CSI Ningdong DN340 Series Marine Diesel Engine (2574kW – 4500kW) / (3500Ps – 6120Ps)

Standard and Optional Parts

Cooler: shell-and-tube heat exchanger (standard), plate heat exchanger (optional)

Turning gear: manual (standard), motor-driven (optional)

Governor: hydraulic governor (standard), E-H governor, electronic governor (optional)

Silencer: optional

Exhaust expansion joint: optional

Parameters Table

Item Unit Data
Type Four-stroke, water-cooled, in-line, turbocharged and intercooled, direct injection
Bore×Stroke mm 340×450
Number of Cylinders  8
Displacement L 326.85
Compression Ratio 13.5 : 1
Speed rpm 520 -650
SFOC g/kW·h ≤182+3% (at 100% MCR)

≤180+3% (at 85% MCR)

SLOC g/kW·h ≤0.6+20%
Starting Mode Compressed-air motor
Direction of Rotation Starboard engine: clockwise(aft. end)

Port engine: anticlockwise(aft. end)

Minimum Height for Lifting Piston mm 2400 (above crankshaft centerline)
Outline Dimensions

Length×Width ×Height

mm 6810×1940×3835
Net Weight Kg 48000

Model Portfolio Table

Series Model MCR


Speed rpm MEP Mpa NOX Emission Standard (with SCR system)
Starboard Port









DN8340ZC DN8340ZC 4500/6120 650 2.54 IMO Tier III
DN8340ZC2 DN8340ZC 4410/5998 650 2.49 IMO Tier III
DN8340ZC4 DN8340ZC 4045/5501 620 2.40 IMO Tier III
DN8340ZC6 DN8340ZC 3676/5000 600 2.25 IMO Tier III
DN8340ZC8 DN8340ZC 3310/4501 600 2.03 IMO Tier III
DN8340ZC10 DN8340ZC 2940/3998 600 1.80 IMO Tier III
DN8340ZC12 DN8340ZC 2574/3500 520 1.82 IMO Tier III
DN8340ZC16 DN8340ZC 3310/4502 520 2.34 IMO Tier III
DN8340ZC18 DN8340ZC 4500/6120 650 2.54 IMO Tier III

Remark: Product parameters and model portfolio are for reference only. Please contact the relevant personnel for official information on delivery time. The delivery scope for each model engine shall be performed as per the corresponding technical files.


CSI Ningdong DN340 Series Marine Diesel Engine (2574kW - 4500kW) 1