Powering Progress: Unotech’s Electrical Locomotive Components Redefine Reliability
Trusted Across Railways. Engineered for the Future.
In a high-demand industry where downtime means disruption, Unotech Engineering LLP delivers what Indian and global railways need most: precision-crafted electrical locomotive components built for longevity, safety, and performance. Whether you’re maintaining a diesel fleet or upgrading electric locomotive infrastructure, Unotech’s comprehensive catalog of electrical locomotive spare parts is engineered to deliver maximum uptime and operational integrity.
🔧 Locomotive Electrical Components That Keep Trains Moving
At the heart of every reliable railway operation lies a robust electrical backbone. Unotech’s product line includes OEM-equivalent and custom-engineered components for EMD, GE, and ALCO locomotives, serving Indian Railways, metro networks, and international operators alike.
✅ Our Electrical Locomotive Offerings:
- Fuel Pump Motors & Inverters – High-performance DC to AC systems for EMD and ALCO engines.
- Turbo Lube Oil Soak Back Pumps – Ensuring optimal engine lubrication under all conditions.
- Contactor Assemblies – Starting, auxiliary, generator field and decay contactors built for 74V DC systems.
- Speed & Temperature Sensors – Radar, hall-effect, and traction motor sensors with high accuracy and vibration resistance.
- Ground Relays & Field Current Relays – For fail-safe control cabinet systems in diesel electric locomotives.
- General Purpose Relays – Available in 2, 3, and 4 pole options to suit multiple engine types.
- Rectifier & Exciter Assemblies – Custom-built for AR10, AR12, TA17 alternator systems.
- Circuit Modules (DVR, PSM, FCF, FCD) – Power control, signal conversion, and diagnostics integrated with EM2000 platforms.
- Transformers & Transducers – High-voltage current sensors and signal isolators for traction and control accuracy.
Each part undergoes rigorous testing to ensure thermal stability, vibration resistance, and electrical safety compliance, meeting or exceeding DLW, CLW, and IEC standards.
🚆 Why Rail Operators Choose Unotech
Unotech’s electrical locomotive solutions aren’t just spare parts—they’re lifelines for railway uptime.
- 🏭 In-House Manufacturing Partner + Reverse Engineering
Total control over design, prototyping, and quality assurance. - 🔁 Direct OEM Replacements & Custom Builds
Replace obsolete or failed parts with reliable, longer-lasting alternatives. - 📦 Ready Inventory & Fast Turnaround
Large stock volumes ensure minimum lead times, even for exports. - 🌍 Global Reach, Local Reliability
Serving Indian Railways, Bangladesh Railways, and private rail operators across Australia, Europe, USA, and Africa.
📈 Boosting Efficiency. Reducing Downtime.
With over two decades of industrial know-how, Unotech Engineering continues to support locomotive modernization through modular retrofits and intelligent replacements. Our offerings cater to:
- Diesel Electric Locomotives (EMD, GE, ALCO)
- Electric Locomotives (WAP-5, WAP-7, WAG-9)
- Metro & EMU Coaches
- Industrial Rail Systems
Each product is backed by expert technical guidance, documentation, and, where required, field integration support.
What are the key electrical components used in locomotives?
Locomotive electrical systems use fuel pump motors, inverters, speed sensors, traction motor relays, rectifiers, and control modules like DVR and PSM. These parts ensure power conversion, engine lubrication, control signaling, and system protection.
📞 Let’s Talk Tech.
Whether you’re sourcing a locomotive inverter, replacing a traction motor sensor, or revamping your control panel, Unotech is your reliable partner for high-quality, Indian-made electrical locomotive parts.
