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8HP Diesel Engine JD178F

JDL diesel engine factory supply 1-cylinder force air cooled engine from 3hp 5hp 8hp 10hp 14hp 15hp,  All our engine are use best NSK bearning and weifu fuel injector and fuel pump. Our diesel engine widely using for diesel generator, diesel water pump and construction. Our diesel engine have 3000rpm and 3600rpm and 1800rpm for customer choose. Our diesel engine have manual start and key start for choose.
  • JD178F
  • JDL
  • Air cooled diesel engine
  • 8hp
  • 3000/3600rpm
  • Force air cooled

JD178F Air Cooled DIESEL ENGINE Advantage

Low fuel consumption

With new tip-clearance fuel pump and bottom inertia injection technology, combine new type combustor and high burning rate, its fuel economy is much lower than gasoline engines.

Low noise

Well-designed gear transmission structure, make the vibration decreased and noise lowed, patented air cleaner, lower the noise of air inlet and outlet.

Safe and reliable

Excellent production process, strict QC system to make sure the products safe and reliable.




Engine Type

1 -Cylinder,4-Stroke, Air-cooled,Vertical

Combustion System

Direct injection

Broke*Stroke mm


Displacement L


Compression Ratio of diesel engine


Rated Speed rpm

3000 3600

Rated Power KW

3.7     4.0  

Rated Power hp

5.0    5.4

Starting System

F:Recoil start

E:Electric start

Fuel Tank Capacity L


Lube Oil Capacity  L


Fuel Consumption g/kwh

275 280

Fuel Type

0#(summer),-10#(winter) Diesel oil

Lube Type

SAE10W30(CD grade or above)

Overall Diemension (L*W*H)mm


Net Weight kg



Rotation Direction (View from Flywheel)


Why choose us ? 

1.High quality  diesel engine spare parts 

engine repair

2. Workshop 


4.Strictly Control the whole production process and guarantee and delivery, Test all of our diesel engine one by one before packing to ensure the quality


1. What’s your power range of  diesel engine 

   Jdl prodvides the range from 5hp - 22hp air cooled diesel engine 

2.Whats  your delivery time

   Usually jdl company can deliver the order in 15-30days after we get your deposit.

3.What’s your payment

   We can accept 30%TT deposit, 70% TT see BL copy. LC.  OA

4.What’s your warranty

  within 1year after goods is discharged in the destination. We will supply the consumables if it broken under        normal using. For example, fuel cock,fuel pump,recoil starter,etc

5.What’s your MOQ

   Our MOQ is 5sets.

6.What is the material of your products?


7.What certificate do you have for the diesel engine ?

   There are ISO 9001:2008, CE etc.

8.If I want to be your products distributor  in our country, what is your distribution policy?

  JDL power welcomes everybody join us and distribute products worldwide. We can issue authority                   certificates  and  sign agreement with you accordingly.

Diesel engine problem check and solve 

The diesel engine cannot start up

1. Check whether the diesel oil quantity is sufficient or whether the fuel tank switch is in the open state?

2. Is the throttle switch (handle) running status again?

3. Whether there is any air in the oil intake pipe

4. Whether the startup method is wrong (finger start

5. Whether the air filter element is blocked

6. Check the oil injection nozzle for poor atomization or blockage

7. Whether the oil pump is out of oil

8. We supply diesel engine repair services.   If  you need diesel engine diagram. please contact us. we can         send to you. we supply diesel engine parts services. if you need repair your diesel engine , please contact         us. we can send diesel engine parts to you by air. 

9. How does diesel engine work ? 

   When you start use new diesel engine, you need add engil oil and diesel fuel. then start  your diesel engine. 

   You can contact us when your diesel engine have problem. we will help you solve it in first time.  we supply       24hours severce.