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SeaMac Marine Propulsion Solution

Over Ten Thousand Propeller Design Experience, Accurate claculation, High Performence, Be your reliable propulsion partner.

High Standard Materials

Purity CU3 Cooper , all material do composition testing , pre-furnace selection of ingredients, in accordance with all relevant regulations and requirements.

Ighly Automated Processing Equipment

SeaMac using highly automated medium frequency electric furnace, high investment and high manufacturing costs ensuring the stable quality standard, with full line of processing and testing equipment, ensuring the high reliability and stability of our propellers.

Strictly Quality Control Process

ISO9001 Quality Standard,3 steps precasing inspections, 10 steps post-casting inspections, SeaMac have a set of strictly quality control process, ensuring every single delivered propellers are meeting quality standard and requirements.

Proven by Classification Society Certification

All of SeaMac marine propellers are comes with CCS as standard classification certifications, we can also provides BV ,RS and other international classification.

Committed to providing reliable premium propulsion system and generators to shipyard and shipowner around the world, SeaMac is a sub-brand of EMAC group that focused on maritime application.
With well-educated, international background and experienced operation team, and years of rich experiences in shipbuilding industry, SeaMac can easily understand and respond to customer needs, significantly reduce customer’s communication costs.
Our core business philosophy is “A Promise is a Promise”, and practice the attitude of “be realistic, be innovative”.
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EMAC Group Limited was established in Hong Kong in 2010, aims to become a solid one-stop supplier in the power machinery industry. EMAC operating four overseas subsidiaries and owns 10 self-registered trademarks, our products are widely used in which covers energy, maritime, automotive, construction, railways and spare parts. Based on different types of DCEC engines, EMAC integrate other leading power system products into a complete power system.
With years of rich powertrain supply experience, EMAC can quickly understand and respond to customer needs, greatly reducing customer communication costs.
EMAC provides one-stop solutions covers from pre-design to components supply, from installation…
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With the mission of “Better Power, Better World”, EMAC gathering a brilliant well-educated team, all of EMAC’s team members are have English background, from sales to engineers, from marketing team to administration team, our good English foundation ensuing the ability of smooth communication with all customers.
EMAC also gradually builing our global services network, from branch companies to joint ventures, from local sales representatives to local after-sales services partners, we continuously expanding a global network that to provide better communication and services for our customers.
Till 2021, EMAC have branch companies and joint venture in Thailand and Singapore with after-sales service ability in this two countries. And we have sales representatives in Turkey, Spain, France and UK…
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As a 12 years experience profesional one-stop power system provider, EMAC have unique excellent ability with supplying complete power system for all kinds of applications.
From automotive powertrain system to industrial engine power system, from water pump drive package to complete generator set, from marine propulsion system to marine power system, by working closely with global leading companies’ factories in China, EMAC gives high-end solutions with competitive prices.
EMAC is excellent solution provider with a professional and dedicated team, we developed our advanced management system based on our past experience, and EMAC is the innovator of detailed visulization services that have professional video for every single products we sell…
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We cares your voice, from pre-sales communications, to sales communications, from after-sales complaints to customer review feedback, EMAC continuously collecting all kinds of qustions from customers, no matter questions on products, about business terms, marketing or manament related, helping EMAC and customers to know each other better and grow up together.
With the mission of “Better Power, Better World”, and the vision of “Help World Leverage the Power of China”, EMAC looking for business partners in each country, that can working both as branch company or joint venture, by leverage the rich resources here, business network and local service advantages in China, we hope can help all manufacturers in the world to improve their design ability, manufacturing capability, management…
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DuraMac 02

Fixed Pith Propellr

Fixed pith propellers are mainly used in inland ships, offshore ships and deep-sea ships. The propeller design uses advanced software and strictly complies with the latest IMO regulations on crew comfort, achieving low cavitation and low noise.

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The picture of DCEC Industrial Engine application scenario picture showing the accessories and scopes of supply.

Controllable Pitch Propeller

Controllable pitch propellers are adaptable to multiple working conditions, economical, efficient, excellent maneuverability and reliability, and advanced.
NGC Marine can carry out engine-propeller-ship matching optimization design according to the requirements of different ship types and shafting arrangements, thereby achieving the environmentally friendly requirements of high efficiency and low energy consumption of the propulsion system.

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The picture of DCEC Pump Engine displays application scenarios and Engine images, showing the accessories and scopes of supply.

