Transport Refrigeration Unit Repair
At J&A Fleet Maintenance & Repairs, we understand that hauling temperature-sensitive cargo means there’s no time to waste when your refrigeration unit breaks down. Our mobile technicians are available across Will & Grundy Counties in the Chicagoland area — serving fleets, owner-operators, and refrigerated trailers of all sizes.
Mobile Refrigerated Trailer Service
- On-site diagnosis & repair
- Carrier & Thermo King specialists
- Fleets & owner-operators
We come to you—yard, dock, or roadside—to keep your cold-chain operation rolling.
Why Your Reefer Unit Matters
Your refrigerated trailer’s unit isn’t just “extra equipment” — it’s the heartbeat of your cold-chain operation. When a unit fails, spoilage risks rise and downtime eats into profits.
With any hour of delay costing hundreds (or more) in lost productivity, you need a partner who can respond swiftly and fix reliably.
Protect your cargo, your customers, and your reputation:
- Reduce spoilage and rejected loads
- Minimize roadside breakdown time
- Keep delivery windows on schedule
- Extend the life of your refrigeration equipment
Call Us For Mobile Reefer Service
We Service All Major Reefer Units
Our team is fully equipped to repair and maintain units from the two industry leaders. Whether your trailer uses a diesel engine, plug-in electric standby, or a hybrid setup, we have the parts, training, and mobile-service capability to keep it running.
Carrier Transicold Models
- Supra
- Vector
- X4 series
- APX controls
Thermo King Units
- Precedent
- SB
- T-series models
Our Transport Refrigeration Services
From emergency roadside repairs to scheduled fleet maintenance, J&A Fleet Maintenance & Repairs.
It’s your single source for refrigerated trailer unit service.
Emergency Mobile Repairs:
Stranded on the road or at a dock? Our technicians will come to you and perform on-site diagnosis and repair.
Diesel Engine & Fuel System Repair:
From oil & filter changes to fuel line and starter issues — we handle the mechanical heart of your unit.
Cooling System Service:
Address refrigerant leaks, compressor failures, frozen evaporators, or blocked condensers — every part of your cooling circuit is covered.
Electrical & Control Diagnostics:
We read the fault codes, replace sensors, repair wiring harnesses, and restore Carrier APX or Thermo King systems to full function.
Electric Stand-by & Shore-Power Support:
If your unit switches to AC power while at the dock, we service the high-voltage components, relays, and motors.
Preventive Maintenance & Fleet Services:
Regular inspections, temperature testing, scheduled filter/engine service, and PM programs that reduce unplanned downtime.
Why Choose J&A for Your Reefer Unit?
- Real mobile service trucks stocked with parts so we can repair at your location rather than tow.
- Certified techs experienced with both Carrier Transicold & Thermo King units.
- 24/7 emergency availability—because cold freight doesn’t wait for business hours.
- Honest communication and high-quality parts—no unnecessary upsells, just real service.
- Proven service in Morris, Joliet, Wilmington, Gardner and surrounding Chicagoland markets.
Service Area
We proudly serve the Southland region of Chicagoland, including:
- Morris
- Gardner
- Channahon
- Joliet
- Wilmington
- and greater Will & Grundy Counties.
If your trailer is stuck, we’ll come to you.
Call us anytime at (815) 518-5252 to dispatch a mobile technician.
Don’t Let a Failed Unit Freeze Your Business
Schedule your repair or maintenance now.