Designed for Caterpillar heavy machinery, the 50MT 24V Heavy-Duty Starter Motor delivers reliable power for D9N, D10, 3516 engines, and other CAT models. With 9 kW output and an 11-tooth gear, it ensures fast, consistent starts in demanding environments. Fully compatible with OEM references 10479342, DR10478859, this starter motor is ideal for distributors, service centers, and industrial fleet operators seeking a durable, high-performance replacement.
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 |
|---|---|---|
| Marine Engines | 1693 / 1693R RA | Caterpillar |
| Diesel Engines | 9L5417 / 9L2200 / 6V0514 / 3T8959 | Cummins |
| Trucks & Industrial Vehicles | Heavy-duty trucks and industrial machinery | Caterpillar / Cummins |
| Service & Maintenance Replacement | OEM replacement for starter motors 10478853, 1109635, 1109794, 1109832, 3603866RX | Caterpillar / Cummins |
| Heavy Machinery & Equipment | Construction, earthmoving, and industrial applications | Caterpillar / Cummins |
| Parameter | Specification |
|---|---|
| Starter Model | Caterpillar 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 |
| Teeth | 11 Teeth |
| Rotation | Clockwise (CW) |
| Mount Type | Standard Caterpillar 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 | 10479342, 3383456, 6V0889, DR10478859, DR10479144, DR8200480 |
| Compatible Equipment | Pipe Layer 589, 591, 594H, 583K; Track Tractors D10N, D10, D8L, D9L, D9N; Engines 3516, 3508, 3512; Trucks 777B, 776B |
| Typical Applications | Pipe Layers, Track Tractors, Crawler Tractors, Heavy Trucks, Industrial Engines |
| Application Category | Construction Machinery, Heavy-Duty Equipment, Road Building |
| 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 |
|---|---|---|
| Bosch | — | Bosch-based heavy-duty starter system compatibility |
| Caterpillar | 10479342 | Heavy-duty 24V starter motor for Caterpillar Pipe Layers, Track Tractors, Engines, and Trucks |
| Caterpillar | 3383456 | OEM starter motor for Caterpillar construction and earthmoving equipment |
| Caterpillar | 6V0889 | Direct replacement starter motor compatible with Caterpillar Pipe Layers and Crawler Tractors |
| Caterpillar | DR10478859 | OEM-interchangeable starter motor for Caterpillar engines and industrial machinery |
| Caterpillar | DR10479144 | Heavy-duty starter for Caterpillar trucks, engines, and tractors |
| Caterpillar | DR8200480 | Direct-fit replacement starter motor for Caterpillar heavy machinery |
| Other | DR10478961 | OEM-interchangeable starter motor reference for 24V Caterpillar 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
This heavy-duty starter motor fits a wide range of Caterpillar machinery, including Pipe Layers 589, 591, 594H, 583K; Track Tractors D10N, D10, D8L, D9L, D9N; Engines 3516, 3508, 3512; and Trucks 777B, 776B. It is ideal for construction, earthmoving, and road-building equipment.
The starter operates at 24V and delivers 9 kW high-torque output, ensuring reliable starts for heavy machinery in extreme working conditions.
Yes, it is fully compatible with Caterpillar OEM numbers 10479342, 3383456, 6V0889, DR10478859, DR10479144, DR8200480 and other OEM-interchangeable references, allowing seamless replacement for original starter motors.
It features a direct-drive, heavy-duty starter system with internal lubrication and clockwise rotation, designed for long-lasting performance in industrial and construction equipment.
Absolutely. With 24V compatibility, it is suitable for Caterpillar machinery across Europe, South America, North America, and Asia, meeting international B2B standards and operational requirements.
Regular inspection of electrical connections, cleaning of mounting surfaces, and ensuring proper lubrication during heavy-duty use is recommended. Proper maintenance ensures maximum lifespan and consistent starting performance.
This is a brand-new, OEM-interchangeable starter motor, manufactured under IATF 16949 and ISO 9001 certified processes, ensuring high quality and reliability for industrial applications.
It is widely used in construction, earthmoving, infrastructure projects, mining, and industrial equipment fleets, ideal for service centers, fleet operators, and heavy-duty machinery distributors.
Check the equipment model and year against the compatibility list (Pipe Layers, Track Tractors, Engines, Trucks) and verify OEM reference numbers. Our technical team can assist with confirmation for large-scale B2B orders.
The 50MT starter motor comes with 18 months warranty for heavy-duty commercial use. Elecdurauto provides global after-sales support, including replacement guidance, technical consultation, and bulk procurement assistance for B2B clients
