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Who We Are

Our passion for all things diesel drives us.

865 Diesel is a family-owned & operated business that operates in Lenoir City, Tennessee! We strive to be an ethical, affordable, and quality service provider for the greater Lenoir City Area.

 

We provide the best Diesel Services and Custom Diesel Products in East Tennessee. Our top quality staff has a commitment to excellence along with making your repair process as easy and efficient as possible. 

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Meet The 865 Family

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Bill Horstman

Owner

Bill is a long-time local businessman with a passion for people - and vehicles! He graduated from the Edinboro University of Pennsylvania with an Associate’s Degree in Manufacturing Engineering. He & his long-time bride, Kelly, share 2 amazing children. Bill & his family relocated from PA to Knoxville, Tennessee in 1998, and they’ve been busy ever since! Bill has an extensive operating history in Finance, Real Estate, and Construction. When he’s not in the office, you can find him driving a sports car or hanging out with his family. 

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Chase Hortsman

Diesel Mechanic

A lifelong Knoxvillian, Chase graduated from Tennessee College of Applied Technology with a degree in Diesel Powered Equipment Technology. After graduation, Chase relocated to Midland, Texas to work with Schlumberger as a Diesel Mechanic. When the pandemic cut that journey short, Chase returned home to Knoxville with a goal in mind - to build and service passenger diesel vehicles with the utmost quality and respect in mind.

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Joshua Deshane

Shop Manager & Diesel Mechanic

Originally from Pennsylvania, Joshua graduated from Wyotech of Blairsville, PA with a degree in Automotive Technology with Light Duty Diesel. Joshua relocated to Tennessee to pursue & advance his learning & career in his field. Joshua has since earned many additional certifications such as ASE Automotive Master Certification, Ford Certification, Electrical System Specialist, Steering & Suspension Specialist, Manual Transmission & Drivetrain, and Brake Repair - just to name a few! 

 

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Mary Brogdon

Office Manager

Raised in middle Tennessee & Arkansas, Mary settled down in Lenoir City 23 years ago! She enjoyed 19 wonderful years as a stay-at-home mom with her 5 amazing kids that she shares with her husband. As her children grew, she decided to return back to the workforce in 2021. When she isn’t hard at work managing our office, she loves reading, crafting, sewing, and spending time with her husband and kids!

 

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