Services
Commercial Diesel Repair & Maintenance Services
Grit Diesel Maintenance & Repair is a full-service shop for commercial trucks in Shepherdsville, KY — from routine diesel maintenance and truck diagnostics through heavy repair, tires, inspections, and after-hours mobile support.
Diagnostics
Truck Diagnostics — All Makes & Models
A commercial truck that won't say what's wrong costs money every hour it sits. Grit runs up-to-date diagnostics on all makes and models to identify the actual fault before parts start getting replaced on a hunch. Accurate diagnosis is the difference between one repair and three.
Compliance
California CARB Testing Site
Grit is a California CARB testing site — a capability most local shops don't offer. If your operation runs equipment that needs CARB testing, it can be handled here in Shepherdsville rather than becoming its own errand. Call the shop to discuss what your trucks need.
Compliance
Federal Annual Inspections
Federal annual inspections for commercial trucks, performed in the same shop that can correct whatever the inspection turns up. Schedule inspections alongside routine maintenance and keep the truck's downtime to one visit.
Emissions
DEF / DPF System Repair
Emissions systems take trucks off the road as reliably as engines do. Grit diagnoses and repairs DEF and DPF system problems — the warning lights, derates, and regen issues that modern diesel emissions equipment produces — and gets the truck back to full power.
Maintenance
Routine / General Maintenance
Preventative maintenance is the cheapest repair there is. Routine and general maintenance on commercial diesel equipment keeps trucks earning instead of waiting on parts, and gives small problems a chance to be found in the bay rather than on the shoulder.
Repair
Commercial Truck Brake Service & Repair
Brake service and repair for commercial trucks. Brakes are inspection items, safety items, and downtime items all at once — Grit services and repairs them so they're none of the above.
Repair
A/C Service & Repair
Cab air conditioning service and repair. A working A/C system isn't a luxury in a truck that's driven all day — it's part of keeping drivers in the seat.
Drivetrain
Clutch & Transmission Repair
Clutch and transmission repair for commercial trucks. Drivetrain problems rarely improve on their own — if a truck is getting hard to shift or the clutch is going soft, getting it in the bay early usually means a smaller repair.
Tires
New & Used Commercial Truck Tires Bridgestone + Michelin National Accounts
New and used tires for commercial trucks, with Bridgestone and Michelin national accounts. National account billing matters to fleets: if your operation runs on a Bridgestone or Michelin program, Grit can service it locally.
Alignment
Commercial Truck Alignments
Commercial truck alignments protect the money you just spent on tires. A truck that tracks straight wears rubber evenly, steers predictably, and burns less fuel fighting itself.
Heavy Equipment
Dump Truck Repair
Dump trucks earn by the load, and a truck sitting in the yard isn't earning. Grit services and repairs dump trucks alongside the rest of its commercial work, so hydraulic, drivetrain, brake, and engine issues get handled in one shop.
Heavy Equipment
Container Repair
Container repair for operations that move freight in and out of Shepherdsville. Damage that would otherwise pull a container out of service gets addressed so equipment stays in rotation.
Heavy Equipment
Chassis Repair
Chassis repair for commercial trucks and trailers. Frame, suspension, and running gear problems compound quickly under load — Grit repairs them before they turn into a roadside failure or a failed inspection.
Mobile Support
After-Hours Service Truck & 24-Hour Roadside Assistance
When the truck can't come to the shop, the service truck comes to it. After-hours mobile service and 24-hour roadside assistance are available for commercial trucks — see the roadside assistance page or call 502-308-0911.