New Yanmar 4JH45E 53.8HP Inboard Diesel Engine

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 – New Yanmar 4JH45E 53.8HP Inboard Diesel Engine

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 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

New Yanmar 4JH45E 53.8HP Inboard Diesel Engine The Yanmar 4JH45E actually produces 45 mhp (33.1 kW) at 3,000 rpm, while the 53.8 hp figure is the specification for its predecessor or sibling models, such as the 4JH5E.

This 2.19-liter inline 4-cylinder inboard diesel engine is one of the most popular powertrains for sailboats and catamarans measuring 35 to 45 feet. This series is known for integrating electronic common-rail (CR) technology directly from the manufacturer.

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Delivery Service	Description	Please Note	Price
Standard	Within 3-4 working days (07:00 - 19:30hrs)	Weekdays Only (only applies to orders placed before 6pm)	$3.95
Express Delivery	Next Working Day (08:00 - 18:00hrs)	Weekdays Only, applies to orders placed before 4pm Mon-Thurs, before 3pm on Fri & before 2pm on Sat (no Sunday deliveries)	$5.95
Premium Delivery - DPD	Next Working Day (07:00 - 19:30hrs)	Weekdays Only, applies to orders placed before 4pm Monday-Thursday. (Orders placed after 4pm Thur - Sunday before 1pm, will be delivered Monday)	$6.95
Large Parcel Delivery	Within 3-5 working days (07:00 - 19:30hrs)	Weekdays Only (only applies to orders placed before 6pm)	$14.95
Premium Saturday Delivery	Saturday Delivery (07:00 - 19:30hrs)	Delivered Saturday with a 1 Hour delivery slot and Tracking. (only applies to orders placed on Friday before 2pm)	$7.95
Premium Sunday Delivery	Sunday Delivery (07:00 - 19:30hrs)	Delivered Sunday with a 1 Hour delivery slot and Tracking. (only applies to orders placed on Friday before 2pm)	$7.95