Twin Yanmar D40 Diesel Outboard Engine 25" 320 Hours Used
The Yanmar D40 is a 40-horsepower, 3-cylinder 4-stroke marine diesel outboard engine featuring a 1,019 cc displacement, seawater cooling, and a dog-type clutch. It is valued for commercial and heavy-duty marine use due to its diesel efficiency and durable torque delivery. The YANMAR D40 40HP Diesel Outboard Motor is engineered for both commercial and recreational marine applications, combining high-performance diesel power with outstanding fuel efficiency.
$3,228.00
Twin Yanmar D40 Diesel Outboard Engine 25" 320 Hours Used
The YANMAR D40 40HP Diesel Outboard Motor is engineered for both commercial and recreational marine applications, combining high-performance diesel power with outstanding fuel efficiency. Delivering 40 horsepower at 4500 RPM, this marine-grade diesel outboard engine is built to handle long operational hours, harsh environments, and demanding usage—making it ideal for fishing boats, workboats, and offshore vessels.
At Marine Inboard Specialists, we supply genuine YANMAR diesel outboard motors for sale with full manufacturer warranties, global shipping, and expert installation support. Whether you’re looking for a fuel-saving upgrade or a dependable marine power source, the YANMAR D40 offers unmatched reliability and value.
Why Choose the YANMAR D40 Diesel Outboard Motor?
This 40HP diesel outboard motor is a robust and fuel-efficient alternative to gasoline outboards. Designed for long-lasting durability and clean operation, the YANMAR D40 features direct fuel injection, seawater cooling, and a remote-controlled interface for precise speed and clutch control.
Specificaitons :
Configuration
4-cycle, vertical, water cooled diesel engine
Number of cylinders
3
Bore and stroke mm (in.)
82 x 70 (3.23 x 2.76)
Displacement cc (cu. in.)
1019 (68)
Maximum output hp(kW)/rpm at crankshaft
40hp/4500rpm (29.41kW/4500rpm)
Combustion system
Direct injection
Starting system
Electric with emergency rope start
Cooling system
Direct seawater cooling by rubber impeller pump
Lubrication system
Forced lubrication with trochoid pump
Generator
AC dynamo built in flywheel
Drive device
Clutch type
Dog type clutch
Reduction ratio Ahead/Astern
1.846/1.846
Direction of rotation
Clockwise viewed from propeller
Lubrication system
Oil bath
Tilt up system
AX-E manual AX-EP hydraulic
Control device
Engine speed control
Remote control
Clutch control
Remote control
Steering
Remote control
Transom installation
Through bolts with nuts
Fuel oil
Diesel fuel with kerosene (Add lube oil, 30:1)
Fuel oil capacity
l(cu.in) 24 (1465)
Lube oil Engine
SAE 15W40, API CD/
Drive
SAE 80W90, API Gear oil #90
Dry weight
L-type 116kgs
(256lbs) 120kgs (265lbs)
LL-type 117kgs
(258lbs) 121kgs (267lbs)
UL-type 118kgs
(260lbs) 122kgs (269lbs)
INCLUDED :
Genuine YANMAR D40 outboard motor
Built-in seawater cooling and forced lubrication systems
Remote control unit for throttle and clutch
AX-EP Hydraulic Tilt-Up System (optional)
AC Dynamo generator
3-blade standard propeller
24L diesel fuel tank
Installation and maintenance manual
Also you can check product : Yanmar 3JH25A 25HP Inboard Diesel Engine NEW
The YANMAR D40 40HP Diesel Outboard Motor is engineered for both commercial and recreational marine applications, combining high-performance diesel power with outstanding fuel efficiency. Delivering 40 horsepower at 4500 RPM, this marine-grade diesel outboard engine is built to handle long operational hours, harsh environments, and demanding usage—making it ideal for fishing boats, workboats, and offshore vessels.
At Marine Inboard Specialists, we supply genuine YANMAR diesel outboard motors for sale with full manufacturer warranties, global shipping, and expert installation support. Whether you’re looking for a fuel-saving upgrade or a dependable marine power source, the YANMAR D40 offers unmatched reliability and value.
Why Choose the YANMAR D40 Diesel Outboard Motor?
This 40HP diesel outboard motor is a robust and fuel-efficient alternative to gasoline outboards. Designed for long-lasting durability and clean operation, the YANMAR D40 features direct fuel injection, seawater cooling, and a remote-controlled interface for precise speed and clutch control.
Specificaitons :
Configuration
4-cycle, vertical, water cooled diesel engine
Number of cylinders
3
Bore and stroke mm (in.)
82 x 70 (3.23 x 2.76)
Displacement cc (cu. in.)
1019 (68)
Maximum output hp(kW)/rpm at crankshaft
40hp/4500rpm (29.41kW/4500rpm)
Combustion system
Direct injection
Starting system
Electric with emergency rope start
Cooling system
Direct seawater cooling by rubber impeller pump
Lubrication system
Forced lubrication with trochoid pump
Generator
AC dynamo built in flywheel
Drive device
Clutch type
Dog type clutch
Reduction ratio Ahead/Astern
1.846/1.846
Direction of rotation
Clockwise viewed from propeller
Lubrication system
Oil bath
Tilt up system
AX-E manual AX-EP hydraulic
Control device
Engine speed control
Remote control
Clutch control
Remote control
Steering
Remote control
Transom installation
Through bolts with nuts
Fuel oil
Diesel fuel with kerosene (Add lube oil, 30:1)
Fuel oil capacity
l(cu.in) 24 (1465)
Lube oil Engine
SAE 15W40, API CD/
Drive
SAE 80W90, API Gear oil #90
Dry weight
L-type 116kgs
(256lbs) 120kgs (265lbs)
LL-type 117kgs
(258lbs) 121kgs (267lbs)
UL-type 118kgs
(260lbs) 122kgs (269lbs)
INCLUDED :
Genuine YANMAR D40 outboard motor
Built-in seawater cooling and forced lubrication systems
Remote control unit for throttle and clutch
AX-EP Hydraulic Tilt-Up System (optional)
AC Dynamo generator
3-blade standard propeller
24L diesel fuel tank
Installation and maintenance manual
Also you can check product : Yanmar 3JH25A 25HP Inboard Diesel Engine NEW
- Availability: 4 In Stock
- Model: D40
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