From diesel engines and heavy equipment to industrial welding, in-shop fabrication, and custom metalwork. We handle a wide range of mechanical and welding work, both on-site and back at the shop.
All Services
From diesel diagnostics and heavy equipment repair to welding, in-shop fabrication, custom metalwork, and line boring. We do a lot more than most people expect. Browse everything below so you know exactly who to call.
We bring the welding equipment to you. Structural repairs, broken components, and on-site fabrication handled at your location without hauling anything to a shop.
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Excavators, dozers, loaders, graders. We repair heavy equipment on-site or back at the shop in Marshville, depending on what the job calls for. Either way, we get it running again.
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Structural steel, equipment frames, heavy weldments. We handle industrial welding projects in the shop and on-site, with the process and prep to back up every joint.
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Diesel engine diagnostics, repairs, and maintenance for trucks, construction equipment, and agricultural machinery. We come to you, or you can bring it to the shop - whichever works best.
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Worn pin bores do not always mean you need new parts. Line boring is done in-shop at our Marshville facility and can restore bores to factory spec, saving significant money over replacement parts.
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Custom brackets, guards, frames, repair plates, structural builds, and equipment component rebuilds. All done in the shop using proper equipment and materials built for your specific application.
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Equipment failure mid-job is a real problem. We respond to urgent repair situations as quickly as possible to get your operation back up and running.
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Custom steel work built in the shop - guards, brackets, wear plates, and one-off parts designed and fabricated to fit your exact application.
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Heavy plate work, skid frames, custom assemblies, and structural steel builds done in-shop. Proper fit-up, correct process, and welds that hold under real load.
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Bring your truck, equipment, or parts to the shop in Marshville for diesel repairs, line boring, fabrication, and welding - all under one roof with the right tools for the job.
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Equipment breakdowns don't wait for business hours. When something goes down unexpectedly, call Matt - we do our best to get to you as fast as possible. Downtime costs real money and we get that, so we make it a priority to respond fast.
Learn MoreWhy 704 Diesel
We show up, we get it done, and we make sure you know exactly what every service we offer can do for you.
No need to haul broken equipment anywhere. Matt brings the tools to your job site, shop, or yard and handles it on the spot.
Most shops only do one or the other. We cover diesel mechanic work, industrial welding, and metal fabrication - all from one crew.
Instead of buying expensive replacement parts, our line boring service can restore worn bores to factory spec at a fraction of the cost.
Based out of Marshville, NC, we regularly serve Union County, Mecklenburg County, Cabarrus County, Lancaster County SC, and more.
Equipment breakdowns do not run on a schedule. If you are stuck on a job site, call us - we will do our best to get out fast.
Since 2022 we have grown almost entirely through referrals. That does not happen unless the work speaks for itself.
Simple Process
No confusing estimates or surprise invoices. Here is what to expect when you reach out to 704 Diesel.
Reach out at (704) 291-0286 and describe what you are dealing with. Matt will ask a few questions to understand the job.
We give you a straight answer on pricing. No vague estimates - just an honest number based on what the job actually takes.
Matt rolls out to your location with everything needed to handle the job on-site. No towing, no hauling, no hassle.
We do not leave until it is fixed and you are satisfied. Equipment back in service, downtime kept to a minimum.
Got Questions?
Here are some of the things people ask us most. If you do not see your question here, just give us a call.
Ready to Roll?
Whether it is a diesel repair, a welding job, or something you are not even sure how to describe - give us a call and we will figure it out together.
Mon-Fri 7am-5pm • 50-mile radius from Marshville, NC