Fleet Maintenance & Commercial Truck Repair in Louisville | CAT, Detroit & Volvo
Preventive maintenance, diagnostics, and repair support for Louisville fleet operators and commercial trucks.
The Fleet Difference
Fleet service requires more than standard auto repair: heavier loads, tighter schedules, and compliance requirements.
| What Fleet Managers Get | What Consumer Shops Usually Don't Offer |
|---|---|
| Multi-vehicle scheduling | One car at a time |
| Per-VIN maintenance tracking | No record keeping |
| Priority bay access | First-come, first-served |
| DOT inspection readiness | No compliance awareness |
| Fleet billing and reporting | Single invoice per visit |
| Diagnostic-first approach (no guesswork) | Parts-changing until something sticks |
If you're searching for fleet maintenance near me in Louisville, choose a shop that manages the full fleet, not only today's repair.
Fleet Maintenance Programs
Your fleet depends on its maintenance schedule. We build programs around vehicle class, mileage, usage, and downtime goals.
Custom Program Design
Delivery vans, Ram 3500s, Volvo semi trucks, and CAT heavy equipment wear differently. We set intervals by vehicle type.
What's included in a typical fleet program:
- Scheduled preventive maintenance — Oil changes, fluid flushes, filters, belts, and hose inspections matched to usage cycles.
- Diagnostic monitoring — Electronic scans during preventive visits to catch sensor drift, transmission adaptation issues, and DPF ash load buildup early.
- Priority scheduling — Reserved bay time for fleet customers.
- Documented records per VIN — Oil intervals, DPF regeneration history, fluid condition logs, and inspection results for DOT review.
- Monthly fleet reports — Completed service, findings, and upcoming needs in one clear summary.
Who We Serve
Our fleet programs support delivery and logistics fleets, heavy-duty trucks, commercial semi trucks, construction equipment, government fleets, and municipal vehicles.
Common vehicles include Ford Transit, Ram ProMaster, Sprinter vans, Ram 3500, Ford F-450/F-550, GMC Sierra HD, Volvo VNL, Freightliner Cascadia, Kenworth T680, and CAT heavy equipment.
We build fleet programs for Louisville, Jefferson County, and Southern Indiana operators.
Preventive Maintenance Services
A fleet preventive maintenance program reduces emergency repairs, missed routes, and downtime. Every PM visit includes service and documentation.
Oil & Fluid Services
- Diesel oil changes — Full synthetic 5W-40 for Cummins and CAT diesels, Detroit Diesel Series 60/DD platform specs, and Volvo VDS-spec oil for Volvo trucks. We do NOT use bulk 15W-40 for everything.
- Transmission fluid service — Allison TES-295, Meritor, Eaton, and Aisin fluid specifications with filters and fluid exchange per OEM intervals.
- Coolant service — SCA-treated coolant, test strip analysis, flush, and fill per OEM schedule.
- Differential, gear oil, and hydraulic fluid — Correct specs for heavy-duty trucks and equipment hydraulic systems.
PM Inspections
Every PM visit checks fluids, belts, hoses, brakes, suspension, steering, tires, battery, charging system, DPF, DEF, emissions, and DOT readiness.
Seasonal Services
- Winterization — Anti-gel fuel treatment, battery health check, block heater inspection, and coolant freeze point testing
- AC service — Refrigerant recharge, compressor inspection, and condenser cleaning before summer
CAT & Caterpillar Diesel Repair
CAT diesel engines power trucks, heavy equipment, and industrial applications. We service CAT platforms with engine-specific diagnostics.
CAT Engine Platforms We Service
We service CAT C7 / C9, CAT C11 / C13 / C15 / C18, CAT 3126, and CAT C12 engines in trucks, buses, construction equipment, logging equipment, and mining machinery.
