Model

CN170F

CN178F

CN186F

CN186FA

Bore * stroke mm(in)

70*55(2.76*2.17)

78*62(3.07*2.44)

86*70(3.39*2.76)

86*72(3.39*2.83)

Displacement ml(cu.in)

211(12.88)

296(18.06)

406(24.78)

418(25.5)

Engine speed (rpm)

3000/3600

3000/3600

3000/3600

3000/3600

Compression ratio

20:01

20:01

19:1

19:1

Rated output power

kw(hp)/rpm

2.5(3.4)/3000

3.7(5.03)/3000

5.7(7.75)/3000

5.9(8.02)/3000

2.8(3.8)/3600

4.0(5.44)/3600

6.3(8.57)/3600

6.5(8.85)/3600

Fuel

0#-10# light diesel oil

0#-10# light diesel oil

0#-10# light diesel oil

0#-10# light diesel oil

Fuel tank volume L(gal.)

2.5(0.55)

3.5(0.77)

5.5(1.21)

5.5(1.21)

Lubrication oil volume L(gal.)

0.8(0.18)

1.1(0.24)

1.65(0.36)

1.65(0.36)

Overall dimension

L*W*H) (mm(in)

332*348*416

383*421*450

417*470*494

417*470*494

(13.07*13.07*16.38)

(15.08*16.57*17.72)

(16.41*18.50*19.45)

(16.41*18.50*19.45)

Lube brand

SAE10W30(above CC grade)

SAE10W30(above CC grade)

SAE10W30(above CC grade)

SAE10W30(above CC grade)