Yanmar engine

Product catalog summary

Specifications:
The 4JH57 is a 4-stroke, vertical, water-cooled diesel engine with a maximum output of 41.9 kW at 3000 rpm. It has a displacement of 2.19 liters and features a direct injection combustion system with a common rail. The engine is naturally aspirated and starts electrically with a 12V system. It includes a 12V - 120A alternator and uses a fresh water cooling system.

Technical Data:
The engine has a bore and stroke of 88 mm x 90 mm and weighs 214 kg without gear. It complies with EU RCD BSO II EMC and US EPA Tier 3 environmental standards. The engine is mounted on rubber type flexible mounts.

Marine Gears/Drive:
Various models are available, including KM35P, ZF30M, Saildrive SD60, KM4A1, and KM35A2, each with different weights, reduction ratios, and propeller speeds. All models have a clockwise direction of rotation when viewed from the stern.

Performance Curves:
The document includes performance curves showing output power, torque, and fuel consumption at various engine speeds.

Optional Accessories:
Options include a second alternator, high-riser mixing elbow, extension wire harness, hot water kit, second station harness, C35-panel, and NMEA 2000 engine monitoring system.

Standard Package:
The standard package includes flexible engine mounts, an exhaust mixing elbow, a V-belt safety cover, a fresh water expansion tank, a 12V - 120A alternator, an operation manual, a B25-panel, and a seawater pump.

Catalog excerpts

MARINE DIESEL ENGINES Solutioneering Together Configuration Maximum output at crankshaft Displacement Bore x stroke Cylinders Combustion system Aspiration Starting system Alternator Cooling system Lubrication system Direction of rotation [crankshaft] Dry weight without gear Environmental Engine mounting 4-stroke, vertical, water-cooled diesel engine *41.9 kW@3000 rpm [57 mhp@3000 rpm] 4 in line Direct injection with common rail system Natural aspiration Electric starting 12V - 1.4 kW 12V - 120A Fresh water cooling by centrifugal water pump and rubber impeller sea water pump Enclosed, forced lubricating system Counterclockwise viewed from flywheel side 214 kg [471 lbs] US: EPA Tier 3 Rubber type flexible mounting NOTE: Fuel condition: Density at 15°C = 0.84 g/cm3: 1 kW = 1.3596 mhp = 1.3410 HP * Fuel temperature 40°C at the inlet of the fuel injection pump [ISO 8665: 2006] Technical data is according to ISO 8665: 2006

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MARINE DIESEL ENGINES YANMARSolutioneering TogetherPERFORMANCE CURVES Torque at Crankshaft Type Mechanical cone clutch Mechanical cone clutch Mechanical cone clutch Mechanical multi-disc Mechanical wet type multi-disc Direction of rotation Clockwise Clockwise Clockwise & counterclockwise Clockwise Clockwise & counterclockwise [propeller shaft - fwd] viewed from stern viewed from stern viewed from stern viewed from stern viewed from stern Dry weight - engine & gear 228 kg [503 lbs] 229 kg [505 lbs] 247 kg [545 lbs] 237 kg [522 lbs] 258 [569 lbs] Length engine and gear/drive 870 mm [34 in] 868...

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Yanmar engine

Yanmar engine

Catalog excerpts

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