JH Series 28.7–92kW (39–125HP) Three and four-cylinder direct injection diesels with heat exchanger cooling. Choices of natural aspiration, turbocharged and turbo/aftercooler models, with straight drive or angle drive transmissions. Smaller horsepower models are also offered with Saildrive units. JH Series 3JH4 (39HP/28.7kW) The Yanmar's 3JH4 is an all-new naturally aspirated engine for sailboats and motor craft - quieter, cleaner and producing more torque - with the largest displacement and smallest dimensions in its class. It's fullfy compliant with EPA Tier 2 emissions regulations and with BSO/SAV Stage 2 requirements.

Specifications

• Rated Output : 39.6 kW / 53.8 mhp
• Rated Speed : 3000 rpm
• Displacement : 2.19 L / 134 cu. in
• No. of cylinders : 4 cylinders
• Cylinder Bore x Stroke : 88 mm x 90 mm / 3.46 in x 3.54 in
• Combustion system : Direct Injection, Mono Plunger Pump
• Aspiration : Natural
• Alternator : 12V - 125A
• Dry weight without gear : 201 kg / 443 lbs
• Dimensions : 871 mm x 560 mm x 623 mm
• Controls : Mechanical
• Certifications : RCD 1 EPA Tier 2 BSO II EMC

NOTE:

1 kW = 1.3596 mhp = 1.34102 bhp
Fuel condition: density at 15°C = 0.842 g/cm³
Technical data is according to (ISO 8665) / (ISO 3046)
Fuel temperature 40°C at the inlet of the fuel injection pump (ISO 8665)
Length includes KM35A marine gear
(Dimensions may vary with other gears/elbow)

Standard Engine Package

• Exhaust mixing elbow [L-type]
• Alternator 12V – 125A
• B20 panel
• Flexible mounts
• Expansion tank for fresh water cooling system
• Electric stop solenoidBelt safety cover

Optional Accessories

• High-riser mixing elbow [instead of L-elbow]
• Secondary alternator 12V – 130A or 24V – 75A including smart regulator
• C30 panel
• Extension wire harness [4m, 6m, 10m]
• Dual harness [for 2nd station]
• TFX Sidemount control head
• Hot water kit with cocks
• Extension saildrive leg [75 mm]
• Propeller cone nut kit SD60
• Air heater [glow]
• On-board spare parts kit