EMD & ALCo Locomotive Engines - Complete Supply & Drive Systems

Narayan Marine Tech Pvt Ltd supplies complete EMD 710 engines (8, 12, 16 & 20 cylinder) and high-quality ALCo engine variants plus genuine and aftermarket spares. We deliver traction motors, alternators and full drive systems developed for 4,500 HP diesel locomotives - engineered and packaged for OEMs, workshops and integrators across the Middle East, Europe, America and Africa.

Complete EMD 710 line: 8 / 12 / 16 / 20 cylinder configs — long-blocks, short-blocks and remanufactured options.

Comprehensive spares:Turbochargers, crankshafts, piston & liners, bearings, fuel pumps, governor parts, filters and more.

4500 HP drive systems: Traction motors, traction alternators, traction converters, battery chargers and control systems designed for 4500 HP diesel locomotives.

Logistics & compliance: Export packaging, customs documentation, CE/ISO support on request and door-to-project shipping.

Technical Product Details

Below are the typical configurations and technical components we supply. For project-specific specifications (e.g., bespoke gear ratios, interface harnesses or civil integration), contact our sales team with the Reference NMTPL/ZC/123456.

EMD 710 Engine Family (supply scope)

Model

EMD 710 8-cylinder:V8 configuration - suitable for lower-power shunting or auxiliary applications.

EMD 710 12-cylinder:Balanced performance for medium-power locomotives and generators.

EMD 710 16-cylinder:Common for mainline freight and passenger locomotives-high torque and reliability.

EMD 710 20-cylinder:Highest power variant for demanding heavy-haul operations.

Traction & Drive Systems (for 4500 HP platforms)

Traction Motor:Axle-mounted traction motors rated for heavy-haul; compatible with AC/DC architectures as per customer specification.

Traction Alternator:Designed to match prime mover output—suitable for 4500 HP diesel locomotive installations.

Traction Converters / Inverters: Power electronics for AC traction systems — modular, water-cooled options available.

Battery Charger:High-reliability battery charging units with intelligent charge management for onboard auxiliary systems.

Control System:Vehicle control units, PLC/embedded panels, and interfaces for driver desk integration; CANbus, Ethernet & serial interfaces available.

Engine Components & Spares

- Turbochargers (OEM & reman options)

- Crankshafts-short/long

- Pistons & liners

- Main & connecting rod bearings

- Fuel injection pumps & nozzles

- Camshafts, tappets, and governors

- Filters, gaskets, seals and service kits

System Integration & Services

- Full drive system design and FAT (Factory Acceptance Test)

- On-site commissioning support and field service

- Retrofit and upgrade packages for existing 4500 HP platforms

- Spare parts kits and long-term spares contracts

Applications & Industries

Freight Locomotives

Heavy-haul & bulk freight operators requiring rugged prime movers and proven drive systems.

Passenger Locomotives

Reliable powerplants for regional and long-distance passenger services.

Industrial & Marine Power

Switching, port shunters, and generator sets where compact high-power units are needed.