The 50MT 24V Heavy-Duty Starter Motor is designed for Caterpillar 1693 marine engines and Cummins 9L5417 diesel engines, delivering reliable 9kW power for heavy machinery, trucks, and industrial equipment. Fully OEM compatible, this starter motor ensures durable performance and easy replacement for demanding industrial and marine applications.
Elecdurauto
IATF 16949, ISO 9001, and other major OEM certification systems
OEM label and ODM customization accepted
50
7–15 Days
18 months
| Quantity: | |
|---|---|
Product Description
| Equipment Type | Equipment Model / Application | Brand |
|---|---|---|
| Pipe Layers | 589 (1983–1992), 591 (1983–1992), 594H (1981–1992), 583K (1989–1993) | Caterpillar |
| Engines | 3516 (1983–1993), 3508 (1986–1993), 3512 (1986–1993) | Caterpillar |
| Track Tractors / Crawler Tractors | D10N (1986–1993), D9L (1980–1986), D11N (1986–1993), D10 (1978–1986), D8L (1982–1991), D9N (1986–1995) | Caterpillar |
| Trucks | 777B (1986–1992), 776B (1986–1992) | Caterpillar |
| Service & Maintenance Replacement | OEM replacement for starter motors 10479342, 3383456, 6V0889, DR10478859, DR10479144, DR8200480 | Caterpillar |
| Parameter | Specification |
|---|---|
| Starter Model | 50MT Heavy-Duty Starter Motor |
| Product Type | Heavy-Duty Starter Motor – OEM Replacement |
| Voltage | 24V |
| Power Output | 9 kW High-Torque Output for Heavy Machinery and Diesel Engines |
| Teeth | 11 Teeth |
| Rotation | Clockwise (CW) |
| Mount Type | Standard 50MT Mounting Configuration |
| Starter System | Direct Drive, Heavy-Duty Starting System |
| Cooling / Lubrication | Internal Lubrication, Heavy-Duty Design |
| Condition | Brand New, OEM-Interchangeable |
| OEM Cross References – Caterpillar / Cummins | 10478853 / 1109635 / 1109794 / 1109832 / 3603866RX |
| Compatible Equipment | Caterpillar Marine Engines 1693 / 1693R RA, Cummins 9L5417 / 9L2200 / 6V0514 / 3T8959, Heavy-Duty Trucks & Industrial Machinery |
| Typical Applications | Marine Engines, Heavy Trucks, Construction Equipment, Industrial Machinery |
| Application Category | Diesel Engine Starting, Heavy Machinery, Marine & Industrial Equipment |
| Housing Material | Heavy-Duty Metal Housing |
| Electrical System | 24V Diesel Engine Starting System |
| Quality Standard | IATF 16949 & ISO 9001 Certified Production System |
| Warranty | 18 Months for Heavy-Duty Commercial Use |
| OEM Brand | OEM Reference Number | Description |
|---|---|---|
| Caterpillar | 10478853 | Heavy-duty starter motor for Caterpillar marine and industrial engines |
| Caterpillar | 1109635 | OEM replacement starter for Caterpillar heavy-duty diesel engines |
| Caterpillar | 1109794 | Direct replacement starter motor for Caterpillar construction equipment |
| Caterpillar | 1109832 | Heavy-duty 24V starter compatible with Caterpillar trucks and machinery |
| Caterpillar / Cummins | 3603866RX | OEM cross-compatible starter for Cummins diesel engines and industrial applications |
At Elecdurauto, the components of each product are strictly inspected to ensure the quality of the products.
New series of products have to undertake all kinds of tests before out into SOP, such as DV performance test,environment test, electromagnetic vibration test, endurance treat.
Electromagnetic Vibration Tester (On Working Condition)
Starter DV Performance Tester
Starter Endurance Test Zone
Environment Test Area
At Elecdurauto, every starter is manufactured to exacting standards through our fully integrated production process. From rigorously inspected raw materials to precision machining and automated assembly, each step is optimized for consistency and performance. Every unit undergoes dynamic testing to ensure unmatched reliability—meeting the demands of both OEM specifications and aftermarket requirements.
Starter Raw Materials Preparation
Starter Component Processing
Starter Parts Fabrication
Starter Parts Assembly Process
Starter Automated Production Line
Starter Quality Control Check
Starter Final Product Assembly
Starter Finished Goods Storage
With extensive experience in supplying to OEMs and large distributors, Elecdurauto understands what global compliance truly means. Our starter motors can be tailored to meet the required certifications and regulatory standards in your region — whether it's CE for Europe, E-Mark for automotive electronics, INMETRO for Brazil, or GCC conformity for the Middle East.
