Locomotive Components ...

           engineering power system component solutions ...


IRG Power Systems
2121 Walton Road
St. Louis, Missouri 63114

Tel: (314) 726-5990
Fax: (314) 726-5850

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Sitio En Espanol


Equipment Applications

Generator Components
Motor Components
Locomotive Components
Transformer Components
Switchgear Components
Cutout & Fuse Components

Our Products

OEM Components
Electrical Insulation Material
Copper Alloy Strip & Coil
Zinc Alloy Strip & Coil
Aluminum Bronze Castings
Custom Machined Parts
Custom Production Equip.


Our Services

Procurement Services
Engineering Services
Financing Services


IRG Power Systems

Our History
Our Locations


Our Group 

IRG Power Systems
The Gund Company
MM&M Electrical
Nohl Composites
Nohl Fabrication
TGC West
TGC Jiaxing
Clarence Machine
JMC Products





IRG specializes in the manufacture and supply of locomotive components for maintenance and repair facilities. If you can supply us with the part number, an actual part, or a part drawing, and quantity, we can provide a complete quotation including lead-time and pricing. Please complete our quote request form.  In cases where the part number is not known, we can identify the part from a sample.  In many cases, we can also provide some detail and assembly drawings based on reverse engineering for parts that are no longer supported by the OEM.

The following represents a partial listing of the types of components commonly supplied by IRG.  Please send us your exact requirements.

If you know the part number, email or fax your requirement to IRG now ...



Traction Motor Gear Cases Traction Motor Support Bearings
Traction Motor Axle Dust Guards Traction Motor Insulation Kits 
Alternator Insulation Kits Alternator Pole Collars
Generator Insulation Kits Dynamic Braking Resistors
Box Grid Resistors (Electro-Motive Diesel, Inc. Style) Radial Grid Resistors (Electro-Motive Diesel, Inc. Style)
Dash 7 Grid Resistors (GE Style) Dash 8 Grid Resistors (GE Style)
Carbon Brushes Engine Valves
Circuit Breakers Filters
Contactors, Contacts, & Kits Electrical Switches
Locomotive Cables, Leads, & Wire Snubbers
Brake Shoes & Air Brake Parts Commutators
Thyristors, SCRs & Rectifiers Springs
Pinions and Gears Brushholders
Pistons & Piston Rings Power Packs
Cylinder Heads & Cylinder Liners Crankshafts & Camshafts
Connecting Rods & Wrist Pins Fuses & Switchgear
Oil Coolers & Radiators Fuel Injectors & Parts
Gaskets & Seals Bearings & Bearing Housings
Hoses & Couplings Headlight & Lamp Bulbs
Valves, Guides, & Inserts Turbochargers & Parts

<< MORE >>

Piston Components
OEM spare parts for Electro-Motive Diesel, Inc. and GE units...

Rectifier Components
IRG supplies rectifiers and rectifier parts...

Parts for Traction
Motor Repair
Complete repair kits for traction motor repair...

OEM Spare Parts
IRG supplies a complete line of OEM spare parts...