We offer the 40Sl and 55Sl series of water-cooled alternators, supporting various standardmounting types for broad compatibility withheavy-duty equipment. Please refer to the tablebelow to identify your required part number orcontact our experts for model selectionsupport.
Core Advantages
What Makes Water-Cooled Alternators Different?
A water-cooled alternator is an AC generator that uses liquid circulation for heat dissipation, offering dramatically higher cooling efficiency than traditional air-cooled designs.
Built for Heavy Loads
Handles continuous high-power output (40kW+)
Superior Heat Dissipation
Performs in high- ambient temperatures
Adapted for Harsh Sites
Resistant to dust and tough environments
Elecdura Water-Cooled
Air-Cooled Alternator
Cooling Effect
Excellent,designed for heavy-duty conditions
Cooling Effect
Average
Noise Level
Lower Noise, Quieter Operation
Noise Level
Relatively High
Env.Adaptability
Superior adaptability in high-altitude, high-temp, dusty env.
Env.Adaptability
General
lnitial Investment
Medium, with higher long-term returns (TCO)
lnitial Investment
Low
The Problem & Solution
A Smarter Sourcing Partnership: Quality, Flexibility & Profitability
Unlock Higher Profit Margins
We bypass the unnecessary costs associated with big-brand marketing and distribution, focusing purely on what matters: exceptional engineering and quality. This translates directly to a healthier bottom line. You can offer or utilize a premium, high-performance product at a more competitive price point, securing a superior profit margin or gaining true, tangible value for your investment without paying for a big brand's marketing budget.
Regain Control with a Low MOQ of 5 Units
We understand that flexibility matters. That’s why we support low minimum order quantities starting from just 5 units—helping you test markets, reduce inventory risk, and move faster without sacrificing access to premium components.
OE-Level Quality Without Compromise
Our products are manufactured in certified facilities that supply to top global brands. You receive the same engineering, materials, and performance—without the brand markup. Quality is never a trade-off here.
Core Application Areas
Designed for These and More Heavy-Duty Applications
Cranes&Construction Machinery
Powers hydraulic and electronic systems for mobile cranes, tower cranes, excavators, and loaders, ensuring consistent performance for high-demand tasks.
Heavy-Duty Trucks
Meets the high electrical demands and reliability requirements of long-haul trucks, specialty vocational vehicles, and mining trucks.
Auxiliary Power Systems
Provides primary or backup power for industrial facilities, especially in continuous high-current scenarios (e.g.. 160Aor 250A) where reliability is critical.
Power Generation
Serves as a core, reliable component for stationary diesel/gas generator sets and mobile power units, ensuring stable electricity generation over long periods.
Industrial Equipment
Delivers consistent powerto stationary or semi-stationary heavy machinery such as factory production lines, pump stations,compressors, and automated warehouse systems.
Marine Equipment
Provides reliable power for main/auxiliary engines, propulsion systems, and deck machinery, with superior resistance to corrosion from humidity and salt spray.
Product Models & Specifications
Water-Cooled Alternator Models &Specifications
Item
OEM No.
Voltage & Amperage
Mount Type
QUOTE REQUEST
8600473
240-4163
12V 430A
Standard Pad (80MM)
61006083
8600480
8600434
240-4160
24V 275A
Standard Pad (80MM)
61006082
8600453
8600483
8600739
8600807
240-4162
24V 250A
Standard Pad (80MM)
61006081
8600580
8600557
240-4169
24V 275A
Long Pad (105MM)
61006080
8600761
8600581
61009283
8600635
8600737
240-4170
24V 250A
Long Pad (105MM)
61006079
8600529
8600629
12V 430A
Long Pad (105MM)
61003345
240-4263
12V 430A
J180 Hinge
8600564
61002316
240-4240
24V 275A
J180 Hinge
8600634
8600755
8600300
12V 300A-320A
J180 Long Hinge
8600390
8600280
8600526
4856AA
4867JB
4867JGH
4870AA
4870JB
4871JB
4872AA
4872JB
4949PGH
12V 240A-275A
J180 Long Hinge
8600628
8600298
8600414
12V 300A-320A
PAD
8600412
8600338
8600094
8600478
8600603
8600781
8600782
8600783
8600784
8600785
12V 240A-275A
PAD
8600668
24V 160A
PAD
8600636
8600659
I M5B+M8
24V 160A
PAD
8600299
12V 300A
J180 Short Hinge
8600339
8600279
8600299
12V 240A-275A
J180 Short Hinge
8600339
8600279
8600299
12V 240A-275A
J180 Short Hinge
Get In Touch
Factory Direct. MOQ from 5 Units. Bulk Pricing Available.
Looking for flexible order quantities and competitive pricing?
At Elecdura, we support minimum orders from just 5 units — perfect for sample testing or pilot distribution. Whether you're sourcing for OEM, aftermarket, or fleet maintenance, our factory
Technical Advantages & Construction
Why Elecdura Water-Cooled Alternators Are More Reliable?
Tackling Rising Power Demands and Battery Wear
Elecdura alternators deliver a stable 14V output, meeting the needs of ECUs, telematics, lighting, and AC even at low RPMs (<1000 RPM)
Reducing Fuel Costs and Heat Management Challenges
Optimized internal liquid cooling channels boost heat exchange efficiency by 25% maintaining core temperatures below 80°C for consistent high power output. Compared to traditional air-cooled systems, this saves up to 15% in fuel costs annually ideal for 24/7 industrial operations.
Extending Equipment Life and Minimizing Downtime
Equipped with heavy-duty bearings designed forhigh-vibration environments, these alternators lastover 10,000 hours.Brushless technology eliminatesbrush wear, cutting maintenance frequency by 40% and reducing costly downtime.
Protecting Battery Health for Better ROI
Featuring industrial-grade rectifiers with 50% higher heat resistance, they maintain voltage stability (+0.2V)even at 120°C, extending heavy-duty battery life by 2-3 years and lowering replacement costs.
Elecdura - Your Reliable supplyChain Partner
Quality and Service You Can Depend On
Elecdura
Vetted Quality Sourcing
We partner exclusively with OE-level manufacturing facilities that meetstrict quality system certifications (e.g. lATF76949).
Elecdura
High-Capacity Manufacturing
Reliable mass production capability ensures consistent lead times and scalable supply.
Elecdura
Customer-Centric Customization
Professionally curated product lines with tailored solutions for diverse customer needs.
Elecdura
Trusted by Global Buyers
Bulk-ready packaging and full-service logistics for efficient global fulfillment.
Didn't find what you were looking for?
Feel free to get in touch.
Elecdura is the backbone of a supply chain, empowering wholesalers, distributors, and vendors to thrive. We look forward to working with you.
Changzhou Skyfound Technology Co., Ltd
Cathy Cheng
+86-189-1502-7366
info@elecdura.com
+86-18915027366