Mobile Truck Repair
- Breakdowns fixed where they sit, no tow needed
- Brakes, wheel seals & bearings, suspension, steering
- Tire repair & replacement
- Engines, driveline, Eaton Fuller transmissions
- Fully equipped service truck
Trucks break.
We fix them.24/7 mobile truck & heavy equipment repair in Orange County, CA
A master diesel mechanic who drives to your breakdown — roadside, yard, or job site — in a fully equipped service truck.
24/7 Emergency
Orange County · Will Travel
San Onofre Red-Tag Rescue
Available now · 24/7 dispatch
Call(949) 254-4518 · fastest response
TextSend a photo of what broke
Emailresheavy@gmail.com · quotes & fleet service
Based in San Clemente, serving Orange County & surrounding areas. Will travel for the right job.
30+Years turning wrenches
Factory TrainedCaterpillar · Cummins · Isuzu
24/7Emergency dispatch
OC BasedWill travel for the right job
Red-Tagged?
How it works
San Onofre Inspection Facility rescue
Put out of service at the I-5 scales? Don't wait hours for a tow. RES Heavy comes to the inspection facility, makes the repair on site, and gets you released and rolling.
What we do
Mobile diesel repair services
If it's diesel, hydraulic, or electrical, on a truck, trailer, or piece of heavy equipment, it's what we do all day, every day.
Diagnostics & Electrical
- J1939 CAN communications troubleshooting
- Electrical diagnostics & wiring repair
- Sensors, harnesses & charging systems
Fleet & DOT / BIT
- DOT & BIT inspections, scheduled preventive maintenance
- 90-day & annual service intervals
- DOT & CHP BIT compliance inspections
- CHP compliance repairs, get back in service
- Fleet PM programs, any size, on your schedule
Who shows up
You're calling the mechanic,
You're calling the mechanic,
not a dispatcher
RES Heavy is Russell Schwartz, a master diesel technician with more than 30 years on trucks, diesel engines, and heavy equipment.
Factory trained by Caterpillar, Cummins, and Isuzu. Deep experience across Detroit Diesel, including the classic two-strokes, plus electrical diagnostics and hydraulics. Russ has owned and operated mobile repair businesses for decades, supporting Penske, South Coast Water District, commercial fleets, construction and utility equipment, and CHP compliance repairs.
When you call RES Heavy, the person who answers is the person who shows up, with the experience to diagnose it right the first time, and the truck to fix it on the spot. More about Russ and the credentials behind that.
- Master diesel technician, 30+ years
- Factory trained: Caterpillar · Cummins · Isuzu
- J1939 CAN & electrical diagnostics
- EPA Section 608 Universal & 609
- Commercial Driver License (CDL)
- Family owned & operated
From the field
Real truck & equipment repairs, not stock photos
Fluent in:
CaterpillarCumminsDetroit DieselIsuzuEaton FullerMeritor
Not urgent?
Send the details
Fleet quotes, scheduled maintenance, or anything that can wait a few hours. Broken down right now? Call (949) 254-4518 — a photo of the problem helps us show up with the right parts.