Diesel Truck Repair & 24/7 Roadside Assistance in Shepherdsville, KY
Driven to keep you on the road.
Grit Diesel Maintenance & Repair is a full-service commercial diesel shop: diagnostics for all makes and models, routine maintenance, brakes, tires, alignments, federal annual inspections, DEF/DPF repair, dump truck repair, container, and chassis work. When a truck goes down after hours, the service truck rolls.
- All Makes & Models
- California CARB Testing Site
- Federal Annual Inspections
- Bridgestone + Michelin National Accounts
What We Do
Full-Service Commercial Diesel Repair
Find It Fast. Pass It Clean.
Up-to-date diagnostics for all makes and models means less guesswork and less time in the bay. Grit is also a California CARB testing site and performs federal annual inspections and DEF/DPF system repair, so compliance work and emissions problems get handled in the same shop that fixes the truck.
- Up-to-date diagnostics, all makes & models
- California CARB testing site
- Federal annual inspections
- DEF / DPF system repair
Fix It Right. Keep It Running.
Routine and general maintenance keeps commercial equipment working and cuts down on unplanned downtime. When something does fail, Grit handles the heavy repairs in-house: brakes, A/C, clutches, transmissions, dump truck repair, container, and chassis work.
- Routine / general maintenance
- Commercial truck brake service & repair
- A/C service & repair
- Clutch & transmission repair
- Dump truck repair
- Container repair
- Chassis repair
Rubber, Set Straight.
New and used commercial truck tires, backed by Bridgestone and Michelin national accounts, plus commercial truck alignments to keep tires wearing evenly and trucks tracking true.
- New & used tires
- Bridgestone national accounts
- Michelin national accounts
- Commercial truck alignments
When the Truck Can't Come to Us.
An after-hours service truck and 24-hour roadside assistance for commercial trucks that break down where they are. One call gets Grit moving.
- After-hours service truck
- 24-hour roadside assistance
24-Hour Roadside Assistance
Broke Down? Grit Doesn't Clock Out.
24-hour roadside assistance is available for commercial trucks. Skip the form — when a truck is down, the fastest way to get help moving is the phone.
About Grit
Keep you working.
Keep you moving.
Grit Diesel Maintenance & Repair is a full-service shop built around dependable repairs, quality workmanship, and honest service. The goal is simple: diagnose it straight, fix it right, and get the truck back to work.
Full Service. Full Time. Fully Committed.

Fleets & Commercial Operators
Built for Trucks That Have Somewhere to Be
Owner-operators, trucking companies, fleet managers, and any business that depends on working trucks: downtime costs money, and every service Grit offers is aimed at reducing it.
- Routine maintenance that catches problems before the road does
- Diagnostics for all makes and models
- Federal annual inspections and CARB testing in one shop
- Tires and alignments, with Bridgestone and Michelin national accounts
- Heavy repair: brakes, clutches, transmissions, DEF/DPF, A/C
- After-hours service truck and 24-hour roadside assistance
One shop, direct communication, and a number that answers. That's the relationship.

Location
Commercial Diesel Repair in Shepherdsville, Kentucky
The shop is located on E Blue Lick Rd in Shepherdsville, serving commercial trucks from Shepherdsville and the surrounding areas.
Grit Diesel Maintenance & Repair LLC1800 E Blue Lick Rd
Shepherdsville, KY 40165
Shop: 502-365-2233 ext 8 · 502-909-4810
Hours: Monday – Friday, 6:30 AM – 6:00 PM