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Reliable Mobile Truck and Trailer Repair
Mechanicsburg, PA | Harrisburg, PA
Response Times Typically 50-90 Minutes
24/7 Availability
ASE-Certified Mechanics
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Professional Truck and Trailer Repair When You Need It Most
As a locally owned, family-operated business with more than 50 years of combined experience, we understand the urgency of mechanical failures. We typically arrive within 50 to 90 minutes, carry essential parts in inventory, and provide all quotes within twenty-four hours at fair, reasonable rates. Contact us today to request service.
Professional Truck and Trailer Repair When You Need It Most
Franks Mobile Repair delivers comprehensive truck and trailer repair services throughout Mechanicsburg, Harrisburg, and Central PA and surrounding areas. Our ASE-certified mechanics and certified DOT inspectors bring decades of combined experience directly to your location, minimizing downtime and keeping your fleet operational.
As a locally owned, family-operated business with more than 50 years of combined experience, we understand the urgency of mechanical failures. We typically arrive within 50 to 90 minutes, carry essential parts in inventory, and provide all quotes within twenty-four hours at fair, reasonable rates. Contact us today to request service.

Why Choose Us
Response Time Typically 50-90 minutes
ASE-Certified Mechanics
More Than 50 Years of Combined Experience
Quality Service at a Fair, Reasonable Rate
Certified DOT Inspectors
24/7 Availability
Why Choose Us
Response Time Typically 50-90 minutes
Quality Service at a Fair, Reasonable Rate
ASE-Certified Mechanics

Certified DOT Inspectors
More Than 50 Years of Combined Experience
24/7 Availability
DOT Inspection Services
Our certified DOT inspectors conduct thorough examinations to ensure that your vehicles meet all federal safety regulations and compliance standards.
General Diesel Truck Repair
Mobile Truck and Trailer Services
Preventive Maintenance
Roadside Assistance
RV Repair
Trailer Repair
Truck Parts
Welding and Fabrication
Here's what our satisfied customers are saying...
At Franks Mobile Repair, we take pride in providing exceptional mobile repair services to our customers. We would be grateful if you could share your thoughts about our services with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Franks Mobile Repair and let others know what you think.
Frequently Asked Questions
What specific on-site trailer repair services do you handle for commercial fleets?
When commercial cargo trailers experience sudden mechanical failures, our dedicated team responds directly to your staging yard, distribution terminal, or roadside location to quickly restore full functionality. We specialize in comprehensive trailer upkeep, addressing air line leaks, door latch failures, slider rail jams, roof punctures, landing gear binding, and axle issues on location. By delivering professional mobile truck and trailer repair in Mechanicsburg, PA, we ensure local logistics providers resolve equipment failures without towing trailers to a shop. Our service vehicles carry heavy-duty hardware and diagnostic gear, allowing us to perform structural welding, hub seal replacements, and suspension adjustments. Our mechanics work efficiently to get your dry vans, reefer units, or flatbeds back into revenue service promptly.
How do your technicians handle emergency air brake and mechanical diagnostics on the road?
Air brake malfunctions represent a critical safety hazard for heavy commercial vehicles operating along busy regional freight corridors. When a tractor-trailer experiences sudden air pressure loss, locked brake shoes, leaking glad hands, or compressor failures, our technicians perform pneumatic diagnostics right where the vehicle stops. Through our dedicated mobile truck and trailer repair in Mechanicsburg, PA, our team isolates air leaks, tests chamber pressure, adjusts slack adjusters, and replaces damaged lines on-site. We evaluate the entire brake network to ensure your equipment meets safety criteria before resuming travel. Beyond brake systems, our mobile diagnostic tools enable us to scan engine control modules and resolve drivetrain issues, keeping drivers safe while minimizing operational downtime.
Can your mobile units complete official DOT inspections directly at our lot or yard?
Yes, our certified inspectors conduct thorough Department of Transportation compliance inspections directly at your facility, fleet terminal, or staging lot. Bringing inspection capabilities directly to your location saves your company substantial time, eliminating the need to dispatch drivers and haul trailers to an off-site center. During each inspection, our team evaluates steering mechanisms, lighting networks, frame integrity, brake performance, tire tread depth, and fuel systems to ensure your equipment meets federal safety standards. As a primary provider of mobile truck and trailer repair in Mechanicsburg, PA, we do not simply identify safety violations; if an issue is discovered, our technicians perform immediate on-site repairs to bring the vehicle into full compliance, keeping your entire fleet legally compliant.
What major electrical and battery diagnostics can your team perform during a roadside dispatch?
Electrical failures can leave a commercial rig stranded, whether due to severe battery drain, alternator failure, corroded wiring, or blown fuses. Our mobile units arrive fully supplied with digital multimeters, diagnostic scanners, heavy-duty jump-starting equipment, and replacement wiring hardware. When fleet operators contact us for reliable mobile truck and trailer repair in Mechanicsburg, PA, our technicians immediately assess the charging system, trace voltage drops, inspect ground cables, and evaluate starter draw to pin down the root cause. We also repair trailer lighting circuits, tail light assemblies, marker harnesses, and ABS sensor lines that cause compliance failures. Our goal is to complete permanent electrical repairs at your vehicle's location so your engine cranks reliably and safety lighting illuminates properly.
Do you provide mobile welding and structural fabrication services for disabled rigs?
Structural damage to hitch assemblies, trailer frames, landing gear supports, or bumper guards can bring transport operations to an immediate standstill. Our service trucks are outfitted with industrial mobile welding units and metal fabrication tools, enabling our technicians to execute high-strength structural repairs wherever your equipment breaks down. By providing expert mobile truck and trailer repair in Mechanicsburg, PA, we handle high-stress steel and aluminum welding, frame crack reinforcement, hinge replacement, and crossmember repairs on-site. Rather than requiring specialized transport to a distant body shop, our mobile welding service addresses severe metal fatigue and impact damage at your terminal or on the shoulder. We focus on restoring structural integrity so your commercial vehicles can safely haul heavy payloads.
How does routine preventive maintenance on-location help reduce overall fleet operational costs?
Routine scheduled maintenance is the most effective defense against catastrophic mechanical failures, expensive towing services, and roadside breakdown delays. Our team customizes mobile preventive maintenance programs directly at your operating base, servicing your trucks and trailers during planned downtime or off-peak hours. Through our specialized mobile truck and trailer repair in Mechanicsburg, PA, we perform scheduled fluid changes, grease chassis points, check wheel seals, inspect belt tension, and adjust air brakes before minor issues turn into costly breakdowns. By bringing scheduled maintenance straight to your yard, we help fleet managers eliminate deadhead miles, save driver labor hours, and maintain delivery schedules.
What steps should drivers take while waiting for dispatch after experiencing a highway failure?
When a heavy commercial truck or trailer suffers a mechanical failure or tire blowout on a busy roadway, driver safety and hazard visibility are paramount. We advise drivers to maneuver the vehicle safely onto the right shoulder, activate hazard flashers immediately, and deploy reflective triangles or flares according to safety protocols. Once the scene is secure, contacting our dispatch team allows us to route our mobile unit immediately to your exact coordinates. As a dependable leader for mobile truck and trailer repair in Mechanicsburg, PA, our technicians maintain clear communication regarding arrival times while preparing necessary replacement parts prior to dispatch.






