32/40
Four-stroke diesel engine
MAN Diesel & Turbo
The responsible way in leading technology
MAN Diesel & Turbo is the world’s leading designer and manufacturer of low and medium speed engines – engines from MAN Diesel & Turbo cover an estimated 50% of the power needed for all world trade. We develop two-stroke and four- stroke engines, auxiliary engines, turbochargers and propulsion packages that are manufactured both within the MAN Diesel & Turbo Group and at our licencees.
More than ever before, MAN Diesel & Turbo’s development focus is the environ- mental performance of our engines. Using our unrivalled grasp of large engine technology, we aim to make our engines progressively cleaner, more powerful and more efficient.
Our absolute commitment to reducing emissions while increasing fuel efficiency and power density starts with our active partnership in the emissions law making process and ends with the delivery of engines that achieve an ideal synthesis of prime mover characteristics.
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2 32/40 – Four-stroke diesel engine 32/40 – Four-stroke diesel engine
Core technologies in-house
As well as its expertise in engine design, develop- ment and manufacture MAN Diesel & Turbo is also a leading manufacturer of the key technologies which determine the economic and ecological performance of a diesel engine:
High-efficiency exhaust gas turbochargers
Advanced electronic fuel injection equipment
Electronic hardware and software for engine control, monitoring and diagnosis
Our impressive array of computer-aided design tools and one of the engine industry’s largest, best- equipped foundries allow us decisively to shorten product development, and application engineering processes.
Our mastery of these engine technologies – and, the best brains in the large engine industry – are the firm foundation for
Low emissions
Low operating costs
Low life cycle costs
Long service life
The range of technical measures employed comprises:
Revised injection timing
Higher compression ratios
Variable Injection Timing (VIT)
Committed to the future
Technologies which promise compliance with the IMO Tier III emission limits valid from 2016 com- bined with further optimised fuel consumption and new levels of power and flexibility are already under development at MAN Diesel & Turbo.
With this level of commitment MAN Diesel & Turbo customers can plan with confidence.
RI – Retarded Injection
Retarded injection timing delays combustion heat re- lease and thus lowers combustion chamber temperature peaks.
New Piston for Increased Compression Ratio The use of a new piston provides a higher compression ratio and gives a faster reduction in temperature after the ignition of the fuel, thus reducing NOx formation.
The increase in compression ratio also compensates the reduction in firing temperature due to retarded injection and hence the associated increase in SFOC.
Efficient, Clean and Compact NO
XReduction measures 32/40
A notable reduction in NOx, CO2 and soot emissions is a strategical factor for success of modern diesel engines. The 32/40 combined all relevant features to significantly reduce harmful emissions.
4 32/40 – Four-stroke diesel engine
Engine Specifications
Modern and innovative technology
Marine main engines
Engine output is limited to 100% of rated output for engines driving a propeller. Engine output is limited to 110% of rated output for engines driving a generator.
Overload above 100% permitted briefly to prevent a frequency drop during sudden load application.
Fuels
The 32/40 engine can be operated on heavy fuel oil with a viscosity up to 700 mm²/s (cSt) at 50 °C. It is designed for fuel qualities up to the levels specified in CIMAC 2003 H/K700/DIN ISO 8217.
Stepped piston
Forged dimensionally stable steel crown (with shaker cooling) made from high grade materials and skirt in spheroidal graphite cast iron (skirt also available in steel upon request). The stepped piston and the fire ring to gether prevent “bore polishing” of the cylinder liner, thereby reducing operating costs by keeping lubrica- ting oil consump tion consistently low. Chromium ceramic coating of the first piston ring with wear resistant cera- mic particles in the ring surface results in minimal wear and tear, ensuring extremely long periods between maintenance.
MAN Diesel & Turbo turbocharging system
Industry leading designed constant pres sure turbochar- ging system using state-of-the-art MAN Diesel & Turbo turbochargers with long bearing overhaul intervals.
High efficiency at full and part loads results in substan- tial air surplus and complete combustion without resi- dues and with low thermal stresses on the combustion chamber components.
Cylinder head
The cylinder head has optimised com bustion chamber geometry for improved injection spray atomisation. This ensures balanced air-fuel mixture, reducing com bustion residue, soot forma tion and improving fuel economy.
Valves
Exhaust valves are designed with armoured, water cooled seats that keep valve temperatures down. Pro- pellers on the exhaust valve shaft provide rotation by exhaust gas, resulting in the cleaning effect of the valve seat area during valve closing.
Service friendly design
Hydraulic tooling for tightening and loosening cylinder head nuts; clamps with quick release fasteners and/or clamp and plug connectors; generously sized access covers.
Cylinder liner
The precision machined cylinder liner and seperate coo- ling water collar rest on top of the engine frame and is there isolated from any external deformation, ensur- ing optimum piston performance and long service life.
SaCoSone
All medium-speed marine engines from MAN Diesel
& Turbo are equipped with the SaCoSone safety and control system. This system undergoes a workshop test at the factory together with the engine, ensuring effortless fine tuning and functional testing during ship commissioning.