Azimuth Thruster (Rudder Propller)

The Azimuth thruster can quickly realize 360° arbitrary change of propeller thrust direction.
We are able to supply azimuth thruster lins with FP or CP propellers according to customer requirements. Through different arrangements such as Z-Drive & L-Drive, the propulsion efficiency and maneuverability of the ship are improved.

It has been widely used in offshore platforms, wind power installation vessels, semi-submersible vessels, research vessels, exploration vessels, lifting pipe-laying vessels and port tugboats.

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The picture of DCEC Generator Drive application scenario picture showing the accessories and scopes of supply.

Rudder Contra-Rotationg Propeller (Azimuth Thruster)

The device combines the structural advantages of the opposite propeller with the flexible characteristics of the 360° steering gear, which effectively reduces the diameter of the rotating propeller, improves the propulsion efficiency, and reduces the vibration and noise.

Mainly used in ship, oil recovery ship, sanitation engineering catheter have special requirements or special restrictions of ship.

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The picture of DCEC Marine Engine application scenario picture showing the accessories and scopes of supply.

Deck Combined Propulsion

The deck installation is to assemble the boat propellr unit by steering gear and diesel engineer, with the advantages of compact structure, the diesel engine through the elastic coupling, clutch and universal shaft, the common fixing pedestal could be equipped with such parts as hydraulic station, electric contril bx and daily oil tank.

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The picture of DCEC Parts and Service displays application scenarios and engine images showing the accessories and scopes of supply.

Other Forms of Azimuth Thruster

We also supply other types of Azimuth Thruster to meet different needs, such as: Underwater-installed, Lifting, Hydraulic,Compact type Azimuth Thruster.

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The picture of DCEC Parts and Service displays application scenarios and engine images showing the accessories and scopes of supply.

Tunnel Thruster

We supply fixed pitch propellr tunnel thrust and controllable pitch propellr tunnel thrust. Tunner thruster system includes the tunnel thrust body, prime mover, hydraulic system, remote control system, electric control system and other equipment.

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Find Engines by Series or Type

Below list is the engines classified by engine type, you can also find engines classified by series in the top menu.

Fixed Pitch Propellers

EQB / B Automotive 123-235 HP
C Automotive 220-325 HP
L Automotive 300-375 HP
L9NS6 Automotive 276-423 HP
D4.0NS6 Automotive 147-191 HP
ISB3.9S4 Automotive 123-158 HP
ISD4.5 Automotive 138-217 HP
ISD6.7 Automotive 207-289 HP
ISF2.8 Automotive 130-150 HP
ISF3.8 Automotive 153-168 HP
ISL8.9 Automotive 260-394 HP
ISL9.5 Automotive 288-419 HP
ISZ13 Automotive 424-525 HP
ISM11 Automotive 380-420 HP
Z14NS6 Automotive 480-591 HP
Z15NS6 Automotive 591-650 HP

Engine Model

Power/HP

0 100 200 300 400 500 600 700
Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ
DCEC Automotive Engine Catalogue
Series
Model

