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Traction Motors

As it is proven historically, Locomotive Traction Motor Parts are the major contributors to maintenance expenses for railways and locomotive owners worldwide.

9 subcategories 700 parts in catalogue

As it is proven historically, Locomotive Traction Motor Parts are the major contributors to maintenance expenses for railways and locomotive owners worldwide. That is why locomotive traction motors are recognized as a never-ending nightmare among the railways and transportation industry. Getting over this significant issue demands high-quality products backed with extensive technical knowledge in the field.

Supco Canada specializes in the aftermarket supply of traction motor components for EMD® D-series and GE® 700-series locomotive platforms. Our inventory covers the structural and electrical parts that independent maintenance shops and railway operators need most — motor frames, axle housings, end housings (PE and C-type), commutators, brush rigging assemblies, armature components, field coils, and related hardware — all supplied to documented specifications.

Note: We recognize that a wide variety of locomotive traction motor parts is no longer fully supported by the OEM. Supco Canada supplies a wide range of aftermarket traction motor components manufactured with reference to OEM specifications, available for EMD® and GE® platforms.

What We Supply

Frame Fabrication
Motor frames machined to documented dimensional specifications, plus PE-type and C-type end housings and axle housing components.
Coil Manufacturing
Main and interpole coil supply with Silicone or Mica insulation technology for long service life.
Armature & Commutator
Armature laminations, coil supports, shafts, and commutators — individual components supplied to OEM specifications.
Assembly & Testing
Bearing components, brush rigging assemblies, and related hardware supplied and specified by engineers who know these platforms in detail.
ISO 9001:2015 · Certified QMS
Full quality traceability documentation with every shipment. View certification →
Compatible Models: EMD® D77B / D78B EMD® D78/D87 BTR EMD® D87 / D87B EMD® D90 EMD® D100 GE® 752 AG/AH GE® 761A Series

What We Manufacture

  • Fabrication of the Frame — Casting and complete CNC Machining
  • Manufacturing the Main and Interpole Coils with Silicone or Mica Technology
  • Manufacturing Armature Laminations, Coil Supports, Shafts, Commutators
  • Complete winding of the Armature
  • Manufacturing all traction motor bearing parts
  • Assembly and examination of Traction Motors to OEM Specifications
Traction motor frame — 1920×1080
Traction motor armature assembly
Traction motor installed on locomotive axle

Notable Locomotive Traction Motor Specifications

EMD® D77
Renowned traction motor from Electro-Motive Diesel.
Gear Ratio 58 : 19
Turns / Coil 16
Rated Voltage 550 V
Rated Current 1,065 A
EMD® D78
Similar to D77 with differently sized copper conductors for better heat dissipation.
Gear Ratio 58 : 19
Turns / Coil 16
Rated Power 700 HP
GE® 752
Manufactured by General Electric — widely used across GE C-series platforms.
Rated Power 750 HP @ 1,040 RPM
Rated Power 800 kW
Rated Voltage 750 V
Rated Current 1,150 A
EMD® D87
Available in D87 and D87BTR variants for high-horsepower EMD® platforms.
Gear Ratio 62 : 15
Rated Power 830 HP

Can't find the part you need?

We can source or manufacture virtually any traction motors component. Contact us with your OEM part number.