Engine data for 32/40
General
Engine cycle: Four-stroke
Turbocharging system: Constant pressure Number of cylinders, In-line engine: 6, 7, 8, 9 Number of cylinders, V-engine: 12, 14, 16, 18 Bore: 320 mm
Stroke: 400 mm
Swept volume per cyl: 32.2 dm3
Power-to-weight ratio (MCR) In-line engine: 11.3 – 12.7 kg/kW V-engine: 9.4 – 10.2 kg/kW
Cylinder output (MCR) at 750/720*) rpm: 500 kW
MCR = maximum continuous rating
*) For generator drive only
Cooling
Cylinder cooling: Fresh water
Charge-air cooler (two-stage): Fresh water
Fuel injector cooling: Fresh water, only when running on HFO Starting method: Compressed air
ISO reference conditions:
Air temperature: 298 K (25 °C) Air pressure: 1 bar
Fresh water temperature upstream of charge-air cooler: 298 K (25 °C)
Relative humidity: 30%
For maritime engines, no power reduction required below:
Air temperature: 318 K (45 °C) Air pressure: 1 bar
Fresh water temperature upstream of charge-air cooler: 311 K (38 °C)
IMO requirements:
The engine detailed herein will comly with the emission limits refered to as IMO Tier II.
General performance definition for diesel engines as per ISO 3046/1-2002
The “Work Horse” 32/40 is in service 24 hours a day. With a power output range of 3,000 to 9,000 kW, it is ideal for small and medium sized applications. The interacting of all important parts results to low wear rates and long maintenance intervals.
6 32/40 – Four-stroke diesel engine
Technical Data 32/40
L32/40 V32/40
V-engine V32/40
Engine type No. of cyl. L L1 W H Wt.
mm mm mm mm t
12V32/40 12 6,915 5,890 3,140 4,100 61
14V32/40 14 7,545 6,520 3,140 4,100 68
16V32/40 16 8,365 7,150 3,730 4,420 77
18V32/40 18 8,995 7,780 3,730 4,420 85
All weights and dimensions are for guidance only and apply to dry engines without flywheel. Minimum centreline distance for twin engine installation: 4,000 mm More information available upon request.
In-line engine L32/40
Engine type No. of cyl. L L1 W H Wt.
mm mm mm mm t
6L32/40 6 5,940 5,140 2,630 4,010 38
7L32/40 7 6,470 5,670 2,630 4,010 42
8L32/40 8 7,000 6,195 2,715 4,490 47
9L32/40 9 7,530 6,725 2,715 4,490 51
All weights and dimensions are for guidance only and apply to dry engines without flywheel. Minimum centreline distance for twin engine installation: 2,500 mm Minimum centreline distance for twin engine installation with turbocharger on counter coupling side: 3,000 mm. More information available upon request.
Outputs MCR (maximum continuous rating)
Engine speed 750 rpm 720*) rpm
Mean piston speed 10.0 m/s 9.6 m/s
Mean effective pressure 24.9 bar 25.9 bar
kW kW
6L32/40 6 cyl. 3,000 3,000
7L32/40 7 cyl. 3,500 3,500
8L32/40 8 cyl. 4,000 4,000
9L32/40 9 cyl. 4,500 4,500
12V32/40 12 cyl. 6,000 6,000
14V32/40 14 cyl. 7,000 7,000
16V32/40 16 cyl. 8,000 8,000
18V32/40 18 cyl. 9,000 9,000
*) For generator drive only Fixed Pitch Propeller: 450kW/Cyl
Specific Fuel Oil Consumption (SFOC) to ISO conditions
100% load 85% load
L32/40 186 g/kWh 183 g/kWh
L32/40 FPP 189 g/kWh 184 g/kWh
V32/40 184 g/kWh 182 g/kWh
V32/40 FPP 187 g/kWh 183 g/kWh
Engine type specific reference charge air temperature before cylinder 43 °C
The fuel consumption is based on a lower calorific value (LHV) of the fuel of 42,700 kJ/kg without attached pumps. Tolerance +5%.
Specific lubricating oil consumption
L+V32/40 0.5 g/kWh
L+V32/40 FPP 0.5 g/kWh
The lube oil consumption is given with a tolerance of +20%
Dimensions and Weights All cylinder numbers
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8 32/40 – Four-stroke diesel engine 32/40 – Four-stroke diesel engine
The PrimeServ offering
The MAN Diesel & Turbo Group offers worldwide, round-the-clock service, 365 days a year. In addition to MAN Diesel & Turbo’s service headquarters in Augsburg, Copenhagen, Frederikshavn, Saint-Nazaire, Hamburg and Stockport, service centers on all conti- nents provide comprehensive and continuous support.
MAN Diesel & Turbo engines are renowned for their quality and durability. We are a global organization with a strong local presence, delivering exceptional field service management, tailor-made solutions, and first-class technical support.
PrimeServ provides advice and assistance to customers throughout the product lifecycle, from delivery to resale. With our far-reaching network of Service centers, we respond rapidly to customer needs. What’s more, we offer outstanding service and unrivalled technical expertise. Plus, we only use genuine spare parts – safeguarding the longevity of your engine.
PrimeServ’s aim is to provide:
Prompt delivery of high demand OEM spare parts within 24 hours
Fast, reliable and competent customer support
Individually tailored O&M contracts
Ongoing training and qualification of operators and maintainers
Global service, open 24 hours-a-day, 365 days-a-year
Diagnosis and troubleshooting with our high performance Online Service
World-Class Service
Marine propulsion, gensets and stationary plants
Service centers
10 32/40 – Four-stroke diesel engine
MAN Diesel – Powering the WorldMAN Diesel & Turbo – a member of the MAN Group MAN Diesel & Turbo
86224 Augsburg, Germany Phone +49 821 322-0 Fax +49 821 322-3382
[email protected] www.mandieselturbo.com
All data provided in this document is non-binding. This data serves informational purposes only and is especially not guaranteed in any way. Depending on the subsequent specific individual projects, the relevant data may be subject to changes and will be assessed and determined individually for each project. This will depend on the particular characteristics of each individual project, especially specific site and operational conditions. Copyright © MAN Diesel & Turbo.
D2366308EN-N10 Printed in Germany GMC-AUG-10132
