220 to 600 kW Marine Dual Fuel Engine

Megawatt is the leading manufacturer of 220 to 600 kW Marine Dual Fuel Engine in China. With over many years of experience, we have established ourselves as the top choice in the industry. Our Marine Dual Fuel Engines are renowned for their competitive prices, unrivaled quality, innovative manufacturing techniques, and premium equipment. Embraced by customers worldwide, our products have received accolades both domestically and internationally. We are excited to build a long-lasting partnership with you.

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Product Description

Standard and Optional Parts

Cooler: shell-and-tube heat exchanger (standard)
Governor: hydraulic governor (standard), E-H governor, electronic governor (optional)
Silencer: optional
Exhaust expansion joint: standard

220 to 600 kW Marine Dual Fuel Engine Parameters Table

Item	Unit	Data
Type		Four-stroke, water-cooled, in-line, turbocharged and intercooled, direct injection, non-reversible
Bore×Stroke	mm	170×200
Number of Cylinders		6 / 8
Displacement	L	27.22 / 36.29
Compression Ratio		14.5 : 1
Speed	rpm	1000 - 1500
SFOC	g/kW·h	194+3% (during fuel mode)
SFGC	KJ/kW·h	≤9000 (at rated power)
SLOC	g/kW·h	≤0.7+20%
Gas Supply Pressure	bar	4 - 6
Substitution Rate		70 - 85% (at 50% - 100% rated power)
Starting Mode		Compressed-air motor or electric motor
Direction of Rotation		Starboard engine: clockwise（aft. end） Port engine: anticlockwise（aft. end）
Minimum Height for Lifting Piston	mm	1260 (above crankshaft centerline)
Outline Dimensions Length×Width ×Height	mm	6 cylinders: 2730×1320×1670 8 cylinders: 3180×1360×1680
Net Weight	Kg	3200 / 3800

Model Portfolio Table

Series	Model		MCR kW/Ps	Speed rpm	MEP Mpa	Mean Piston Speed m/s	NOX Emission Standard
Series	Starboard	Port	MCR kW/Ps	Speed rpm	MEP Mpa	Mean Piston Speed m/s	NOX Emission Standard
DF6170	DF6170ZLC1	DF6170ZLCZ1	220/300	1000	0.97	6.67	IMO Tier II
	DF6170ZLC2	DF6170ZLCZ2	250/340	1000	1.10	6.67	IMO Tier II
	DF6170ZLC8	DF6170ZLCZ8	350/476	1200	1.29	8.0	IMO Tier II
	DF6170ZLC9	DF6170ZLCZ19	385/524	1200	1.41	8.0	IMO Tier II
	DF6170ZLC10	DF6170ZLCZ10	350/476	1350	1.56	9.0	IMO Tier II
	DF6170ZLC12	DF6170ZLCZ12	430/585	1350	1.40	9.0	IMO Tier II
	DF6170ZLC14	DF6170ZLCZ14	450/612	1500	1.32	10.0	IMO Tier II
DF8170	DF8170ZLC1	DF8170ZLCZ1	441/600	1000	1.46	6.67	IMO Tier II
	DF8170ZLC2	DF8170ZLCZ2	480/653	1200	1.32	8.0	IMO Tier II
	DF8170ZLC4	DF8170ZLCZ4	600/816	1500	1.32	10.0	IMO Tier II
	DF8170ZLC6	DF8170ZLCZ6	529/720	1200	1.46	8.0	IMO Tier II
	DF8170ZLC8	DF8170ZLCZ8	575/782	1350	1.41	9.0	IMO Tier II
	DF8170ZLC9	DF8170ZLCZ9	300/408	1000	0.992	6.67	IMO Tier II
	DF8170ZLC10	DF8170ZLCZ10	350/476	1000	1.157	6.67	IMO Tier II

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.

Outline