  B140-33 | 140 HP @ 2500 RPM   B170-33 | 170 HP @ 2500 RPM   B190-33 | 190 HP @ 2500 RPM   B210-33 | 210 HP @ 2500 RPM
  EQB125-20 | 125 HP @ 2800 RPM   EQB140-20 | 140 HP @ 2700 RPM   EQB160-20 | 160 HP @ 2500 RPM   EQB170-21 | 170 HP @ 2500 RPM
  EQB180-20A | 180 HP @ 2500 RPM   EQB180-20B | 180 HP @ 2500 RPM   EQB190-20 | 190 HP @ 2800 RPM   EQB190-21 | 190 HP @ 2500 RPM
  EQB210-20A | 210 HP @ 2500 RPM   EQB210-20B | 210 HP @ 2500 RPM   EQB235-20 | 235 HP @ 2500 RPM    
  C220-10A | 220 HP @ 2400 RPM   C220-10B | 220 HP @ 2400 RPM   C230-10 | 230 BHP @ 2400 RPM   C230-20 | 230 HP @ 2200 RPM
  C240-10 | 240 BHP @ 2400 RPM   C245-20A | 241 BHP @ 2400 RPM   C245-20B | 243 HP @ 2200 RPM   C260-20 | 260 HP @ 2500 RPM
  C260-33 | 260 HP @ 2200 RPM   C280-20 | 280 HP @ 2200 RPM   C300-20A | 300 HP @ 2200 RPM   C300-20B | 300 HP @ 2200 RPM
  C325-20 | 325 HP @ 2200 RPM            
  L300-20 | 300 HP @ 2200 RPM   L325-20 | 325 HP @ 2200 RPM   L340-20 | 340 HP @ 2200 RPM   L340-30 | 340 HP @ 2200 RPM
  L360-20 | 360 HP @ 2200 RPM   L360-30 | 360 HP @ 2200 RPM   L375-30 | 375 HP @ 2200 RPM    
  L9NS6B280 | 276 HP @ 1900 RPM   L9NS6B315 | 311 HP @ 1900 RPM   L9NS6B340 | 335 HP @ 1900 RPM   L9NS6B360 | 355 HP @ 1900 RPM
  L9NS6B400 | 394 HP @ 1900 RPM   L9NS6B400-II | 394 HP @ 1900 RPM   L9NS6B430 | 423 HP @ 2100 RPM    
  D4.0NS6B150 | 147 HP @ 2400 RPM   D4.0NS6B160 | 158 HP @ 2400 RPM   D4.0NS6B170 | 167 HP @ 2400 RPM   D4.0NS6B185 | 182 HP @ 2400 RPM
  D4.0NS6B195 | 191 HP @ 2400 RPM   D4.0NS6B195-II | 191 HP @ 2400 RPM        
  ISB3.9-125E40A | 123 HP @ 2500 RPM   ISB3.9-140E40A | 136 HP @ 2500 RPM   ISB3.9-160E41A | 158 HP @ 2500 RPM    
  ISDe140 30 | 138 HP @ 2500 RPM   ISDe140-30B | 140 HP @ 2500 RPM   ISDe140 41 | 138 HP @ 2300 RPM   ISDe140 51 | 138 HP @ 2300 RPM
  ISDe160 30 | 158 HP @ 2500 RPM   ISDe160 30A | 160 HP @ 2700 RPM   ISDe160 30B | 160 HP @ 2700 RPM   ISDe160 30-II | 158 HP @ 2700 RPM
  ISDe160 31 | 158 HP @ 2500 RPM   ISDe160 41 | 158 HP @ 2300 RPM   ISDe160 51 | 158 HP @ 2300 RPM   ISDe180 30 | 182 HP @ 2500 RPM
  ISDe180-30 | 185 HP @ 2700 RPM   ISDe180 30-II | 182 HP @ 2500 RPM   ISDe180 40 | 177 HP @ 2500 RPM   ISDe185-30A | 182 HP @ 2500 RPM
  ISDe185-30B | 185 HP @ 2500 RPM   ISDe185 31 | 185 HP @ 2500 RPM   ISDe185 41 | 185 HP @ 2500 RPM   ISDe185 51 | 182 HP @ 2300 RPM
  D4.5NS6B190 | 187 HP @ 2300 RPM   ISDe200-30 | 200 HP @ 2300 RPM   D4.5NS6B210 | 206 HP @ 2300 RPM   D4.5NS6B220 | 217 HP @ 2300 RPM
  ISDe210-30A | 207 HP @ 2500 RPM   ISDe210-30B | 210 HP @ 2500 RPM   ISDe230-30 | 226 HP @ 2500 RPM   ISDe245-30 | 241 HP @ 2500 RPM
  ISDe270-30A | 266 HP @ 2500 RPM   ISDe270-30B | 281 HP @ 2500 RPM   ISDe285-30 | 281 HP @ 2500 RPM   ISDe285-50 | 281 HP @ 2500 RPM
  D6.7NS6B260 | 256 HP @ 2300 RPM   D6.7NS6B290 | 289 HP @ 2300 RPM        
  ISF2.8s3129T | 130 HP @ 3200 RPM   ISF2.8s4129T | 130 HP @ 3200 RPM   ISF2.8s4148T | 150 HP @ 3200 RPM    
  ISF3.8s3154 | 153 HP @ 2600 RPM   ISF3.8s4R168 | 168 HP @ 2600 RPM        
  ISLe270 30 | 269 HP @ 2100 RPM   ISLe290 30 | 285 HP @ 2100 RPM   ISLe290-30 | 289 HP @ 2100 RPM   ISLe290 40 | 285 HP @ 2100 RPM
