We do it all – by specializing in repair, service and repowering of industrial equipment including mining, rail, power generation and on-highway powertrains. We are your single source to keep your business running.

Contact Us from the USA:
011 52 (333) 164-4168

Contact Us from Mexico: (333) 164-4168


Have a question? We'd love to help.
Feel free to email us at:


Monday - Friday
8:00 AM - 6:00 PM
Saturday & Sunday

Emergency After Hours, Contact Our 24/7 Line
(800) 999-0980

On-Site Amenities

  • Free Coffee
  • Free Wi-Fi

Payment Forms Accepted

  • Mastercard
  • Visa
  • American Express
  • Wire Transfers


Calzada Lazaro Cardenas # 1460 1470

Col. Alamo Industrial

Tlaquepaque, Jalisco C.P. 44490



We are relentlessly dedicated to helping our customers achieve maximum uptime. Our team works hard to create lifelong customer relationships. Our highly qualified and experienced on-site and remote technicians are trained to service your engine, which ensures your locomotive will pass government inspections and meet proper regulatory requirements. Our diversified locomotive services, include:

  • Complete OEM support
  • Integral engineering for new locomotive builds
  • Performance load (dynamometer and locomotive based) testing
  • Engine rebuilding
  • Control module programming and engineering support
  • Engine replacement
  • Assistance with traction motor specification
  • Complete mtu EUI/MUI diesel engine qualification, remanufacturing, reconfiguration, and repair
  • Federal Railroad Administration (FRA) inspections
  • Maintain OEM standards
We proudly work on the following engines [<em><strong>mtu</strong></em> and Cummins].
Our world-class facilities in Mexico will keep your locomotives rolling along.


All day. Every day. and under extreme conditions. Your business is 24/7 and so is our service. Equipment of this magnitude can’t afford down time. When it comes to mining operations, time is money. The last thing you need is to have a machine go down. That’s where we come in. We provide solutions for all off-highway above and below ground applications, backed by <em><strong>mtu’</strong></em> s diesel engine capabilities. We offer a wide array of expertise for on-site support from diagnosis and repair to training. Our technicians are friendly, knowledgeable and available 24/7.

All field technicians MSHA compliant.


We have the products and service capabilities to help you extend the life of your transmission, maximize your uptime, and experience optimal performance – all to help you deliver on time, on budget and on expectations.

  • Diagnostics
  • Engine Overhaul
  • Repairs
  • Replacements
  • Remanufactures
  • Maintenance


At W.W. Williams de Mexico we believe the success of properly maintaining emergency equipment like generators, relies on a proper Preventative Maintenance plan. Our sales staff is trained to follow manufacturer recommended intervals, industry standards, and site-specific requirements to build a plan which meets our customer’s needs. By having a regularly scheduled, preventative maintenance plan, we are able to reduce the possibility of costly downtime for our customers. W.W. Williams de Mexico can provide single or multiyear agreements to meet our customer’s requirements, please see the contact page at the bottom to request a free quote from our team.

  • Preventative Maintenance Programs
  • 24/7/365 Emergency Response Service
  • Load Bank Testing
  • Transfer Switch Testing
  • Fuel, Oil, and Coolant Analysis
  • Power Analysis
  • Total System Commissioning
  • Complete Engine Overhaul or Replacement
  • Replacement Parts
  • Engine Repower Options Available


Our training center offers OEM learning opportunities to ensure maximum learning potential for service professionals. We offer an extensive list of instructor-led training courses, including:

  • Product knowledge
  • Preventative Maintenance
  • Basic diagnostic information for the most popular Allison transmissions
  • Basic operating theory
  • Torque converter theory of operation
  • J1939 troubleshooting
  • Service problems

We Represent the Following Brands:

Support When and Where You Need It

Our technicians are both certified and factory-trained to be your trusted supplier of innovative power solutions. We are a certified distributor of mtu products - world class equipment trusted by industry’s top names in the world’s toughest climates.

Standby Generators & Accessories

Portable Generators, Distribution Equipment & Load Banks

Microgrid & Hybrid Solutions

Power Generation Applications

Continuous Power & Cogeneration (CHP)

Questions? Give Us A Call 011 52 (333) 164-4168


Founded in 1912 in Columbus, Ohio, as a family-owned business, W.W. Williams has evolved into one of the nation’s most diversified aftermarket parts and service providers to the commercial vehicle and equipment markets. The company represents major original equipment manufacturers (OEMs) and provides a full range of industry-leading products, parts and services focused on keeping customers’ vehicles and equipment in operation and minimizing downtime. The company operates in over 50 locations throughout the U.S. and Mexico and employees over 1,250 employees.