Common CAT Diesel Repairs
| Problem | Likely Cause | Our Approach |
|---|---|---|
| Hard start or no-start | HEUI injector, high-pressure oil pump, ICP sensor | Injector buzz test, oil pressure test, ICP voltage sweep |
| Loss of power under load | Turbo actuator, fuel pressure, air restriction | Charge air cooler test, actuator calibration, fuel restriction check |
| Excessive smoke | Injector leak, turbo seal, fuel contamination | Return flow test, boost vs commanded comparison |
| Check engine light (active codes) | Sensor drift, emissions failure | CAT ET scan, live data, TSB cross-reference |
| High oil consumption | Turbo seal, piston rings, air compressor leak | Turbo inspection, compression test |
CAT Heavy Equipment Service
We service CAT heavy equipment including wheel loaders, excavators, bulldozers, and backhoes. If you're searching for cat heavy equipment repair near me, we support yellow iron and on-road trucks.
Note: CAT heavy equipment service is performed at our Louisville shop. For on-site field service, please call us to discuss availability.
Detroit Diesel Repair
Detroit Diesel engines require platform-specific diagnostics. We diagnose fuel, emissions, turbo, coolant, and DDEC issues before quoting repairs.
Detroit Diesel Platforms We Service
We service Detroit Diesel Series 60, DD13, DD15, and DD16 engines in Freightliner, Western Star, International, Freightliner Cascadia, Western Star 4900, and severe-duty trucks.
Common Detroit Diesel Repairs
Series 60: EUI injector replacement, DDEC diagnostics for no-start, derate, communication faults, and turbocharger service.
DD13 / DD15 / DD16: DPF cleaning, DEF injector replacement, NOx sensor diagnosis, SCR testing, EGR service, P003A turbo actuator diagnostics, fuel system repair, and coolant loss testing.
If you're searching for detroit diesel repair near me, bring your trucks to Arian Auto Club Repair. We diagnose the root cause.
Volvo Truck Repair
Volvo trucks use complex engine, emissions, air, and I-Shift systems. We service Volvo VNL, VNR, VHD, and VAH platforms.
Volvo Engine Platforms We Service
We service Volvo D11, Volvo D13, and Volvo D16 engines, including VNL, VNR, VHD, and VNX models.
Common Volvo Truck Repairs
I-Shift Transmission: Shift quality issues, clutch actuator faults, gear position sensor failure, TCM codes, clutch monitoring, and calibration.
Volvo Emissions Systems: DEF dosing, clogged DEF injectors, NOx sensor cross-contamination, DPF soot monitoring, and cleaning.
Volvo Air System: Air dryer, air compressor, and air suspension leveling valve service.
If you're looking for volvo truck repair near me, trust Arian Auto Club Repair to keep Volvo trucks on the road.
Frequently Asked Questions
How do I know if my fleet needs a preventive maintenance program?
If you have three or more commercial vehicles, a structured maintenance program helps prevent driver-reported issues from becoming breakdowns. We review mileage, operating conditions, and service history to build the right schedule.
I have trucks with CAT, Detroit, and Volvo engines. Can one shop handle all of them?
Yes. We work on CAT C7/C9/C15, Detroit Diesel Series 60/DD13/DD15, and Volvo D11/D13/D16 platforms. One shop gives you one service history and one point of contact.
How do you handle warranty repairs or recalls on fleet vehicles?
We perform manufacturer-specified repairs using OEM parts and procedures. For out-of-warranty work, we provide OEM and quality aftermarket options with transparent pricing.
What DOT inspection services do you offer?
We inspect brakes, lights, tires, suspension, coupling devices, exhaust, and frame integrity. Inspections are documented per VIN for your records or DOT review.
How far in advance do I need to schedule fleet maintenance?
Standard PM can be scheduled 1-2 weeks out. Fleet program members get priority service windows, and emergency repairs are handled as bay capacity allows.
Do you offer after-hours or weekend service for fleet vehicles?
Yes, with advance notice. After-hours and weekend service windows are available for fleet customers on a case-by-case basis.
What does **commercial truck repair near me** actually cost in Louisville?
Contact us for current fleet diagnostic and labor rates.. Costs depend on engine platform, failure severity, and parts required. Every fleet job gets a written estimate before work begins.
I have Ford Transit vans and Ram 3500s — do you service light-duty fleet vehicles too?
Yes. We service light-duty vans, heavy-duty pickups, and semi trucks. Every vehicle is tracked per VIN in one system.