ISO/IATF 16949 Certified Production
ISO 14001 Environmental & Safety Compliance
Optional CE, RoHS, E-Mark, REACH, INMETRO & others
Lab testing partnerships for electromagnetic compatibility (EMC), durability, noise & vibration, and more
Customized labeling and documentation to meet your import/export requirements
Need help passing a new certification for your country?
Want to brand your own line with compliance guarantees?
We've done it before — and we're ready to do it for you.
At Elecdurauto, we take pride in delivering more than just starters—we provide end-to-end solutions tailored to our clients' exact needs. As a trusted OEM supplier for starters, we've built long-term partnerships by combining precision engineering, responsive service, and value-added support.
From initial design collaboration to final delivery, we ensure every starter meets strict OEM specifications while optimizing for performance and durability. Our team works closely with clients to refine packaging, streamline logistics, and even assist with product development—ensuring a seamless integration into their production lines.
Starter Motor Samples
Designed Boxes with Client Logo
Client Showcasing
OEM Starter Models Showroom
Detailed Shot of Starter Motor
Precision Components Inside Starter
Surface Texture and Labeling on Starter
Starter Motor Units Before Packaging
Elecdurauto brings together a powerful network of China's top automotive electrical component manufacturers to serve global buyers with unmatched efficiency.
As your strategic sourcing partner, we offer:
Competitive factory pricing
Product quality on par with international brands
Full support across fuel and new energy vehicle segments
From OE-compatible starter motors to custom-developed units, Elecdurauto empowers wholesalers, distributors, and OEM customers with reliable supply chain access and flexible production capability.
National-level high-tech enterprise focused on motor system innovation
¥300M+ R&D investment spanning ICE, BEV, HEV, REEV platforms
Modern production centers certified to GMW Global & CINA standards
Full-process automation with real-time quality control, smart warehousing, and digital visualization
Industry-leading single-line output capacity
Built upon Six Sigma and lean production principles
Smart upgrade from traditional to digitalized manufacturing
Capable of complex processes: round wire stators, high-density alternators, IPX4/IP67 protection-grade starters
Full IATF 16949, ISO 14001 compliance
In-house testing: performance, NVH, life-cycle (except EMC)
Certified by top OEMs: GMW, Chery, JAC, Foton, Caterpillar
Lifecycle validation: 45,000 to 350,000 cycles for start-stop systems
Starter motor digital assembly line: 2 million units/year
Rotor production: 3 million units/year
Flat wire stators/rotors: 250,000 units/year
Round wire motors: 240,000 units/year
Starter assembly total capacity: 600,000 units/year
Compatible with Caterpillar 1693 / 1693R RA marine engines and Cummins 9L5417, 9L2200, 6V0514, 3T8959 diesel engines, as well as heavy-duty trucks and industrial machinery worldwide.
Yes, it is OEM interchangeable, compatible with Caterpillar 10478853, 1109635, 1109794, 1109832 and Cummins 3603866RX, ensuring reliable replacement across multiple engines.
The 50MT operates at 24V, delivers 9 kW high-torque output, with 11 teeth and clockwise (CW) rotation. Its direct-drive heavy-duty design ensures long-term durability in industrial and marine environments.
Provides OEM-equivalent performance across multiple models, reducing downtime and simplifying maintenance for Caterpillar and Cummins fleets.
Yes. Meets IATF 16949 & ISO 9001 quality standards, suitable for EU, Germany, South America, and global heavy-duty applications.
Recommended for marine engines, heavy trucks, motor graders, asphalt pavers, compactors, wheel loaders, and other construction or industrial machinery.
Standard 50MT mounting configuration with CW rotation allows direct replacement of OEM starter motors, including 10478853, 1109635, 1109794, 1109832, 3603866RX.
Built with heavy-duty metal housing and internal lubrication, it withstands frequent starts, high-torque demands, and harsh conditions for consistent industrial and marine performance.
Comes with 18-month warranty for heavy-duty commercial use, including technical support, installation guidance, and spare parts availability.
Yes. Elecdurauto supports bulk orders, international shipping, and distributor partnerships across EU, Germany, South America, ensuring timely delivery and cost-effective fleet replacement solutions.
