Locomotive Technology

Diesel-electric propulsion, traction control, braking systems, and locomotive remanufacturing.

Locomotive frame and undercarriage disassembled on shop stands during a rebuild

Locomotive Technology March 18, 2025

Locomotive Remanufacturing: How a 30-Year-Old Unit Gets a Second Service Life

What locomotive remanufacturing actually involves — from frame and truck rebuild to prime mover and traction system upgrades — and why it competes with new-unit …

Close-up of a locomotive traction motor and wheel assembly mounted on a rail truck

Locomotive Technology December 8, 2024

Diesel-Electric Traction Motor Maintenance: What Actually Wears Out and When

Traction motor failure modes in diesel-electric locomotives — brush wear, bearing life, insulation breakdown — and the inspection intervals that catch them …