Heavy equipment Repairs
We provide expert Diagnostics,
repair, and maintenance for a wide range of heavy equipment, including excavators, bulldozers, loaders, and cranes. Our Advanced Diagnostic tools and mobile service help quickly identify and resolve issues, Minimizing downtime on your job site
Big Rig Truck Repair
We offer comprehensive big rig truck and trailer services, specializing in advanced diagnostics and malfunction indicator lamp (MIL) troubleshooting. Our experienced technicians use the latest diagnostic tools to identify and resolve issues quickly and accurately. We also handle routine maintenance, including oil changes, filter replacements, and brake services. Our expertise ensures your fleet and trailers stay compliant, reliable, and efficient on the road.
Tractor & Farm Equipment Repair
We offer mobile diagnostics and repair for a variety of farm
equipment, including tractors and other agricultural machinery.
Whether you need help with basic maintenance or troubleshooting
common issues like engine starting problems or hydraulic system failures, we’re committed to providing reliable service to keep your equipment running in the field.
We use dealer-compatible diagnostic software to ensure accurate and efficient repairs.
Advanced Diagnostics – Dealer-Level, On-Site
We offer mobile diagnostics and repair for a variety of farm
equipment, including tractors and other agricultural machinery.
Whether you need help with basic maintenance or troubleshooting
common issues like engine starting problems or hydraulic system failures, we’re committed to providing reliable service to keep your equipment running in the field.
We use dealer-compatible diagnostic software to ensure accurate and efficient repairs.
Who We Are
Your Trusted Partner in Construction Services
At OnSite Diesel Solutions, LLC, we are dedicated to providing top-tier mobile diesel mechanic services throughout Loma Rica, CA, and
surrounding communities including Marysville, Yuba City, Plumas Lake, Bangor, Linda, and Olivehurst. Our team specializes in dealership-
level diagnostics and repairs for off- road heavy equipment, big rigs, agricultural machinery, and more. Using advanced tools and software,
we accurately identify issues and deliver expert repairs right where you need them—whether on your job site or farm.
We understand that downtime can be costly, so we bring our services directly to you, saving you time and hassle. Plus, with our convenient online booking and payment system, scheduling service has never been easier.
At OnSite Diesel Solutions, we’re committed to keeping your equipment running smoothly and
efficiently, wherever you are.
5+
YEARS
Professional Experience
Pricing & Service Approach
No Travel Fees. No Overtime Charges. No Weekend Markups.
Tired of being hit with surprise fees just because your equipment breaks down off-hours or a mechanic has to drive a bit farther? We keep it simple and fair: one flat hourly rate, at your location within our service area. No extra charges for travel, no inflated weekend or overtime rates-just honest, transparent pricing and expert mobile diesel service when you need it.
Diagnostic & First Hour Fee
Our service begins with a comprehensive dealer-level diagnostic scan and a detailed report for your equipment or vehicle.
First Hour (includes diagnostic scan & report): $180 (minimum charge)
Ongoing Labor Rates
If additional diagnostic time or repairs are needed after the first hour, our rates are:
$95–$125 per hour (rate depends on location and job complexity; we’ll always confirm before starting)
Flat-Rate Services
We offer transparent, flat-rate pricing for common maintenance and repairs, including:
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Oil Change
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Brake Service
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Inspections
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Preventive Maintenance
Self-Help Option
Once diagnostics are complete, we provide a clear report with part numbers and step-by-step recommendations. Want to do the repairs yourself? No problem-we’ll give you the exact information you need to fix it right the first time, saving you from unnecessary “parts swapping” and wasted expenses.
Why Choose Our Diagnostic Approach?
Many shops and mechanics guess at the problem, leading to repeated, costly part replacements (“parts swapping”). Our dealer-level diagnostics pinpoint the real issue, so you only repair what’s actually needed-saving you time and money.
Ready to schedule service or need a quote?
Contact us today for fast, accurate diagnostics and honest, expert advice.
Testimonials
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Client's Reviews
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Testimonials
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Client's Reviews
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Our Hours
Mon, Tues: 8:00 am-5:00 pm
Wens: Closed
Thur, Fri: 8:00 am-5:00 pm
Sun: Closed