system utilises fresh water via a centrifugal water pump and rubber impeller seawater pump. Rubber flexible engine mounts are installed on this engine.
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