The Viswa Advantage
We help rail operators and depots extend the life of key components and ensure safety through regular oil and grease testing.
We Serve:
At The Viswa Group, we provide comprehensive testing and diagnostics to keep rail and bus fleets operating safely, reliably, and cost-effectively. Our services cover critical components, support systems, and infrastructure assets across both modes of transport.

Freight and Commuter
Rail Systems

Light Rail Transit
Authorities

Bus Fleet
Key Assets Monitored
- Traction Motors
- Wheel Bearings
- Gearboxes
- Engines

Rolling Stock & Fleet Power Systems
- Traction Motors (Rail & Bus Electric Drives): Insulation breakdown detection, lubricant contamination monitoring, and wear particle analysis.
- Engines (Diesel & Hybrid – Rail & Bus): Oil analysis for fuel dilution, soot, wear metals, and coolant leaks.
- Gearboxes & Final Drives : Gear tooth wear, bearing degradation, and lubrication monitoring.
- Wheel Bearings : Grease analysis to detect early wear, contamination, and improper lubrication.
Auxiliary & Support Systems
- Braking Systems :- Hydraulic fluid quality testing, water contamination checks, and wear debris analysis.
- Cooling Systems :- Coolant chemistry monitoring for pH balance, corrosion prevention, and liner pitting protection.
- Hydraulic Systems :– Fluid testing for contamination, water ingress, and additive depletion.
- Compressed Air Systems :– Moisture and oil carryover checks to ensure pneumatic reliability.


Infrastructure & Facility Assets
- Track & Roadway Maintenance Equipment :– Engine, hydraulic, and drivetrain analysis for tampers, grinders, ballast regulators, and road support vehicles.
- Station, Depot & Bus Yard Generators :– Oil and coolant monitoring for backup and standby power systems.
- Material Handling Equipment :– Analysis for cranes, lifts, and hoists used in rail yards and bus depots.
- Environmental & Safety Systems :– DEF fluid testing, fuel storage quality monitoring, and fire suppression media analysis.
How We Support You

Oil Analysis Testing Services
Our oil testing identifies wear metals…

Fuel Testing Services
Fuel analysis ensures your diesel fuel meets 

Coolant Analysis Services
Coolant testing detects pH shifts, corrosion…

Grease Analysis Services
Grease analysis reveals early wear, contamination… 


