YANMAR engines have become the global standard in sailboat and small craft propulsion. Bringing common rail technology to smaller applications, YANMAR exclusively provides the benefits of fuel efficiency, added power, and cleaner operation. With 4 power ratings across one design, the 4JH-CR engine is the perfect solution to fit across a wide variety of boats sizes and applications. And with a similar footprint to previous models and competition alike, it is the ideal choice for repowers.

Specifications

Rated Output
28.7 kW / 39 mhp

Rated Speed
3000 rpm

Displacement
1.642 L / 100 cu. in

No. of cylinders
3 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
173 kg / 381 lbs

Dimensions
776 mm x 560 mm x 623 mm

Controls
Mechanical

Certifications
RCD 2 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 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
On-board spare parts kit