DC Motor Repair and Rewinding
Specialised repair and rewinding of industrial DC motors up to 42 kW, including armature, main pole and interpole work and commutator repairs.
- Up to 42 kW
- Armature rewinding
- Commutator repairs

- Since 1978Ranchi, Jharkhand
- 45+ yearsof experience
- 10,000+equipment repaired
- ISO 9001:2015certified
- 65,000 sq ftworks area
What we do
- Armature rewinding
- Main pole and interpole coil rewinding
- Commutator repairs
- Machining on our lathes
- Testing before dispatch

How the work is done
Typical steps for a dc motors job at our works.
- 01
Inspection
Electrical tests on arrival to find the fault.
- 02
Dismantling
Armature, field poles and commutator are checked.
- 03
Rewinding
Armature, main pole and interpole windings are rewound as required.
- 04
Commutator work
Commutator repairs and machining.
- 05
Testing
Final electrical tests before dispatch.
Facilities used
Equipment at our 65,000 sq ft works in Ranchi used for this work.
| Equipment | Capacity / make |
|---|---|
| Centre lathe | Centre height 610 mm · bed length 24 ft |
| Dynamic balancing machine | 600 / 1500 RPM · 3 Tonnes |
| Drying oven | 40–200 °C · 3000 × 2500 × 1500 mm |
| 3-phase full-wave rectifier set | 0–600 V, 350 A |
| Surge comparison tester | Jabbals, 10 kV |
Industries served: Steel plants, mining, material handling and railways across Jharkhand and eastern India.
Questions about dc motors
What size DC motors do you repair?
Industrial DC motors up to 42 kW.
Do you rewind armatures?
Yes — armature rewinding, plus main pole and interpole coil rewinding.
Do you repair commutators?
Yes, commutator repairs are part of our DC motor service.
Need dc motors work?
Send us the equipment rating, make and the fault you see — we will get back to you with a plan and a quote.