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Yanmar 3JH5E

The JH series are four-stroke direct injection diesel engines equipped with liquid coolant systems. The 3JH5E is 3-cylinder and naturally aspirated. The engines are equipped with a marine gear or sail drive unit. These engines are designed for pleasure craft use.

Compact and powerful, clean and quiet, these are mid-range three and four-cylinder diesels based on a completely redesigned engine block and new combustion system. The new 3JH5E and 4JH5E are fully compliant with EPA Tier 3 emissions regulations, so you can enjoy more displacement, power and torque, with low vibration, low noise and low emissions. Maintenance is easy and straightforward. In any case, you have the comfort of knowing that Yanmar Marine provides high quality service and advice facilities around the globe.

  • Highly efficient performance
  • Whisper quiet running
  • Powerful electrical system
  • Simple to maintain

Standard Package

  • Digital B-panel with keyswitch
  • 4 M wiring harness
  • Operation manual
  • Set of flexible engine mounts
  • Exhaust mixing elbow (L-type)
  • V-belt safety cover
  • Fresh water expansion tank
  • Alternator 12 V - 80 A
  • Electric stop solenoid


  • Digital B panel keyless
  • Digital C panel with key switch or key less
  • Second Alternator 12V80A, 12V130A or 24V75A
  • High riser mixing Elbow
  • 6M, 10M Extension Wire harness
  • Hot water kit, with or without cocks
  • Second station harness

Engine Type: 4-stroke, vertical, water cooled diesel
Displacement: 1,642 L (100 cu in)
Bore x Stroke: 88 mm x 90 mm (3.46 in x 3.54 in)
Prop Shaft Horsepower: 28.7 kW (38,5 mhp) / 3000 rpm
Cylinder Heads: 3 in line
Fuel/Induction System: Direct injection
Fuel: Diesel
Starting System: Electric starting 12 V - 1.4 kW
Lubrication: Enclosed, forced lubricating
Weight: 173 kg (381 lbs)

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