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Zichai Marine LB6250ZLC-9 Engine

Zichai LB6250ZLC-9 is a high-performance 6-cylinder marine diesel engine, featuring a continuous speed of 750 rpm, a cylinder bore of 250 mm and a piston stroke of 320 mm, with a continuous power of 1103 kW to deliver strong and stable power output. Its robust structure and sophisticated design are rigorously tested under harsh marine conditions, ensuring reliable and durable operation and effectively improving equipment uptime, which can meet the demanding needs of various marine vessels.

This engine also integrates high efficiency, energy saving and environmental protection. Equipped with advanced four-stroke direct injection, turbocharging and intercooling technologies, it optimizes fuel economy, reducing operating costs and enhancing profitability for users. Meanwhile, it fully complies with the latest domestic and international emission regulations, minimizing harmful emissions and promoting sustainable shipping. With comprehensive advantages, it is an ideal choice for high-performance marine power.

Advantages of Marine Engine LB6250ZLC-9

  • Reliable & Durable: Sturdy structure and reliable operation ensure stable performance and long service life.

  • Highly Efficient: Advanced technology optimizes energy efficiency and lowers operating costs effectively.

  • Eco-friendly: Fully compliant with international emission regulations for green and sustainable operation.

  • Stable Output: Professional design guarantees consistent power performance and high uptime.

Technical Specifications

Engine Model: LB6250ZLC-9
Type: In-line, four-stroke, direct-injection, turbocharged, intercooled, irreversible
Cylinders: 6
Cylinder Bore / Piston Stroke: 250 mm / 320 mm
Total Displacement: 94.25 L
Rated Speed: 750 rpm
Rated Power: 1103 kW
One hour power: 1213 kW
Minimum stable speed: 300 rpm
Dimensions (L×W×H): 4143×1500×2567 (Reference only)
Weight: 13500 kg

 

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Engine Model

Rated Power

Rated Speed

One hour power

LB6250ZLC 662 kW 600 rpm 729 kW
LB6250ZLC-1 692 kW 600 rpm 762 kW
LB6250ZLC-2 588 kW 600 rpm 647 kW
LB6250ZLC-3 750 kW 650 rpm 825 kW
LB6250ZLC-4 882 kW 750 rpm 971 kW
LB6250ZLC-5 662 kW 750 rpm 729 kW
LB6250ZLC-6 1000 kW 750 rpm 1100 kW
LB6250ZLC-7 720 kW 650 rpm 792 kW
LB6250ZLC-8 662 kW 650 rpm 728 kW
LB6250ZLC-9 1103 kW 750 rpm 1213 kW
LB6250ZLC-10 750 kW 750 rpm 825 kW
LB6250ZLC-11 1103 kW 825 rpm 1213 kW
LB6250ZLC-12 735 kW 750 rpm 808 kW
LB6250ZLC-13 610 kW 500 rpm 671 kW
LB6250ZLC-23 1213 kW 750 rpm 1334 kW
LB6250ZLC-26 1324 kW 825 rpm 1456 kW
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General Information of ZICHAI LB6250ZLC-9 Marine Engine
Model LB6250ZLC-9 Type In-line, four-stroke, direct-injection, turbocharged, intercooled, irreversible
Cylinders 6 Cylinder Bore 250 mm
Piston Stroke 320 mm Total Displacement 94.25 L
Compression ratio 12.5 Rated Speed 750 rpm
Rated Power 1103 kW One hour power 1213 kW
Minimum stable speed 300 rpm Mean Piston Speed 8.0 m/s
Mean Effective Pressure 1.872 MPa Supercharging pressure 0.28±0.01
Maximum explosion pressure ≤13.0 Exhaust temperature per cylinder ≤470℃
Exhaust temperature before turbocharger <600℃ Fuel Oil Consumption 190 g/(kW·h)
Lub. Oil Consumption ≤0.8 g/(kW·h) Rotation Viewed from the flywheel end: turn right is clockwise; turn left is counterclockwise
Firing order Clockwise:1-3-5-6-4-2, Counterclockwise: 1-2-4-6-5-3 Starting Method Compressed air starting motor
Starting air pressure Air bottle pressure: 3.0 MPa; Pressure after reducing valve: 0.8 MPa Dimensions (L×W×H) 4143×1500×2567 mm (Reference only)
Height of lifting piston 2010 mm Weight 13500 kg
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ZICHAI LB6250ZLC Series Marine Engine Dimensions

ZICHAI Marine LB6250ZLC Engine DATASHEET

Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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Sale Manual

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Installation Drawing

The picture of Installation Manual showing the accessories and scopes of supply.

Installation Manual

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Operation Manual

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Parts Catalogue

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Report & Certifcate

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