J4 Trailer Service Department
When you’re invested in keeping your trailer in great working order for years to come, you need knowledge and skill you can count on. Our technicians maintain and service trailers so you can get the most from your purchase.
Reliability is critical when there’s a job to do. Call us at (830) 997-9969 with service questions or to make an appointment.
Electrical
Basic maintenance and replacement on lights, wiring, and batteries. J4 is a proud dealer for Interstate batteries.
Flooring
Replacement flooring for open bed and livestock trailers with treated wood from Dittmar Lumber, life long Shelby flooring, or Blackwood Pro flooring.
Axle and Hydraulic Maintenance
Axle maintenance and repair, lubing and packing the bearings, greasing points, brake and hydraulic maintenance.
Upgrades
J4 installs toolboxes, E-track, expanded metal siding, hydraulic jacks, solar panels, winch, D-Rings, wheel and tire packages, and others.
Brands we service and install
Trailer Appraisals
As a licensed trailer dealer, J4 Trailer completes trailer appraisals for a fee of $25. Schedule an appointment below!
