High-Performance Cooling Solutions for Diesel-Electric Locomotives & DEMUs
SAINI Electrical is a trusted manufacturer of grid blowers and radiator cooling fans for diesel-electric locomotives and DEMU rail systems. Our fan systems are designed to handle the demanding thermal and environmental conditions of modern railway operations.
Each unit is built to customer-specific requirements and engineered to deliver efficient heat dissipation, stable airflow, and long-term reliability—even in extreme temperatures and vibration-prone rail environments.
We Offer:
- Grid Blowers – Engineered for dynamic braking systems, our grid blowers deliver consistent and controlled airflow for resistor grid cooling in diesel-electric locomotives.
- Radiator Cooling Fans – Designed to manage engine heat loads, these railway radiator fans are optimized for high CFM output with low noise and vibration during continuous operation.
Both product types are available in various configurations, motor ratings, and sizes up to 54+ inches, offering flexibility for new builds and retrofits.
Technical Specifications
| Specification | Details |
| Vehicle Type | Diesel-Electric Locomotive / DEMU |
| Ambient Conditions | -50°C to +90°C |
| Power Output | 0 to 100+ HP |
All components are rigorously tested for durability, temperature resistance, and aerodynamic efficiency, ensuring consistent performance in harsh railway environments.
Applications
SAINI’s radiator fans and grid blowers are used in:
- Diesel-Electric Locomotive Cooling Systems
- DEMU Engine Radiator Units
- Braking Grid Cooling Applications
- Engine Compartment Ventilation
- Power Electronics Thermal Management
Why Choose SAINI Fan Systems?
- Built for Rail-Specific Thermal Demands
- Custom Sizes, Mountings & Speeds Available
- High-Efficiency Airflow with Low Power Consumption
- Suitable for Harsh Environmental and Mechanical Stress
- ISO and Rail Industry Compliant Designs
- Trusted by Rail OEMs Across India and Beyond
As a leading radiator fan and grid blower manufacturer for railway vehicles, SAINI combines innovation, engineering excellence, and decades of rail industry experience to deliver unmatched cooling solutions.
Need a Custom Grid Blower or Radiator Fan?
If you need a custom fan system for cooling traction engines, power grids, or engine bays, our engineering team can deliver tailored solutions that match your exact technical requirements.