  ISLe290 50 | 285 HP @ 2100 RPM   ISLe292 40 | 288 HP @ 2100 RPM   ISLe292 50 | 285 HP @ 2100 RPM   ISLe310 30 | 305 HP @ 2100 RPM
  ISLe310-30 | 309 HP @ 2100 RPM   ISLe315 40 | 311 HP @ 2100 RPM   ISLe315 50 | 315 HP @ 2100 RPM   ISLe325 40 | 320 HP @ 2100 RPM
  ISLe325 50 | 324 HP @ 2100 RPM   ISLe340 30 | 335 HP @ 2100 RPM   ISLe340-30 | 340 HP @ 2100 RPM   ISLe340 40 | 335 HP @ 2100 RPM
  ISLe340 50 | 340 HP @ 2100 RPM   ISLe360 40 | 335 HP @ 2100 RPM   ISLe360 50 | 359 HP @ 2100 RPM   ISLe375 30 | 368 HP @ 2100 RPM
  ISLe375 30-II | 368 HP @ 2100 RPM   ISLe375-30 | 375 HP @ 2100 RPM   ISLe375-40 | 315 HP @ 2100 RPM   ISLe375 50 | 375 HP @ 2100 RPM
  ISLe380 50 | 379 HP @ 2100 RPM   ISLe400 40 | 394 HP @ 2100 RPM   ISL8.9-292E50A | 288 HP @ 2100 RPM   ISL8.9-315E50A | 311 HP @ 2100 RPM
  ISL8.9-340E51A | 337 HP @ 2100 RPM   ISL8.9E5280B | 280 HP @ 2100 RPM   ISL8.9E5320B | 260 HP @ 2500 RPM   ISL8.9E5340B | 335 HP @ 2100 RPM
  LK290 33 | 296 HP @ 2000 RPM   LK340 33 | 343 HP @ 2000 RPM   LK340 33-II | 337 HP @ 2000 RPM   ISL9.5-292E40A | 288 HP @ 1900 RPM
  ISL9.5-292E40A-ll | 288 HP @ 1900 RPM   ISL9.5-292E42A | 288 HP @ 1900 RPM   ISL9.5-292E43A | 288 HP @ 1900 RPM   ISL9.5-315E40A | 311 HP @ 1900 RPM
  ISL9.5-315E40A-II | 311 HP @ 1900 RPM   ISL9.5-315E43A | 351 HP @ 1900 RPM   ISL9.5-325E40A | 320 HP @1900 RPM   ISL9.5-340E40A | 335 HP @ 1900 RPM
  ISL9.5-340E40A-ll | 335 HP @ 1900 RPM   ISL9.5-340E41A | 336 HP @ 1900 RPM   ISL9.5-340E42A | 335 HP @ 1900 RPM   ISL9.5-340E43A | 336 HP @ 1900 RPM
  ISL9.5-350E40A | 347 HP @ 1900 RPM   ISL9.5-350E40A-ll | 345 HP @ 1900 RPM   ISL9.5-360E40A | 359 HP @ 1900 RPM   ISL9.5-375E40A | 370 HP @ 1900 RPM
  ISL9.5-375E40A-II | 370 HP @ 1900 RPM   ISL9.5-375E42A | 370 HP @ 1900 RPM   ISL9.5-385E40A | 382 HP @ 1900 RPM   ISL9.5-385E40A-II | 382 HP @ 1900 RPM
  ISL9.5-385E41A | 382 HP @ 1900 RPM   ISL9.5-385E51A | 378 HP @ 1900 RPM   ISL9.5-400E40A | 395 HP @ 1900 RPM   ISL9.5-400E40A-II | 395 HP @ 1900 RPM
  ISL9.5-425E40A | 419 HP @ 1900 RPM            
  ISZ425-40A | 425 HP @ 2100 RPM   ISZ425-40B | 425 HP @ 2100 RPM   ISZ425-41 | 424 HP @ 2100 RPM   ISZ450-40A | 456 HP @ 2100 RPM
  ISZ450-40B | 450 HP @ 2100 RPM   ISZ450-41 | 450 HP @ 2100 RPM   ISZ460-51 | 450 HP @ 2100 RPM   ISZ520-41 | 450 HP @ 2100 RPM
  ISZ525-40A | 525 HP @ 2100 RPM   ISZ525-40B | 525 HP @ 2100 RPM   ISZ525-40C | 525 HP @ 2100 RPM   ISZ425 40 | 425 HP (317 kW) @ 2100 RPM
  ISZ425 41 | 418 HP (425 Ps) @ 1900 RPM   ISZ450 40 | 450 HP(335 kw)@ 2100 RPM   ISZ480 40 | 480 HP (480 bhp) @ 2100 RPM   ISZ480 41 | 473 HP (480 Ps) @ 1900 RPM
  ISZ520 40 | 520 HP (520 bhp) @ 2100 RPM   ISZ520 41 | 525 HP (392 kW) @ 2100 RPM   ISZ525 40 | 512 HP (520 Ps) @ 1900 RPM    
  ISMe385-30 | 380 HP @ 1900 RPM   ISMe420-30 | 420 HP @ 1900 RPM        
  Z14NS6B480 | 480 HP @ 1800RPM   Z14NS6B520 | 520 HP @ 1800RPM   Z14NS6B560 | 560 HP @ 1800RPM   Z14NS6B600 | 591 HP @ 1800RPM
  Z15NS6B600 | 519 HP @ 1800 RPM   Z15NS6B630 | 622 HP @ 1800 RPM   Z15NS6B660 | 650 HP @ 1800 RPM    
——END——


