Yanmar 4JH5E Inboard Diesel Engine

4 Cylinder, 2.19-liter diesel engine, Naturally Aspirated, Gears - KM35P / KM35A2 / KM4A1 / ZF25 ZF30M, Sail Drive - SD60

Product Information

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 4JH4 (54HP/39.6kW) Wisper quiet, smooth running at all speeds and with extremely low vibrations, it produces 25% more torque from just 10% additional displacement compared to the model it replaces but precisely the same size. Dedicated to boating and with the smallest dimension in it's class, the 4JH4 matched several transmission options, including the heavy duty SD40 saildrive with it's patented dual-seal diaphragm and audible water sensor.

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

Standard Engine Package

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