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Traction Motors
Armature Coils
Field Coils
Winding Kits
Traction Motor Cable Kits
Armature Coil

RPI manufactures the following EMD* armature coils utilizing the most current insulation systems:

D29, D31, D87, D100


*“EMD” and “Electro-Motive” are trade designations of Electro-Motive Diesel, Inc. RPI is not an authorized EMD distributor and is not otherwise associated or affiliated with EMD. RPI does represent that its replacement parts, components, subsystems and services are compatible with and usable on EMD locomotives and engines.
1.1.2014 - RPI Expands Traction Motor Cable Offering
RPI a long standing manufacturer of EMD compatible cables expands into GE cables.
1.1.2014 - RPI Now Managing GlasMex/Hesgon
RPI shifts strategic position to directly manage GlasMex/Hesgon tape and coil manufacturing plant.
1.1.2014 - RPI to Build New AR10's
Building the classic AR10 design generator with CA5 companion alternator.