HND MAN 7L Marine Main Engine

The 7L diesel engine is a high-performance power core specifically designed for heavy equipment such as ships. It boasts a rated power of up to 1505 kW, a stable rated speed of 1000 r/min, and cylinder bore and stroke specifications of 210 mm/310 mm. Its powerful output and smooth operation fully meet the power requirements of various navigation conditions.

This product combines strong power, excellent fuel economy, and a long service life. It not only offers superior acceleration performance but also significantly reduces operating costs. Simultaneously, it meets Tier II/Tier III emission standards. Its superior structural reliability and comprehensive compliance with international environmental standards ensure efficient, economical, and compliant operation of ships under various navigation conditions.

Advantages of Marine Main Engine MAN 7L

  • Powerful performance and excellent acceleration.

  • Outstanding fuel efficiency significantly reduces operating costs.

  • Extended service life reduces future maintenance costs.

  • Excellent structural reliability adaptable to various navigation conditions.

  • Fully compliant with international environmental standards, meeting compliance requirements.

Technical Specifications

Engine Model :7L
Rated Power :1505 kW
Speed :1000 r/min
Emission :TierⅡ/TierⅢ

 

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Engine Model

Rated Power

Speed

Emission

6L1290 kW1000 r/minTierⅡ/TierⅢ
7L1505 kW1000 r/minTierⅡ/TierⅢ
8L1720 kW1000 r/minTierⅡ/TierⅢ
9L1935 kW1000 r/minTierⅡ/TierⅢ
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7L Marine Main Engine Type

Model
Parameters

7L
Rated Power1505 kW
Speed1000 r/min
EmissionTier Ⅱ/Tier Ⅲ
Technical Parameter of 21/31 Series Marine Main Engine
Bore/Stroke210/310 mm
Cylinder ArrangementInline
Cylinder Numbers6、7、8、9
Unit Cylinder Displacement10.7 L
Compression Ratio16.5 : 1
Rated Unit Cylinder Power215 r/min
Maximum Explosion Pressure21 MPa
Rotation DirectionClockwise/Counterclockwise
Fuel Quality HFO (not exceeding 700 cSt/50°C, RMK700)
MDO (DMB) – MGO(DMA, DMZ)
Fuel Consumption (+5%)192 g/kw·h
Lube Oil Consumption (MCR)0.4~0.8 g/kW·h

21/31 Series Marine Main Engine Dimension and Weight


Diesel Engine ModelWeight (kg)Dimension (mm)
LWH
6L16418518803113
7L17.5454018803267
8L19489518803267
9L20.5525018803267
The data in the table is for reference only, and the final approved drawing shall prevail.
Power Code Definition
IISO rating. Standard ambient condition: Air temp. 25℃, Charging air coolant 25℃, Air pressure 0.1 MPa, Relative humidity 30%
MISO unlimited navigation marine main engine or auxiliary engine output power.
Standard ambient condition: Air temp. 45℃, Charging air coolant 32℃, Air pressure 0.1 MPa, Relative humidity 60%
CContinuous power
FFuel limited power, time limited
XOverload 10%
NNet effective power
2h/12hOperation 2 hours each 12 hours
1h/12hOperation 1 hour each 12 hours
1h/6hOperation 1 hour each 6 hours
0.5h/6hOperation 0.5 hour each 6 hours
1000h/yOperation 1000 hours within one year
For example: MCFN: Marine unlimited navigation fuel limited power, can operate continuously, without overload capability.

Power code defined according to DIN ISO 3046-7/04.91.

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.

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

Sale Manual

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

Installation Drawing

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

Installation Manual

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

Operation Manual

The picture of Engine Parts Catalogue showing the accessories and scopes of supply.

Parts Catalogue

The picture of Test Report and Certifcate showing the accessories and scopes of supply.

Report & Certifcate

Tags: 7L | Main Engine

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