- 24/7 On-Site Truck, Trailer & Equipment Service Bethlehem, NJ
Mobile Diesel & Heavy Equipment Repair in Bethlehem, NJ
Need a diesel mechanic in Bethlehem, NJ?
KS Diesel On-Site Repair comes to you with fast, 24/7 mobile truck, trailer, and heavy equipment repair.
Whether you’re on Route 78, County Road 513, or a local job site, we fix it on the spot.
WHY CHOOSE KS DIESEL IN Bethlehem, NJ?
Get expert diesel repair in Bethlehem with zero shop delays. We bring the repair shop to you, fast and fully equipped.
100% ON-SITE REPAIRS
All repairs are done at your job site, roadside, or fleet yard. No towing. No downtime.
24/7 EMERGENCY SERVICE
Call anytime. We respond fast and work around your schedule.
1-YEAR WORKMANSHIP WARRANTY
Every job is backed by a full one-year guarantee.
HEAVY EQUIPMENT & TRUCK SPECIALISTS
We fix backhoes, loaders, trailers, and diesel trucks directly at your location.
ASE-CERTIFIED TECHNICIANS
Skilled, experienced, ASE-certified diesel mechanics handle every repair, guaranteed.
Our Services
Our Mobile Diesel & Equipment Repair Services in Bethlehem, NJ
At KS Diesel On-Site Repair, we don’t just fix trucks, we solve diesel problems on the spot, whether it’s a semi-truck on Route 31 or a loader on a Bethlehem excavation site.
Heavy Equipment Repair
Backhoes, skid steers, excavators, dozers, we repair them all. Construction downtime in Bethlehem is costly. We keep your heavy equipment running without hauling it offsite.
Mobile Truck Repair
From semi trucks and box trucks to reefers and service vehicles, we perform full-service repairs for diesel trucks throughout Bethlehem, including in-cab electronics, brakes, air leaks, and AC systems.
Roadside Assistance
Stuck on Pittstown Road or just outside Charlestown Road? Call us for mobile truck repair near Bethlehem. We'll be there fast with tools in hand.
Line Boring
We offer on-site line boring for heavy equipment, a service not every mobile mechanic can provide. Perfect for worn-out pivot points and frames on excavators and loaders.
Welding & Fabrication
Frame repairs, trailer hitches, cracked loader buckets, our mobile welding rig handles it all.
Hydraulic Hose Repair
Blown hose? We carry a full inventory of hydraulic hose assemblies and fittings. We’ll crimp and install hoses right at your Bethlehem site.
Diagnostics & Electrical Repair
We use advanced diagnostic tools to troubleshoot check engine lights, electrical shorts, fault codes, AC issues, and more.
PM Service (Preventative Maintenance)
Oil changes, filter replacements, brake inspections, all done onsite. Keep your equipment in top shape without the downtime.
Fleet Maintenance
Own a local fleet in Bethlehem? We offer scheduled maintenance and emergency diesel repair for multiple units at once, great for trucking companies, rental services, and municipalities.
24/7 Emergency Diesel Repair in Bethlehem, NJ
Breakdowns don’t wait. Whether you’re stranded off Route 78 at night or stuck on a muddy job site during the day, KS Diesel is on call. We handle:
- No-start issues in cold mornings
- Air brake leaks on trailers
- Overheating trucks on Route 31
- Hydraulic failure on backhoes in rural sites
- Electrical problems on fleets parked at local yards
Just call, and we’ll dispatch a mobile diesel mechanic near Bethlehem immediately.
TESTIMONIAL
Industries We Serve in Bethlehem, NJ
Bethlehem is filled with working diesel equipment, from farms to fleets. We serve:
- Construction crews on private sites and residential builds
- Local trucking fleets traveling through or based near Bethlehem
- Excavation contractors working farmland or development zones
- Municipal Fleets – public works, fire equipment, utility trucks
- Equipment rental companies with gear on-site in Bethlehem
Neighborhoods We Serve in Bethlehem, NJ
We serve every corner of Bethlehem, including:
- Charlestown
- Valley Station
- Mountain View Road
- Mine Road
- Hollow Brook Road
- Asbury-West Portal Road
- Iron Bridge Road
- Turkey Hill Road
- Staats Road
- Norton Church Road
Whether you’re near the Bethlehem Township Elementary School or deep in the agricultural zones near Charlestown Reserve, we’ll get there fast.
Request a Free Estimate
Fill out the form below and our mobile diesel mechanic will contact you ASAP. We serve Bethlehem Township 24/7.