Customize Your Propeller

All of EMAC's partners are facing big challenges with sourcing original spare parts in China. Committed to providing trustworthy and professional after-sales support and parts supply, PartMac is a sub-brand of EMAC group that focusing on parts business. Stick to original parts only, PartMac can't give any solution on CHEAP PARTS, but you don't need to worry about any quality issues with every single parts from PartMac, and we take full responsibility for everything supplied by PartMac.
Customers can find all DCEC engine parts via engine series:
4BT3.9 Engine Parts | 6BT5.9 Engine Parts | 6CTA8.3 Engine Parts | 6LTAA8.9 Engine Parts | ISF& QSF Engine Parts | ISBe & QSB  Engine Parts | ISDe & QSD Engine Parts | ISLe8.9 & QSL8.9 Engine Parts | ISMe11 & QSM11 Engine Parts | ISZ13 & QSZ13 Engine Parts

All of EMAC's partners are facing big challenges with sourcing original spare parts in China. Committed to providing trustworthy and professional after-sales support and parts supply, PartMac is a sub-brand of EMAC group that focusing on parts business. Stick to original parts only, PartMac can't give any solution on CHEAP PARTS, but you don't need to worry about any quality issues with every single parts from PartMac, and we take full responsibility for everything supplied by PartMac.
Customers can also find all DCEC engine parts with the major type of parts they need:
Crank and Rod Mechanism: Cylinder Head | Cylinder Block | Cylinder Gasket | Oil Pan | Valve Chamber Cover | Crankshaft | Flywheel | Crankshaft Pully | Timing Gear | Piston | Piston Ring | Piston Pin | Connecting Rod | Connecting Rod Bearing | Connecting Rod Cover | Connecting Rod Bolt
Valve Mechanism: Valve | Valve Guide | Valve Spring | Valve-Spring Retainer | Valve Collet | Camshaft | Valve Tappet | Valve Push Rod | Camshaft Timing Gear | Rocker Arm
Starting System: Starter Motor | Starter Rely | Charging Alternator
Fuel Supply System: Fuel Transfer Pump | Fuel Filter | Fuel Pump | Fuel Pipe | Injector
Lubrication System: Oil Pump | Suction Filter | Oil Filter | Oil Cooler | Oil Pressure Sensor | Oil Temperature Sensor
Cooling System: Water Pump | Water Temperature Sensor | Radiator | Heat Exchanger
Air Intake System: Air Filter | Turbocharger | Intercooler | Air Intake Manifold
Exhaust System: Air Exhaust Manifold | Muffler

Years of Exporting

Types of Boats

Exported Countries

Delivered Projects

SEAMAC-main-page-image

EMAC is very level company and always on to the point the things have solved. So technically they are very sound. Whatever our query is that it has been clarified and done perfectly…

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You are reliable supplier.I will introduce your company EMAC to my partner.Because when I give the gift,I will give the best gift to my friend and my partner and you are the best…

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EMAC provides us a very good support, no matter pre-sales support or after-sales support. They have deep network of power system manufacturers in China, and ensuring them …

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EMAC is a trustworthy company. Based on years of purchasing experience from us , their price is really competitive and their product is very good. We feel great to deal with EMAC…

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We were satisfied with EMAC, and happy to having them as our supplier, our boat has been operated for more than 5 years now, both propulsion system and power system from EMAC…

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