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Yuchai YC6TFN Marine Gas Main Engine

Yuchai YC6TFN Marine Gas Main Engine

Power:

450~660kw

Rating type:

Rated Power

Type:

Vertical, In-line, water-cooled, 4 stroke

Application:

Marine Gas Main Engine

Packing Size:

2113*1140*2002mm

Weight:

3400kg

HS Code:

840810

Technical Specification of Yuchai YC6TFN Marine Gas Main Engine

Engine Model

YC6TF610NL-C20~YC6TF900NL-C20

Fuel System

Yuchai

Power

450~660kw

Speed

1200~1500rpm

Rating Type

Rated Power

No of Cylinders

6

Bore

175

Fuel Consumption

≤195g/kwh

Stroke

220

Oil Consumption

≤0.5g/kwh

Displacement

31.75L

Emission

CCS/ EIAPP/ China Stage II

General Information of Yuchai YC6TFN Marine Gas Main Engine

Model Power / Speed (kW/r/min) Fuel System Cylinders-Bore*Stroke
(mm×mm)
Displacement(L) Emission Standard
Rated Power Overload Power
YC6TF900NL-C20 660/1500 726/1548 Yuchai 6-175*220 31.75 CCS/ EIAPP/ China Stage II
YC6TF850NL-C20 625/1500 687.5/1548 Yuchai 6-175*220 31.75 CCS/ EIAPP/ China Stage II
YC6TF800NL-C20 588/1500 646.8/1548 Yuchai 6-175*220 31.75 CCS/ EIAPP/ China Stage II
YC6TF750NL-C20 550/1500 605/1548 Yuchai 6-175*220 31.75 CCS/ EIAPP/ China Stage II
YC6TF610NL-C20 450/1200 495/1238 Yuchai 6-175*220 31.75 CCS/ EIAPP/ China Stage II

Designed for modern vessels requiring clean energy and stable propulsion, the Yuchai YC6TFN Marine Gas Main Engine uses advanced gas engine technology to meet growing demands for efficiency, low emissions, and reliable operation. By combining proven mechanical strength with precise gas control systems, it provides a dependable main propulsion solution for various marine applications.

High Performance and Stable Output

The YC6TFN Marine Gas Main Engine delivers strong and stable power across a wide operating range. Optimized combustion control ensures fast response, smooth acceleration, and sufficient torque for main propulsion duties. As a result, vessels maintain steady performance under different load conditions.

Clean Energy and Low Emissions

This engine uses natural gas as its primary fuel, which significantly reduces particulate emissions and exhaust smoke. In addition, advanced gas control and combustion technologies help lower NOx and CO emissions. Therefore, the engine supports compliance with strict marine emission regulations while improving environmental performance.

High Efficiency and Fuel Economy

Optimized combustion chamber design and precise fuel supply control allow more complete combustion. Consequently, fuel efficiency improves and operating costs decrease. Compared with conventional diesel engines, gas operation also helps reduce long-term fuel expenses.

Reliable and Durable Design

The engine adopts a robust structure with high-strength components to ensure long service life. Key parts undergo strict validation and durability testing. As a result, the engine maintains reliable operation during long running hours and demanding marine conditions.

Safe and Intelligent Control

An advanced electronic control system monitors engine status in real time. It supports fault diagnosis, alarm functions, and safety protection strategies. Therefore, the engine operates more safely and allows easier operation and maintenance.

The Yuchai YC6TFN Marine Gas Main Engine offers an ideal balance of clean energy, strong performance, and long-term reliability, making it a suitable main propulsion choice for vessels seeking efficient and environmentally friendly marine power.

Download of Yuchai YC6TFN Marine Gas Main Engine Datasheet

Model

Power

Datasheet

Drawing

Service Manual

YC6TF610NL-C20~YC6TF900NL-C20

450~660kw

Download

Download

Download

Model

YC6TF610NL-C20~YC6TF900NL-C20

Power

450~660kw

Emission

CCS/ EIAPP/ China Stage II

Datasheet

Download

Drawing

Download

Service Manual

Download

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