We pride ourselves on delivering exceptional customer service and professional work. Our commitment to you is to get the job done right and get you up and running, as quickly and safely as possible. Our knowledgeable associates are ready to address your off highway engine and equipment needs.

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
(333) 164-4168

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:

  • Locomotive engine’s service both on site and remotely
  • Performance load (dynamometer and locomotive based) testing
  • Engine repowering
  • Locomotive repowering from Direct current power plant to Altern current power plant through mtu rail technology
  • Engineering consultation
We proudly work on <em>mtu</em> engines.
Our world-class facilities in Mexico will keep your locomotives rolling along.


Our training center offers Allison Transmission 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

On and Off Highway Allison Support

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



At W.W. Williams 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 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

Other Services By W.W. Williams

Our W.W. Williams Truck Shops deliver exceptional customer service and professional work. Our certified technicians are committed to getting the job done right and getting your vehicle back on the road.

  • Truck & Vehicle Repair & Service
  • Truck Parts