Diesel Repair




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Heavy Construction/
Heavy Truck/
Agriculture Eq.

Lube Division

Compressor Repair

Engine Diesel Repair


Used Equipment

Used Parts

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Williams Mobile Mechanic, Inc. provides engine services for Diesel & Gasoline engine's in heavy construction equipment, automotive, RV, Industrial, Agriculture, and Generator Sets.

        Engine Swap on Woodmizer Saw                  Detroit 6-71 Install Engine

We Service all Brands as follows:



  • Caterpillar

  • John Deere

  • International

  • Yanmar

  • Cummins

  • Some Detroit

  • Perkins

  • Kubota

  • Isuza

  • Mitsubishi

  • Ford

  • Tecumseh

  • Kohler

  • Onan

  • Honda

  • Contenental

  • Briggs & Stratton

  • Ford

                                                                                  Cummins V-12 Run Overhead
  • We offer preventative maintenance programs for all equipment. This includes SOS oil sampling at scheduled intervals. (Please see lube division insert for more information.)

  • We offer complete engine rebuilds in frame or out of frame.

  • Our mechanics are knowledgeable in the repair and overhaul of all large and small components.

  • At Williams Mobile Mechanic, Inc. we are ready to serve you anytime and anywhere. You can bring your equipment to our shop or you can have one of our full service mechanic trucks come to your site.

  • Williams Mobile Mechanic, Inc. is helping equipment owners operate more profitably.

  • Williams Mobile Mechanic, Inc. carries commercial general liability and we provide workers compensation on all employees. If you need certificates of insurance, please call and we will have them sent to you as soon as possible.



Detroit 3-71 Resealing Front Cover
Cummins B-3.9L Remove and Install Cylinder Head

Caterpillar 3208-T


engine Swap

Detroit 6-71 Complete Engine Overhauls