Excavator Diesel Repair in San Antonio, TX
Call Today for Excavator Repair
When your excavator breaks down, productivity stops and projects fall behind schedule. Lone Star Diesel Solutions provides fast, professional excavator diesel repair in San Antonio, TX and across a 150-mile service area. Whether you’re running a CAT 320 on a road project in New Braunfels, a Komatsu PC210 on an oilfield site in Pleasanton, or a John Deere excavator trenching utilities near Schertz, our certified diesel mechanics come directly to your jobsite to keep your projects moving.
Mobile Diesel Repair for Excavators
Excavators are vital for digging, trenching, and site prep across South Texas. Instead of waiting on dealer service and losing valuable days, our mobile diesel mechanics bring certified excavator repair straight to your location.
We service all major makes and models of excavators, including:
Caterpillar (CAT 300 Series) – 320, 336, 349
Komatsu – PC138, PC210, PC360 models
John Deere – 130G, 210G, 350G
Case – CX210D, CX350D, CX490D
From mini excavators to large earthmovers, Lone Star Diesel Solutions provides mobile repair that minimizes downtime and maximizes productivity.
👉 We also provide excavator repair for farm & ranch operations and oilfield projects. Visit our [Farm & Ranch Equipment Repair] or [Oilfield Equipment Repair] pages to learn more.
Roadside & Jobsite Service Area Coverage
Construction equipment doesn’t stop for convenience — breakdowns happen in the mud, on the side of highways, and in tight subdivisions. Lone Star Diesel Solutions provides coverage for roadside and jobsite repairs across key South Texas corridors:
I-10 (expansion projects toward Boerne & Seguin)
I-35 (developments from New Braunfels to Laredo)
I-37 (oilfield and refinery access toward Corpus Christi)
Loop 410 & Hwy 281 for San Antonio city builds
FM roads supporting rural development and land clearing
From projects near the River Walk to subdivisions in Helotes or Converse, we respond fast to minimize downtime.
Common Excavator Repairs We Handle
Our mechanics are trained to service the critical systems that excavators rely on in tough South Texas conditions. We frequently handle:
Engine diagnostics & rebuilds (CAT, Komatsu, Deere, Case)
Hydraulic pump & cylinder repairs
Swing motor & travel motor troubleshooting
Electrical & sensor repairs
Cooling system repairs – radiators, hoses, fans
Fuel system repair – injectors, priming, fuel lines
Undercarriage service – tracks, rollers, idlers
DEF & emissions system issues
Whether it’s an excavator digging trenches in Castroville or a dozer grading pads in Pleasanton, we get the machine back to work fast.
We handle everything from excavator hydraulic system repairs to track and bucket replacements. Based near San Antonio, our mobile team also services backhoes, skid steers, and wheel loaders, ensuring your entire construction fleet stays job-ready.
Why Contractors Choose Lone Star Diesel Solutions
With decades of heavy equipment repair experience, contractors trust Lone Star Diesel Solutions to keep excavators moving.
Mobile mechanics who come directly to the jobsite
24/7 availability for emergency repairs
Faster turnaround than dealer shops
Cost savings by eliminating transport downtime
Trusted by contractors, developers, and utility companies
- Local knowledge of San Antonio and South Texas construction projects
When you call, you don’t get an answering service; you get a diesel mechanic who knows how to repair excavators under real jobsite conditions.
The Cost of Excavator Downtime
An excavator that’s out of service doesn’t just slow your crew — it can bring the entire project to a halt. Every day an excavator sits idle can cost $2,000–$4,000 in labor delays, penalties, and lost productivity. Our on-site repair service reduces downtime and keeps your deadlines on track.
Call for Immediate Service
(830)200-9855
Service Area
Lone Star Diesel Solutions proudly provides excavator repair in San Antonio and across a 150-mile radius, including:
Urban development zones: Downtown San Antonio, Alamo Heights, River Walk projects
Growing suburbs: Schertz, Universal City, Live Oak, Converse, Helotes, New Braunfels
South Texas towns: Pleasanton, Floresville, Jourdanton, Poteet, Lytle, Hondo
Rural and oilfield regions: Eagle Ford Shale, pipeline trenching sites, and utility projects across South Texas highways (I-10, I-35, I-37, Loop 410, Hwy 281)
Call Today for Mobile Excavator Repair
Don’t let a broken-down dozer derail your schedule. Call Lone Star Diesel Solutions at 830-200-9855 for fast, professional excavator diesel repair in San Antonio, TX and surrounding counties. Our mobile mechanics are available 24/7 to respond directly to your jobsite.
FAQ
What types of excavators do you repair?
We repair Caterpillar, Komatsu, John Deere, and Case excavators of all sizes, from compact minis to full-size machines.
Do you provide mobile excavator repair outside San Antonio?
Yes. We cover up to 150 miles, including Pleasanton, Floresville, and Eagle Ford Shale sites.
Can you repair hydraulic systems on excavators?
Absolutely. We handle hydraulic pump failures, cylinder leaks, and line replacements daily.
Do you service excavator undercarriages?
Yes. We provide track adjustments, roller replacements, and idler repairs to extend undercarriage life.
How quickly can you respond to a breakdown in San Antonio?
In most cases, we can have a mechanic on-site within 90 minutes for San Antonio projects.
How fast can you respond to a jobsite breakdown in San Antonio?
In most cases, we can be on-site in under 90 minutes within the San Antonio area. Rural service is always within our 150-mile radius.
Do you repair excavators used in oilfield or ranch work?
Yes. While this page focuses on construction, we also repair excavators used for pipeline trenching, oilfield pad building, and farm pond excavation.