Activity · September 3, 2026
Master class: motor and armature windings
Gabriel Vásquez, one of the workshop's most senior craftsmen, explained why a winding fails and what it takes to repair it. The talk was filmed and goes into the audiovisual library.

Gabriel Vásquez, one of Truck Energy's most senior craftsmen, gave a master class on motor and armature windings to workers from across the company. Half an hour to forty minutes, part theory and part practice.
The opening slide states the scope: an analysis of the causes of common failures and the full industrial repair and rewinding process. Not just how a winding is redone, but why it came to need it. That is the same reversal Confiabilidad 360° argues for: interpret first, repair second.
The talk is part of Preservando Identidad, the series the company opened with Luis Ormeño's class on D31 traction motor circuit analysis. The premise is easy to state and hard to run: the craftsmen with the most years on the shop floor telling everyone else how they work.
The series is built around three time frames:
- The past. Recovering what the most senior craftsmen know, knowledge built over years in the workshop that until now existed only in their heads and their hands.
- The present. Levelling up the people already working here, so that knowledge circulates while the person who holds it is still on the floor, not afterwards.
- The future. Turning the series into training material, with modules and a method, for the railway generations that have not arrived yet.
Every talk is filmed. One of the photographs shows the tripod at the back of the room, and that camera is half the point: what was said that afternoon goes into the audiovisual library the company is building, which is where this material stops depending on somebody remembering it.
A winding done well goes unnoticed: the motor runs again and nobody asks how. A trade passed on only by watching is lost the day the person who knows it retires. Recording it is the simplest way to keep that from happening.



