Tier-1 engineering for Indian Railways.
A Part-1 Approved (Tier-1), RDSO-approved vendor supplying powertrain components, spares, seating and engineering services to Indian Railways' production units — since 1967.
Decades of proven railway engineering.
Established in 1967 in Kolkata, the EEE Group is a Part-1 Approved (Tier-1) vendor across every major locomotive production unit — an ISO 9001:2015-certified, MSME-registered unit manufacturing safety-critical components, powertrain spares and locomotive seating.
An in-house facility with CNC machining, gear-profile testing and semi-automated gear grinding anchors the railway vertical — trusted by India's largest transport network and its zonal railways.
Approved across India's rail production units.
Part-1 Approved (Tier-1) supplier to the country's principal locomotive and coach production units.
Gear Case Complete — 6FRA 6068 traction motor.
Supplied to Indian Railways for the WAG-9, WAG-9H and WAP-7 three-phase electric locomotives built at CLW. A precision-engineered, sealed oil-bath housing enclosing the traction gear transmission — machined to CLW drawings and RDSO specifications, inspected at source and delivered ready to fit.
A complete spares and assemblies programme.
Gears & Transmissions
Crank- and cam-shaft gears (split type), lube-oil and water-pump gears, extension-shaft gears and traction-motor pinions.
Engine & Pump Assemblies
Vibration-damper assemblies for crank and cam shafts, lube-oil pump assemblies, and impeller and follower assemblies.
Structural & Housing
Axle-box housings, turbo supports, fuel-oil headers, fan shafts and fan drives, and custom housings.
Fasteners & Connectors
Part-1 approved equaliser pins, axle collars, liner sleeves, spacers and couplings.
Driver & guard seats, built to Indian Railway specifications.
For over two decades a Part-1 Approved source for CLW, DLW, DLMW and ICF — revolving driver seats, EMU cab seats and guard seats across WAP, WAG, WDS, GM, DEMU, EMU and Metro platforms.
The Group's seating company, Ironthrone Engineering (est. 2025), delivers India's first indigenous premium operator seating — replacing imported seats on Vande Bharat and Amrit Bharat Express.
Modernisation, executed at fleet scale.
A trusted contractor for complex upgrade work orders across electric locomotives, EMU/MEMU coaches and AC rakes.
- 51 WAP-7 locomotives — hotel-load converters
- 1,329 compressor legs — modifications across the three-phase WAP-7 and WAG-9 fleets
- 35 electric locomotives — crew-friendly cab upgrades
- 100 EMU / MEMU motor coaches — transformer pipeline replacement
- 228 EMU motor coaches — air-dryer retrofits
- 08 complete AC rakes — beam-assembly fitment