Tacoma 253-922-8786
Seattle 253-838-3030
Toll Free 800-929-2335

About H&H Diesel Repair, Inc.


H&H Diesel, Inc. was started by two brothers Slade and Gary Holmes back in 1964. They opened the Milton truck service facility in 1968. Over the years Slade diversified into Fuel Injection service and Machine Shop services. He invested time and money to upgrade the company’s skills and equipment to keep atop a changing industry. In 2015, H&H Diesel was purchased by Gary Wolfe, General Manager and Sam Alejo, Service Manager and moved to it's new location in Fife, Washington.

H&H Diesel Repair Inc. currently has 17 employees. Working in two departments: Fuel Injection and Truck and Equipment Repair. Our Hours are Monday through Friday 8:00 am to 5:00 pm. We offer pick-up and delivery upon request in a defined radius of our facility (call with any questions). We also offer road service and advertise in NTTS break down directory. Our highly trained and experienced staff work hard at finding you solutions and sharing their knowledge. Call or come by and meet the staff.

At H&H Diesel, we are dedicated to providing quality parts, diesel injection service, and diesel truck repair in a manner that is consistent with modern techniques and practices while maintaining first rate service to our customers.


  • AERA Engine Builders Association
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